Commit Graph

22502 Commits

Author SHA1 Message Date
Peng Fan
f98c2dfedb arm64: dts: imx8m: align anatop with bindings
The CCM ANALOG module is used for generate PLLs, align the node
with DT bindings

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-24 09:03:14 +08:00
Marcel Ziswiler
8fb7256af8 arm64: dts: verdin-imx8mm: improve pcie node
Slight improvement of pcie node to be more in-line with what we add on
the Verdin iMX8M Plus.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-23 21:10:49 +08:00
Marcel Ziswiler
909c3951af arm64: dts: verdin-imx8mm: verdin-imx8mp: rename sn65dsi83 to sn65dsi84
Rename sn65dsi83 to sn65dsi84 as that is the exact chip used on the
Verdin DSI to LVDS Adapter.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-23 21:10:05 +08:00
Marcel Ziswiler
c579c24d4a arm64: dts: colibri-imx8x: improve include notation
Improve include notation. Usually only dtsi files from the same location
are included with an absolute path in quotes. Others should use a
relative path enclosed in angle brackets.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-23 21:09:22 +08:00
Marcel Ziswiler
94bbd9d3f5 arm64: dts: verdin-imx8mm: verdin-imx8mp: improve include notation
Improve include notation. Usually only dtsi files from the same location
are included with an absolute path in quotes. Others should use a
relative path enclosed in angle brackets.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-23 21:08:50 +08:00
Sascha Hauer
c47d7b73c7 arm64: dts: freescale: Add InnoComm i.MX8MM based WB15 SoM and EVK
Add the InnoComm i.MX8MM based WB15 SoM and its EVK. The WB15 is a
half credit card sized board featuring:

- i.MX8MM CPU
- LPDDR4, 1GiB
- eMMC, 8GiB
- 1Gb Ethernet RGMII interface
- WiFi 802.11 a/b/g/n/ac, Bluetooth 4.2

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-23 20:55:17 +08:00
Tim Harvey
19d0fc9e97 arm64: dts: imx8m*-venice: add I2C GPIO bus recovery support
Add I2C GPIO bus recovery support by adding scl-gpios and sda-gpios for the
various I2C busses on Gateworks Venice boards.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-23 20:42:28 +08:00
Alexander Stein
3fff54653a arm64: dts: tqma8mq-mba8mx: Add vcc supply to i2c eeproms
Fixes the warnings:
at24 0-0053: supply vcc not found, using dummy regulator
at24 0-0057: supply vcc not found, using dummy regulator
at24 1-0057: supply vcc not found, using dummy regulator

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-23 20:21:19 +08:00
Alexander Stein
ca69b6c78d arm64: dts: tqma8mpql: add support for 2nd USB (host) interface
The on-board USB hub has a single reset line which needs to be enabled.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-10-23 17:10:40 +08:00
Linus Torvalds
f1947d7c8a Random number generator fixes for Linux 6.1-rc1.
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Merge tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random

Pull more random number generator updates from Jason Donenfeld:
 "This time with some large scale treewide cleanups.

  The intent of this pull is to clean up the way callers fetch random
  integers. The current rules for doing this right are:

   - If you want a secure or an insecure random u64, use get_random_u64()

   - If you want a secure or an insecure random u32, use get_random_u32()

     The old function prandom_u32() has been deprecated for a while
     now and is just a wrapper around get_random_u32(). Same for
     get_random_int().

   - If you want a secure or an insecure random u16, use get_random_u16()

   - If you want a secure or an insecure random u8, use get_random_u8()

   - If you want secure or insecure random bytes, use get_random_bytes().

     The old function prandom_bytes() has been deprecated for a while
     now and has long been a wrapper around get_random_bytes()

   - If you want a non-uniform random u32, u16, or u8 bounded by a
     certain open interval maximum, use prandom_u32_max()

     I say "non-uniform", because it doesn't do any rejection sampling
     or divisions. Hence, it stays within the prandom_*() namespace, not
     the get_random_*() namespace.

     I'm currently investigating a "uniform" function for 6.2. We'll see
     what comes of that.

  By applying these rules uniformly, we get several benefits:

   - By using prandom_u32_max() with an upper-bound that the compiler
     can prove at compile-time is ≤65536 or ≤256, internally
     get_random_u16() or get_random_u8() is used, which wastes fewer
     batched random bytes, and hence has higher throughput.

   - By using prandom_u32_max() instead of %, when the upper-bound is
     not a constant, division is still avoided, because
     prandom_u32_max() uses a faster multiplication-based trick instead.

   - By using get_random_u16() or get_random_u8() in cases where the
     return value is intended to indeed be a u16 or a u8, we waste fewer
     batched random bytes, and hence have higher throughput.

  This series was originally done by hand while I was on an airplane
  without Internet. Later, Kees and I worked on retroactively figuring
  out what could be done with Coccinelle and what had to be done
  manually, and then we split things up based on that.

  So while this touches a lot of files, the actual amount of code that's
  hand fiddled is comfortably small"

* tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
  prandom: remove unused functions
  treewide: use get_random_bytes() when possible
  treewide: use get_random_u32() when possible
  treewide: use get_random_{u8,u16}() when possible, part 2
  treewide: use get_random_{u8,u16}() when possible, part 1
  treewide: use prandom_u32_max() when possible, part 2
  treewide: use prandom_u32_max() when possible, part 1
2022-10-16 15:27:07 -07:00
Linus Torvalds
1df046ab1c arm64 fixes:
- Cortex-A55 errata workaround (repeat TLBI).
 
 - AMPERE1 added to the Spectre-BHB affected list.
 
 - MTE fix to avoid setting PG_mte_tagged if no tags have been touched on
   a page.
 
 - Fixed typo in the SCTLR_EL1.SPINTMASK bit naming (the commit log has
   other typos).
 
 - perf: return value check in ali_drw_pmu_probe(),
   ALIBABA_UNCORE_DRW_PMU dependency on ACPI.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Cortex-A55 errata workaround (repeat TLBI)

 - AMPERE1 added to the Spectre-BHB affected list

 - MTE fix to avoid setting PG_mte_tagged if no tags have been touched
   on a page

 - Fixed typo in the SCTLR_EL1.SPINTMASK bit naming (the commit log has
   other typos)

 - perf: return value check in ali_drw_pmu_probe(),
   ALIBABA_UNCORE_DRW_PMU dependency on ACPI

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: Add AMPERE1 to the Spectre-BHB affected list
  arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored
  MAINTAINERS: rectify file entry in ALIBABA PMU DRIVER
  drivers/perf: ALIBABA_UNCORE_DRW_PMU should depend on ACPI
  drivers/perf: fix return value check in ali_drw_pmu_probe()
  arm64: errata: Add Cortex-A55 to the repeat tlbi list
  arm64/sysreg: Fix typo in SCTR_EL1.SPINTMASK
2022-10-14 12:38:03 -07:00
Linus Torvalds
676cb49573 - hfs and hfsplus kmap API modernization from Fabio Francesco
- Valentin Schneider makes crash-kexec work properly when invoked from
   an NMI-time panic.
 
 - ntfs bugfixes from Hawkins Jiawei
 
 - Jiebin Sun improves IPC msg scalability by replacing atomic_t's with
   percpu counters.
 
 - nilfs2 cleanups from Minghao Chi
 
 - lots of other single patches all over the tree!
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Merge tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull non-MM updates from Andrew Morton:

 - hfs and hfsplus kmap API modernization (Fabio Francesco)

 - make crash-kexec work properly when invoked from an NMI-time panic
   (Valentin Schneider)

 - ntfs bugfixes (Hawkins Jiawei)

 - improve IPC msg scalability by replacing atomic_t's with percpu
   counters (Jiebin Sun)

 - nilfs2 cleanups (Minghao Chi)

 - lots of other single patches all over the tree!

* tag 'mm-nonmm-stable-2022-10-11' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (71 commits)
  include/linux/entry-common.h: remove has_signal comment of arch_do_signal_or_restart() prototype
  proc: test how it holds up with mapping'less process
  mailmap: update Frank Rowand email address
  ia64: mca: use strscpy() is more robust and safer
  init/Kconfig: fix unmet direct dependencies
  ia64: update config files
  nilfs2: replace WARN_ONs by nilfs_error for checkpoint acquisition failure
  fork: remove duplicate included header files
  init/main.c: remove unnecessary (void*) conversions
  proc: mark more files as permanent
  nilfs2: remove the unneeded result variable
  nilfs2: delete unnecessary checks before brelse()
  checkpatch: warn for non-standard fixes tag style
  usr/gen_init_cpio.c: remove unnecessary -1 values from int file
  ipc/msg: mitigate the lock contention with percpu counter
  percpu: add percpu_counter_add_local and percpu_counter_sub_local
  fs/ocfs2: fix repeated words in comments
  relay: use kvcalloc to alloc page array in relay_alloc_page_array
  proc: make config PROC_CHILDREN depend on PROC_FS
  fs: uninline inode_maybe_inc_iversion()
  ...
2022-10-12 11:00:22 -07:00
D Scott Phillips
0e5d5ae837 arm64: Add AMPERE1 to the Spectre-BHB affected list
Per AmpereOne erratum AC03_CPU_12, "Branch history may allow control of
speculative execution across software contexts," the AMPERE1 core needs the
bhb clearing loop to mitigate Spectre-BHB, with a loop iteration count of
11.

Signed-off-by: D Scott Phillips <scott@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20221011022140.432370-1-scott@os.amperecomputing.com
Reviewed-by: James Morse <james.morse@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-10-12 17:36:06 +01:00
Catalin Marinas
a8e5e5146a arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored
Prior to commit 69e3b846d8 ("arm64: mte: Sync tags for pages where PTE
is untagged"), mte_sync_tags() was only called for pte_tagged() entries
(those mapped with PROT_MTE). Therefore mte_sync_tags() could safely use
test_and_set_bit(PG_mte_tagged, &page->flags) without inadvertently
setting PG_mte_tagged on an untagged page.

The above commit was required as guests may enable MTE without any
control at the stage 2 mapping, nor a PROT_MTE mapping in the VMM.
However, the side-effect was that any page with a PTE that looked like
swap (or migration) was getting PG_mte_tagged set automatically. A
subsequent page copy (e.g. migration) copied the tags to the destination
page even if the tags were owned by KASAN.

This issue was masked by the page_kasan_tag_reset() call introduced in
commit e5b8d92189 ("arm64: mte: reset the page tag in page->flags").
When this commit was reverted (20794545c1), KASAN started reporting
access faults because the overriding tags in a page did not match the
original page->flags (with CONFIG_KASAN_HW_TAGS=y):

  BUG: KASAN: invalid-access in copy_page+0x10/0xd0 arch/arm64/lib/copy_page.S:26
  Read at addr f5ff000017f2e000 by task syz-executor.1/2218
  Pointer tag: [f5], memory tag: [f2]

Move the PG_mte_tagged bit setting from mte_sync_tags() to the actual
place where tags are cleared (mte_sync_page_tags()) or restored
(mte_restore_tags()).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: syzbot+c2c79c6d6eddc5262b77@syzkaller.appspotmail.com
Fixes: 69e3b846d8 ("arm64: mte: Sync tags for pages where PTE is untagged")
Cc: <stable@vger.kernel.org> # 5.14.x
Cc: Steven Price <steven.price@arm.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/0000000000004387dc05e5888ae5@google.com/
Reviewed-by: Steven Price <steven.price@arm.com>
Link: https://lore.kernel.org/r/20221006163354.3194102-1-catalin.marinas@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-10-12 10:00:19 +01:00
Linus Torvalds
f311d498be ARM:
* Fixes for single-stepping in the presence of an async
   exception as well as the preservation of PSTATE.SS
 
 * Better handling of AArch32 ID registers on AArch64-only
   systems
 
 * Fixes for the dirty-ring API, allowing it to work on
   architectures with relaxed memory ordering
 
 * Advertise the new kvmarm mailing list
 
 * Various minor cleanups and spelling fixes
 
 RISC-V:
 
 * Improved instruction encoding infrastructure for
   instructions not yet supported by binutils
 
 * Svinval support for both KVM Host and KVM Guest
 
 * Zihintpause support for KVM Guest
 
 * Zicbom support for KVM Guest
 
 * Record number of signal exits as a VCPU stat
 
 * Use generic guest entry infrastructure
 
 x86:
 
 * Misc PMU fixes and cleanups.
 
 * selftests: fixes for Hyper-V hypercall
 
 * selftests: fix nx_huge_pages_test on TDP-disabled hosts
 
 * selftests: cleanups for fix_hypercall_test
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull more kvm updates from Paolo Bonzini:
 "The main batch of ARM + RISC-V changes, and a few fixes and cleanups
  for x86 (PMU virtualization and selftests).

  ARM:

   - Fixes for single-stepping in the presence of an async exception as
     well as the preservation of PSTATE.SS

   - Better handling of AArch32 ID registers on AArch64-only systems

   - Fixes for the dirty-ring API, allowing it to work on architectures
     with relaxed memory ordering

   - Advertise the new kvmarm mailing list

   - Various minor cleanups and spelling fixes

  RISC-V:

   - Improved instruction encoding infrastructure for instructions not
     yet supported by binutils

   - Svinval support for both KVM Host and KVM Guest

   - Zihintpause support for KVM Guest

   - Zicbom support for KVM Guest

   - Record number of signal exits as a VCPU stat

   - Use generic guest entry infrastructure

  x86:

   - Misc PMU fixes and cleanups.

   - selftests: fixes for Hyper-V hypercall

   - selftests: fix nx_huge_pages_test on TDP-disabled hosts

   - selftests: cleanups for fix_hypercall_test"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (57 commits)
  riscv: select HAVE_POSIX_CPU_TIMERS_TASK_WORK
  RISC-V: KVM: Use generic guest entry infrastructure
  RISC-V: KVM: Record number of signal exits as a vCPU stat
  RISC-V: KVM: add __init annotation to riscv_kvm_init()
  RISC-V: KVM: Expose Zicbom to the guest
  RISC-V: KVM: Provide UAPI for Zicbom block size
  RISC-V: KVM: Make ISA ext mappings explicit
  RISC-V: KVM: Allow Guest use Zihintpause extension
  RISC-V: KVM: Allow Guest use Svinval extension
  RISC-V: KVM: Use Svinval for local TLB maintenance when available
  RISC-V: Probe Svinval extension form ISA string
  RISC-V: KVM: Change the SBI specification version to v1.0
  riscv: KVM: Apply insn-def to hlv encodings
  riscv: KVM: Apply insn-def to hfence encodings
  riscv: Introduce support for defining instructions
  riscv: Add X register names to gpr-nums
  KVM: arm64: Advertise new kvmarm mailing list
  kvm: vmx: keep constant definition format consistent
  kvm: mmu: fix typos in struct kvm_arch
  KVM: selftests: Fix nx_huge_pages_test on TDP-disabled hosts
  ...
2022-10-11 20:07:44 -07:00
Jason A. Donenfeld
7e3cf0843f treewide: use get_random_{u8,u16}() when possible, part 1
Rather than truncate a 32-bit value to a 16-bit value or an 8-bit value,
simply use the get_random_{u8,u16}() functions, which are faster than
wasting the additional bytes from a 32-bit value. This was done
mechanically with this coccinelle script:

@@
expression E;
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
typedef u16;
typedef __be16;
typedef __le16;
typedef u8;
@@
(
- (get_random_u32() & 0xffff)
+ get_random_u16()
|
- (get_random_u32() & 0xff)
+ get_random_u8()
|
- (get_random_u32() % 65536)
+ get_random_u16()
|
- (get_random_u32() % 256)
+ get_random_u8()
|
- (get_random_u32() >> 16)
+ get_random_u16()
|
- (get_random_u32() >> 24)
+ get_random_u8()
|
- (u16)get_random_u32()
+ get_random_u16()
|
- (u8)get_random_u32()
+ get_random_u8()
|
- (__be16)get_random_u32()
+ (__be16)get_random_u16()
|
- (__le16)get_random_u32()
+ (__le16)get_random_u16()
|
- prandom_u32_max(65536)
+ get_random_u16()
|
- prandom_u32_max(256)
+ get_random_u8()
|
- E->inet_id = get_random_u32()
+ E->inet_id = get_random_u16()
)

@@
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
typedef u16;
identifier v;
@@
- u16 v = get_random_u32();
+ u16 v = get_random_u16();

@@
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
typedef u8;
identifier v;
@@
- u8 v = get_random_u32();
+ u8 v = get_random_u8();

@@
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
typedef u16;
u16 v;
@@
-  v = get_random_u32();
+  v = get_random_u16();

@@
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
typedef u8;
u8 v;
@@
-  v = get_random_u32();
+  v = get_random_u8();

// Find a potential literal
@literal_mask@
expression LITERAL;
type T;
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
position p;
@@

        ((T)get_random_u32()@p & (LITERAL))

// Examine limits
@script:python add_one@
literal << literal_mask.LITERAL;
RESULT;
@@

value = None
if literal.startswith('0x'):
        value = int(literal, 16)
elif literal[0] in '123456789':
        value = int(literal, 10)
if value is None:
        print("I don't know how to handle %s" % (literal))
        cocci.include_match(False)
elif value < 256:
        coccinelle.RESULT = cocci.make_ident("get_random_u8")
elif value < 65536:
        coccinelle.RESULT = cocci.make_ident("get_random_u16")
else:
        print("Skipping large mask of %s" % (literal))
        cocci.include_match(False)

// Replace the literal mask with the calculated result.
@plus_one@
expression literal_mask.LITERAL;
position literal_mask.p;
identifier add_one.RESULT;
identifier FUNC;
@@

-       (FUNC()@p & (LITERAL))
+       (RESULT() & LITERAL)

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk> # for sch_cake
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-10-11 17:42:58 -06:00
Jason A. Donenfeld
81895a65ec treewide: use prandom_u32_max() when possible, part 1
Rather than incurring a division or requesting too many random bytes for
the given range, use the prandom_u32_max() function, which only takes
the minimum required bytes from the RNG and avoids divisions. This was
done mechanically with this coccinelle script:

@basic@
expression E;
type T;
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
typedef u64;
@@
(
- ((T)get_random_u32() % (E))
+ prandom_u32_max(E)
|
- ((T)get_random_u32() & ((E) - 1))
+ prandom_u32_max(E * XXX_MAKE_SURE_E_IS_POW2)
|
- ((u64)(E) * get_random_u32() >> 32)
+ prandom_u32_max(E)
|
- ((T)get_random_u32() & ~PAGE_MASK)
+ prandom_u32_max(PAGE_SIZE)
)

@multi_line@
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
identifier RAND;
expression E;
@@

-       RAND = get_random_u32();
        ... when != RAND
-       RAND %= (E);
+       RAND = prandom_u32_max(E);

// Find a potential literal
@literal_mask@
expression LITERAL;
type T;
identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32";
position p;
@@

        ((T)get_random_u32()@p & (LITERAL))

// Add one to the literal.
@script:python add_one@
literal << literal_mask.LITERAL;
RESULT;
@@

value = None
if literal.startswith('0x'):
        value = int(literal, 16)
elif literal[0] in '123456789':
        value = int(literal, 10)
if value is None:
        print("I don't know how to handle %s" % (literal))
        cocci.include_match(False)
elif value == 2**32 - 1 or value == 2**31 - 1 or value == 2**24 - 1 or value == 2**16 - 1 or value == 2**8 - 1:
        print("Skipping 0x%x for cleanup elsewhere" % (value))
        cocci.include_match(False)
elif value & (value + 1) != 0:
        print("Skipping 0x%x because it's not a power of two minus one" % (value))
        cocci.include_match(False)
elif literal.startswith('0x'):
        coccinelle.RESULT = cocci.make_expr("0x%x" % (value + 1))
else:
        coccinelle.RESULT = cocci.make_expr("%d" % (value + 1))

// Replace the literal mask with the calculated result.
@plus_one@
expression literal_mask.LITERAL;
position literal_mask.p;
expression add_one.RESULT;
identifier FUNC;
@@

-       (FUNC()@p & (LITERAL))
+       prandom_u32_max(RESULT)

@collapse_ret@
type T;
identifier VAR;
expression E;
@@

 {
-       T VAR;
-       VAR = (E);
-       return VAR;
+       return E;
 }

@drop_var@
type T;
identifier VAR;
@@

 {
-       T VAR;
        ... when != VAR
 }

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: KP Singh <kpsingh@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz> # for ext4 and sbitmap
Reviewed-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com> # for drbd
Acked-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Heiko Carstens <hca@linux.ibm.com> # for s390
Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for mmc
Acked-by: Darrick J. Wong <djwong@kernel.org> # for xfs
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2022-10-11 17:42:55 -06:00
Linus Torvalds
27bc50fc90 - Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
linux-next for a couple of months without, to my knowledge, any negative
   reports (or any positive ones, come to that).
 
 - Also the Maple Tree from Liam R.  Howlett.  An overlapping range-based
   tree for vmas.  It it apparently slight more efficient in its own right,
   but is mainly targeted at enabling work to reduce mmap_lock contention.
 
   Liam has identified a number of other tree users in the kernel which
   could be beneficially onverted to mapletrees.
 
   Yu Zhao has identified a hard-to-hit but "easy to fix" lockdep splat
   (https://lkml.kernel.org/r/CAOUHufZabH85CeUN-MEMgL8gJGzJEWUrkiM58JkTbBhh-jew0Q@mail.gmail.com).
   This has yet to be addressed due to Liam's unfortunately timed
   vacation.  He is now back and we'll get this fixed up.
 
 - Dmitry Vyukov introduces KMSAN: the Kernel Memory Sanitizer.  It uses
   clang-generated instrumentation to detect used-unintialized bugs down to
   the single bit level.
 
   KMSAN keeps finding bugs.  New ones, as well as the legacy ones.
 
 - Yang Shi adds a userspace mechanism (madvise) to induce a collapse of
   memory into THPs.
 
 - Zach O'Keefe has expanded Yang Shi's madvise(MADV_COLLAPSE) to support
   file/shmem-backed pages.
 
 - userfaultfd updates from Axel Rasmussen
 
 - zsmalloc cleanups from Alexey Romanov
 
 - cleanups from Miaohe Lin: vmscan, hugetlb_cgroup, hugetlb and memory-failure
 
 - Huang Ying adds enhancements to NUMA balancing memory tiering mode's
   page promotion, with a new way of detecting hot pages.
 
 - memcg updates from Shakeel Butt: charging optimizations and reduced
   memory consumption.
 
 - memcg cleanups from Kairui Song.
 
 - memcg fixes and cleanups from Johannes Weiner.
 
 - Vishal Moola provides more folio conversions
 
 - Zhang Yi removed ll_rw_block() :(
 
 - migration enhancements from Peter Xu
 
 - migration error-path bugfixes from Huang Ying
 
 - Aneesh Kumar added ability for a device driver to alter the memory
   tiering promotion paths.  For optimizations by PMEM drivers, DRM
   drivers, etc.
 
 - vma merging improvements from Jakub Matěn.
 
 - NUMA hinting cleanups from David Hildenbrand.
 
 - xu xin added aditional userspace visibility into KSM merging activity.
 
 - THP & KSM code consolidation from Qi Zheng.
 
 - more folio work from Matthew Wilcox.
 
 - KASAN updates from Andrey Konovalov.
 
 - DAMON cleanups from Kaixu Xia.
 
 - DAMON work from SeongJae Park: fixes, cleanups.
 
 - hugetlb sysfs cleanups from Muchun Song.
 
 - Mike Kravetz fixes locking issues in hugetlbfs and in hugetlb core.
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Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
   linux-next for a couple of months without, to my knowledge, any
   negative reports (or any positive ones, come to that).

 - Also the Maple Tree from Liam Howlett. An overlapping range-based
   tree for vmas. It it apparently slightly more efficient in its own
   right, but is mainly targeted at enabling work to reduce mmap_lock
   contention.

   Liam has identified a number of other tree users in the kernel which
   could be beneficially onverted to mapletrees.

   Yu Zhao has identified a hard-to-hit but "easy to fix" lockdep splat
   at [1]. This has yet to be addressed due to Liam's unfortunately
   timed vacation. He is now back and we'll get this fixed up.

 - Dmitry Vyukov introduces KMSAN: the Kernel Memory Sanitizer. It uses
   clang-generated instrumentation to detect used-unintialized bugs down
   to the single bit level.

   KMSAN keeps finding bugs. New ones, as well as the legacy ones.

 - Yang Shi adds a userspace mechanism (madvise) to induce a collapse of
   memory into THPs.

 - Zach O'Keefe has expanded Yang Shi's madvise(MADV_COLLAPSE) to
   support file/shmem-backed pages.

 - userfaultfd updates from Axel Rasmussen

 - zsmalloc cleanups from Alexey Romanov

 - cleanups from Miaohe Lin: vmscan, hugetlb_cgroup, hugetlb and
   memory-failure

 - Huang Ying adds enhancements to NUMA balancing memory tiering mode's
   page promotion, with a new way of detecting hot pages.

 - memcg updates from Shakeel Butt: charging optimizations and reduced
   memory consumption.

 - memcg cleanups from Kairui Song.

 - memcg fixes and cleanups from Johannes Weiner.

 - Vishal Moola provides more folio conversions

 - Zhang Yi removed ll_rw_block() :(

 - migration enhancements from Peter Xu

 - migration error-path bugfixes from Huang Ying

 - Aneesh Kumar added ability for a device driver to alter the memory
   tiering promotion paths. For optimizations by PMEM drivers, DRM
   drivers, etc.

 - vma merging improvements from Jakub Matěn.

 - NUMA hinting cleanups from David Hildenbrand.

 - xu xin added aditional userspace visibility into KSM merging
   activity.

 - THP & KSM code consolidation from Qi Zheng.

 - more folio work from Matthew Wilcox.

 - KASAN updates from Andrey Konovalov.

 - DAMON cleanups from Kaixu Xia.

 - DAMON work from SeongJae Park: fixes, cleanups.

 - hugetlb sysfs cleanups from Muchun Song.

 - Mike Kravetz fixes locking issues in hugetlbfs and in hugetlb core.

Link: https://lkml.kernel.org/r/CAOUHufZabH85CeUN-MEMgL8gJGzJEWUrkiM58JkTbBhh-jew0Q@mail.gmail.com [1]

* tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (555 commits)
  hugetlb: allocate vma lock for all sharable vmas
  hugetlb: take hugetlb vma_lock when clearing vma_lock->vma pointer
  hugetlb: fix vma lock handling during split vma and range unmapping
  mglru: mm/vmscan.c: fix imprecise comments
  mm/mglru: don't sync disk for each aging cycle
  mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbol
  mm: memcontrol: use do_memsw_account() in a few more places
  mm: memcontrol: deprecate swapaccounting=0 mode
  mm: memcontrol: don't allocate cgroup swap arrays when memcg is disabled
  mm/secretmem: remove reduntant return value
  mm/hugetlb: add available_huge_pages() func
  mm: remove unused inline functions from include/linux/mm_inline.h
  selftests/vm: add selftest for MADV_COLLAPSE of uffd-minor memory
  selftests/vm: add file/shmem MADV_COLLAPSE selftest for cleared pmd
  selftests/vm: add thp collapse shmem testing
  selftests/vm: add thp collapse file and tmpfs testing
  selftests/vm: modularize thp collapse memory operations
  selftests/vm: dedup THP helpers
  mm/khugepaged: add tracepoint to hpage_collapse_scan_file()
  mm/madvise: add file and shmem support to MADV_COLLAPSE
  ...
2022-10-10 17:53:04 -07:00
Linus Torvalds
0e0073eb1b hyperv-next for 6.1
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Merge tag 'hyperv-next-signed-20221009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv updates from Wei Liu:

 - Remove unnecessary delay while probing for VMBus (Stanislav
   Kinsburskiy)

 - Optimize vmbus_on_event (Saurabh Sengar)

 - Fix a race in Hyper-V DRM driver (Saurabh Sengar)

 - Miscellaneous clean-up patches from various people

* tag 'hyperv-next-signed-20221009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  x86/hyperv: Replace kmap() with kmap_local_page()
  drm/hyperv: Add ratelimit on error message
  hyperv: simplify and rename generate_guest_id
  Drivers: hv: vmbus: Split memcpy of flex-array
  scsi: storvsc: remove an extraneous "to" in a comment
  Drivers: hv: vmbus: Don't wait for the ACPI device upon initialization
  Drivers: hv: vmbus: Use PCI_VENDOR_ID_MICROSOFT for better discoverability
  Drivers: hv: vmbus: Fix kernel-doc
  drm/hyperv: Don't overwrite dirt_needed value set by host
  Drivers: hv: vmbus: Optimize vmbus_on_event
2022-10-10 13:59:01 -07:00
Linus Torvalds
f23cdfcd04 IOMMU Updates for Linux v6.1:
Including:
 
 	- Removal of the bus_set_iommu() interface which became
 	  unnecesary because of IOMMU per-device probing
 
 	- Make the dma-iommu.h header private
 
 	- Intel VT-d changes from Lu Baolu:
 	  - Decouple PASID and PRI from SVA
 	  - Add ESRTPS & ESIRTPS capability check
 	  - Cleanups
 
 	- Apple DART support for the M1 Pro/MAX SOCs
 
 	- Support for AMD IOMMUv2 page-tables for the DMA-API layer. The
 	  v2 page-tables are compatible with the x86 CPU page-tables.
 	  Using them for DMA-API prepares support for hardware-assisted
 	  IOMMU virtualization
 
 	- Support for MT6795 Helio X10 M4Us in the Mediatek IOMMU driver
 
 	- Some smaller fixes and cleanups
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Merge tag 'iommu-updates-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull iommu updates from Joerg Roedel:

 - remove the bus_set_iommu() interface which became unnecesary because
   of IOMMU per-device probing

 - make the dma-iommu.h header private

 - Intel VT-d changes from Lu Baolu:
	  - Decouple PASID and PRI from SVA
	  - Add ESRTPS & ESIRTPS capability check
	  - Cleanups

 - Apple DART support for the M1 Pro/MAX SOCs

 - support for AMD IOMMUv2 page-tables for the DMA-API layer.

   The v2 page-tables are compatible with the x86 CPU page-tables. Using
   them for DMA-API prepares support for hardware-assisted IOMMU
   virtualization

 - support for MT6795 Helio X10 M4Us in the Mediatek IOMMU driver

 - some smaller fixes and cleanups

* tag 'iommu-updates-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (59 commits)
  iommu/vt-d: Avoid unnecessary global DMA cache invalidation
  iommu/vt-d: Avoid unnecessary global IRTE cache invalidation
  iommu/vt-d: Rename cap_5lp_support to cap_fl5lp_support
  iommu/vt-d: Remove pasid_set_eafe()
  iommu/vt-d: Decouple PASID & PRI enabling from SVA
  iommu/vt-d: Remove unnecessary SVA data accesses in page fault path
  dt-bindings: iommu: arm,smmu-v3: Relax order of interrupt names
  iommu: dart: Support t6000 variant
  iommu/io-pgtable-dart: Add DART PTE support for t6000
  iommu/io-pgtable: Add DART subpage protection support
  iommu/io-pgtable: Move Apple DART support to its own file
  iommu/mediatek: Add support for MT6795 Helio X10 M4Us
  iommu/mediatek: Introduce new flag TF_PORT_TO_ADDR_MT8173
  dt-bindings: mediatek: Add bindings for MT6795 M4U
  iommu/iova: Fix module config properly
  iommu/amd: Fix sparse warning
  iommu/amd: Remove outdated comment
  iommu/amd: Free domain ID after domain_flush_pages
  iommu/amd: Free domain id in error path
  iommu/virtio: Fix compile error with viommu_capable()
  ...
2022-10-10 13:20:53 -07:00
Linus Torvalds
3604a7f568 This update includes the following changes:
API:
 
 - Feed untrusted RNGs into /dev/random.
 - Allow HWRNG sleeping to be more interruptible.
 - Create lib/utils module.
 - Setting private keys no longer required for akcipher.
 - Remove tcrypt mode=1000.
 - Reorganised Kconfig entries.
 
 Algorithms:
 
 - Load x86/sha512 based on CPU features.
 - Add AES-NI/AVX/x86_64/GFNI assembler implementation of aria cipher.
 
 Drivers:
 
 - Add HACE crypto driver aspeed.
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Merge tag 'v6.1-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Feed untrusted RNGs into /dev/random
   - Allow HWRNG sleeping to be more interruptible
   - Create lib/utils module
   - Setting private keys no longer required for akcipher
   - Remove tcrypt mode=1000
   - Reorganised Kconfig entries

  Algorithms:
   - Load x86/sha512 based on CPU features
   - Add AES-NI/AVX/x86_64/GFNI assembler implementation of aria cipher

  Drivers:
   - Add HACE crypto driver aspeed"

* tag 'v6.1-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (124 commits)
  crypto: aspeed - Remove redundant dev_err call
  crypto: scatterwalk - Remove unused inline function scatterwalk_aligned()
  crypto: aead - Remove unused inline functions from aead
  crypto: bcm - Simplify obtain the name for cipher
  crypto: marvell/octeontx - use sysfs_emit() to instead of scnprintf()
  hwrng: core - start hwrng kthread also for untrusted sources
  crypto: zip - remove the unneeded result variable
  crypto: qat - add limit to linked list parsing
  crypto: octeontx2 - Remove the unneeded result variable
  crypto: ccp - Remove the unneeded result variable
  crypto: aspeed - Fix check for platform_get_irq() errors
  crypto: virtio - fix memory-leak
  crypto: cavium - prevent integer overflow loading firmware
  crypto: marvell/octeontx - prevent integer overflows
  crypto: aspeed - fix build error when only CRYPTO_DEV_ASPEED is enabled
  crypto: hisilicon/qm - fix the qos value initialization
  crypto: sun4i-ss - use DEFINE_SHOW_ATTRIBUTE to simplify sun4i_ss_debugfs
  crypto: tcrypt - add async speed test for aria cipher
  crypto: aria-avx - add AES-NI/AVX/x86_64/GFNI assembler implementation of aria cipher
  crypto: aria - prepare generic module for optimized implementations
  ...
2022-10-10 13:04:25 -07:00
Linus Torvalds
8afc66e8d4 Kbuild updates for v6.1
- Remove potentially incomplete targets when Kbuid is interrupted by
    SIGINT etc. in case GNU Make may miss to do that when stderr is piped
    to another program.
 
  - Rewrite the single target build so it works more correctly.
 
  - Fix rpm-pkg builds with V=1.
 
  - List top-level subdirectories in ./Kbuild.
 
  - Ignore auto-generated __kstrtab_* and __kstrtabns_* symbols in kallsyms.
 
  - Avoid two different modules in lib/zstd/ having shared code, which
    potentially causes building the common code as build-in and modular
    back-and-forth.
 
  - Unify two modpost invocations to optimize the build process.
 
  - Remove head-y syntax in favor of linker scripts for placing particular
    sections in the head of vmlinux.
 
  - Bump the minimal GNU Make version to 3.82.
 
  - Clean up misc Makefiles and scripts.
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Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Remove potentially incomplete targets when Kbuid is interrupted by
   SIGINT etc in case GNU Make may miss to do that when stderr is piped
   to another program.

 - Rewrite the single target build so it works more correctly.

 - Fix rpm-pkg builds with V=1.

 - List top-level subdirectories in ./Kbuild.

 - Ignore auto-generated __kstrtab_* and __kstrtabns_* symbols in
   kallsyms.

 - Avoid two different modules in lib/zstd/ having shared code, which
   potentially causes building the common code as build-in and modular
   back-and-forth.

 - Unify two modpost invocations to optimize the build process.

 - Remove head-y syntax in favor of linker scripts for placing
   particular sections in the head of vmlinux.

 - Bump the minimal GNU Make version to 3.82.

 - Clean up misc Makefiles and scripts.

* tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (41 commits)
  docs: bump minimal GNU Make version to 3.82
  ia64: simplify esi object addition in Makefile
  Revert "kbuild: Check if linker supports the -X option"
  kbuild: rebuild .vmlinux.export.o when its prerequisite is updated
  kbuild: move modules.builtin(.modinfo) rules to Makefile.vmlinux_o
  zstd: Fixing mixed module-builtin objects
  kallsyms: ignore __kstrtab_* and __kstrtabns_* symbols
  kallsyms: take the input file instead of reading stdin
  kallsyms: drop duplicated ignore patterns from kallsyms.c
  kbuild: reuse mksysmap output for kallsyms
  mksysmap: update comment about __crc_*
  kbuild: remove head-y syntax
  kbuild: use obj-y instead extra-y for objects placed at the head
  kbuild: hide error checker logs for V=1 builds
  kbuild: re-run modpost when it is updated
  kbuild: unify two modpost invocations
  kbuild: move vmlinux.o rule to the top Makefile
  kbuild: move .vmlinux.objs rule to Makefile.modpost
  kbuild: list sub-directories in ./Kbuild
  Makefile.compiler: replace cc-ifversion with compiler-specific macros
  ...
2022-10-10 12:00:45 -07:00
Linus Torvalds
2e64066dab RISC-V Patches for the 6.1 Merge Window, Part 1
* Improvements to the CPU topology subsystem, which fix some issues
   where RISC-V would report bad topology information.
 * The default NR_CPUS has increased to XLEN, and the maximum
   configurable value is 512.
 * The CD-ROM filesystems have been enabled in the defconfig.
 * Support for THP_SWAP has been added for rv64 systems.
 
 There are also a handful of cleanups and fixes throughout the tree.
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Merge tag 'riscv-for-linus-6.1-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V updates from Palmer Dabbelt:

 - Improvements to the CPU topology subsystem, which fix some issues
   where RISC-V would report bad topology information.

 - The default NR_CPUS has increased to XLEN, and the maximum
   configurable value is 512.

 - The CD-ROM filesystems have been enabled in the defconfig.

 - Support for THP_SWAP has been added for rv64 systems.

There are also a handful of cleanups and fixes throughout the tree.

* tag 'riscv-for-linus-6.1-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: enable THP_SWAP for RV64
  RISC-V: Print SSTC in canonical order
  riscv: compat: s/failed/unsupported if compat mode isn't supported
  RISC-V: Increase range and default value of NR_CPUS
  cpuidle: riscv-sbi: Fix CPU_PM_CPU_IDLE_ENTER_xyz() macro usage
  perf: RISC-V: throttle perf events
  perf: RISC-V: exclude invalid pmu counters from SBI calls
  riscv: enable CD-ROM file systems in defconfig
  riscv: topology: fix default topology reporting
  arm64: topology: move store_cpu_topology() to shared code
2022-10-09 13:24:01 -07:00
Linus Torvalds
ef688f8b8c The first batch of KVM patches, mostly covering x86, which I
am sending out early due to me travelling next week.  There is a
 lone mm patch for which Andrew gave an informal ack at
 https://lore.kernel.org/linux-mm/20220817102500.440c6d0a3fce296fdf91bea6@linux-foundation.org.
 
 I will send the bulk of ARM work, as well as other
 architectures, at the end of next week.
 
 ARM:
 
 * Account stage2 page table allocations in memory stats.
 
 x86:
 
 * Account EPT/NPT arm64 page table allocations in memory stats.
 
 * Tracepoint cleanups/fixes for nested VM-Enter and emulated MSR accesses.
 
 * Drop eVMCS controls filtering for KVM on Hyper-V, all known versions of
   Hyper-V now support eVMCS fields associated with features that are
   enumerated to the guest.
 
 * Use KVM's sanitized VMCS config as the basis for the values of nested VMX
   capabilities MSRs.
 
 * A myriad event/exception fixes and cleanups.  Most notably, pending
   exceptions morph into VM-Exits earlier, as soon as the exception is
   queued, instead of waiting until the next vmentry.  This fixed
   a longstanding issue where the exceptions would incorrecly become
   double-faults instead of triggering a vmexit; the common case of
   page-fault vmexits had a special workaround, but now it's fixed
   for good.
 
 * A handful of fixes for memory leaks in error paths.
 
 * Cleanups for VMREAD trampoline and VMX's VM-Exit assembly flow.
 
 * Never write to memory from non-sleepable kvm_vcpu_check_block()
 
 * Selftests refinements and cleanups.
 
 * Misc typo cleanups.
 
 Generic:
 
 * remove KVM_REQ_UNHALT
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm updates from Paolo Bonzini:
 "The first batch of KVM patches, mostly covering x86.

  ARM:

   - Account stage2 page table allocations in memory stats

  x86:

   - Account EPT/NPT arm64 page table allocations in memory stats

   - Tracepoint cleanups/fixes for nested VM-Enter and emulated MSR
     accesses

   - Drop eVMCS controls filtering for KVM on Hyper-V, all known
     versions of Hyper-V now support eVMCS fields associated with
     features that are enumerated to the guest

   - Use KVM's sanitized VMCS config as the basis for the values of
     nested VMX capabilities MSRs

   - A myriad event/exception fixes and cleanups. Most notably, pending
     exceptions morph into VM-Exits earlier, as soon as the exception is
     queued, instead of waiting until the next vmentry. This fixed a
     longstanding issue where the exceptions would incorrecly become
     double-faults instead of triggering a vmexit; the common case of
     page-fault vmexits had a special workaround, but now it's fixed for
     good

   - A handful of fixes for memory leaks in error paths

   - Cleanups for VMREAD trampoline and VMX's VM-Exit assembly flow

   - Never write to memory from non-sleepable kvm_vcpu_check_block()

   - Selftests refinements and cleanups

   - Misc typo cleanups

  Generic:

   - remove KVM_REQ_UNHALT"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (94 commits)
  KVM: remove KVM_REQ_UNHALT
  KVM: mips, x86: do not rely on KVM_REQ_UNHALT
  KVM: x86: never write to memory from kvm_vcpu_check_block()
  KVM: x86: Don't snapshot pending INIT/SIPI prior to checking nested events
  KVM: nVMX: Make event request on VMXOFF iff INIT/SIPI is pending
  KVM: nVMX: Make an event request if INIT or SIPI is pending on VM-Enter
  KVM: SVM: Make an event request if INIT or SIPI is pending when GIF is set
  KVM: x86: lapic does not have to process INIT if it is blocked
  KVM: x86: Rename kvm_apic_has_events() to make it INIT/SIPI specific
  KVM: x86: Rename and expose helper to detect if INIT/SIPI are allowed
  KVM: nVMX: Make an event request when pending an MTF nested VM-Exit
  KVM: x86: make vendor code check for all nested events
  mailmap: Update Oliver's email address
  KVM: x86: Allow force_emulation_prefix to be written without a reload
  KVM: selftests: Add an x86-only test to verify nested exception queueing
  KVM: selftests: Use uapi header to get VMX and SVM exit reasons/codes
  KVM: x86: Rename inject_pending_events() to kvm_check_and_inject_events()
  KVM: VMX: Update MTF and ICEBP comments to document KVM's subtle behavior
  KVM: x86: Treat pending TRIPLE_FAULT requests as pending exceptions
  KVM: x86: Morph pending exceptions to pending VM-Exits at queue time
  ...
2022-10-09 09:39:55 -07:00
Linus Torvalds
0e470763d8 EFI updates for v6.1
- implement EFI boot support for LoongArch
 - implement generic EFI compressed boot support for arm64, RISC-V and
   LoongArch, none of which implement a decompressor today
 - measure the kernel command line into the TPM if measured boot is in
   effect
 - refactor the EFI stub code in order to isolate DT dependencies for
   architectures other than x86
 - avoid calling SetVirtualAddressMap() on arm64 if the configured size
   of the VA space guarantees that doing so is unnecessary
 - move some ARM specific code out of the generic EFI source files
 - unmap kernel code from the x86 mixed mode 1:1 page tables
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Merge tag 'efi-next-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi

Pull EFI updates from Ard Biesheuvel:
 "A bit more going on than usual in the EFI subsystem. The main driver
  for this has been the introduction of the LoonArch architecture last
  cycle, which inspired some cleanup and refactoring of the EFI code.
  Another driver for EFI changes this cycle and in the future is
  confidential compute.

  The LoongArch architecture does not use either struct bootparams or DT
  natively [yet], and so passing information between the EFI stub and
  the core kernel using either of those is undesirable. And in general,
  overloading DT has been a source of issues on arm64, so using DT for
  this on new architectures is a to avoid for the time being (even if we
  might converge on something DT based for non-x86 architectures in the
  future). For this reason, in addition to the patch that enables EFI
  boot for LoongArch, there are a number of refactoring patches applied
  on top of which separate the DT bits from the generic EFI stub bits.
  These changes are on a separate topich branch that has been shared
  with the LoongArch maintainers, who will include it in their pull
  request as well. This is not ideal, but the best way to manage the
  conflicts without stalling LoongArch for another cycle.

  Another development inspired by LoongArch is the newly added support
  for EFI based decompressors. Instead of adding yet another
  arch-specific incarnation of this pattern for LoongArch, we are
  introducing an EFI app based on the existing EFI libstub
  infrastructure that encapulates the decompression code we use on other
  architectures, but in a way that is fully generic. This has been
  developed and tested in collaboration with distro and systemd folks,
  who are eager to start using this for systemd-boot and also for arm64
  secure boot on Fedora. Note that the EFI zimage files this introduces
  can also be decompressed by non-EFI bootloaders if needed, as the
  image header describes the location of the payload inside the image,
  and the type of compression that was used. (Note that Fedora's arm64
  GRUB is buggy [0] so you'll need a recent version or switch to
  systemd-boot in order to use this.)

  Finally, we are adding TPM measurement of the kernel command line
  provided by EFI. There is an oversight in the TCG spec which results
  in a blind spot for command line arguments passed to loaded images,
  which means that either the loader or the stub needs to take the
  measurement. Given the combinatorial explosion I am anticipating when
  it comes to firmware/bootloader stacks and firmware based attestation
  protocols (SEV-SNP, TDX, DICE, DRTM), it is good to set a baseline now
  when it comes to EFI measured boot, which is that the kernel measures
  the initrd and command line. Intermediate loaders can measure
  additional assets if needed, but with the baseline in place, we can
  deploy measured boot in a meaningful way even if you boot into Linux
  straight from the EFI firmware.

  Summary:

   - implement EFI boot support for LoongArch

   - implement generic EFI compressed boot support for arm64, RISC-V and
     LoongArch, none of which implement a decompressor today

   - measure the kernel command line into the TPM if measured boot is in
     effect

   - refactor the EFI stub code in order to isolate DT dependencies for
     architectures other than x86

   - avoid calling SetVirtualAddressMap() on arm64 if the configured
     size of the VA space guarantees that doing so is unnecessary

   - move some ARM specific code out of the generic EFI source files

   - unmap kernel code from the x86 mixed mode 1:1 page tables"

* tag 'efi-next-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: (24 commits)
  efi/arm64: libstub: avoid SetVirtualAddressMap() when possible
  efi: zboot: create MemoryMapped() device path for the parent if needed
  efi: libstub: fix up the last remaining open coded boot service call
  efi/arm: libstub: move ARM specific code out of generic routines
  efi/libstub: measure EFI LoadOptions
  efi/libstub: refactor the initrd measuring functions
  efi/loongarch: libstub: remove dependency on flattened DT
  efi: libstub: install boot-time memory map as config table
  efi: libstub: remove DT dependency from generic stub
  efi: libstub: unify initrd loading between architectures
  efi: libstub: remove pointless goto kludge
  efi: libstub: simplify efi_get_memory_map() and struct efi_boot_memmap
  efi: libstub: avoid efi_get_memory_map() for allocating the virt map
  efi: libstub: drop pointless get_memory_map() call
  efi: libstub: fix type confusion for load_options_size
  arm64: efi: enable generic EFI compressed boot
  loongarch: efi: enable generic EFI compressed boot
  riscv: efi: enable generic EFI compressed boot
  efi/libstub: implement generic EFI zboot
  efi/libstub: move efi_system_table global var into separate object
  ...
2022-10-09 08:56:54 -07:00
Linus Torvalds
bdc753c7fc Here's the main clk pull request for this merge window. We have some
late breaking reports that a patch series to rework clk rate range
 support broke boot on some devices, so I've left that branch out of this
 PR. Hopefully we can get to that next week, or punt on it and let it
 bake another cycle. That means we don't really have any changes to the
 core framework this time around besides a few typo fixes. Instead this
 is all clk driver updates and fixes.
 
 The usual suspects are here (again), with Qualcomm dominating the
 diffstat. We look to have gained support for quite a few new Qualcomm
 SoCs and Dmitry worked on updating many of the existing Qualcomm drivers
 to use clk_parent_data. After that we have MediaTek drivers getting some
 much needed updates, in particular to support GPU DVFS. There are also
 quite a few Samsung clk driver patches, but that's mostly because there
 was a maintainer change and so last release we missed some of those
 patches.
 
 Overall things look normal, but I'm slowly reviewing core framework code
 nowadays and that shows given the rate range patches had to be yanked
 last minute. Let's hope this situation changes soon.
 
 New Drivers:
  - Support for Renesas VersaClock7 clock generator family
  - Add Spreadtrum UMS512 SoC clk support
  - New clock drivers for MediaTek Helio X10 MT6795
  - Display clks for Qualcomm SM6115, SM8450
  - GPU clks for Qualcomm SC8280XP
  - Qualcomm MSM8909 and SM6375 global and SMD RPM clk drivers
 
 Deleted Drivers:
  - Remove DaVinci DM644x and DM646x clk driver support
 
 Updates:
  - Convert Baikal-T1 CCU driver to platform driver
  - Split reset support out of primary Baikal-T1 CCU driver
  - Add some missing clks required for RPiVid Video Decoder on RaspberryPi
  - Mark PLLC critical on bcm2835
  - More devm helpers for fixed rate registration
  - Various PXA168 clk driver fixes
  - Add resets for MediaTek MT8195 PCIe and USB
  - Miscellaneous of_node_put() fixes
  - Nuke dt-bindings/clk path (again) by moving headers to dt-bindings/clock
  - Convert gpio-clk-gate binding to YAML
  - Various fixes to AMD/Xilinx Zynqmp clk driver
  - Graduate AMD/Xilinx "clocking wizard" driver from staging
  - Add missing DPI1_HDMI clock in MT8195 VDOSYS1
  - Clock driver changes to support GPU DVFS on MT8183, MT8192, MT8195
    - Fix GPU clock topology on MT8195
    - Propogate rate changes from GPU clock gate up the tree
    - Clock mux notifiers for GPU-related PLLs
  - Conversion of more "simple" drivers to mtk_clk_simple_probe()
  - Hook up mtk_clk_simple_remove() for "simple" MT8192 clock drivers
  - Fixes to previous |struct clk| to |struct clk_hw| conversion on MediaTek
  - Shrink MT8192 clock driver by deduplicating clock parent lists
  - Change order between 'sim_enet_root_clk' and 'enet_qos_root_clk'
    clocks for i.MX8MP
  - Drop unnecessary newline in i.MX8MM dt-bindings
  - Add more MU1 and SAI clocks dt-bindings Ids
  - Introduce slice busy bit check for i.MX93 composite clock
  - Introduce white list bit check for i.MX93 composite clock
  - Add new i.MX93 clock gate
  - Add MU1 and MU2 clocks to i.MX93 clock provider
  - Add SAI IPG clocks to i.MX93 clock provider
  - add generic clocks for U(S)ART available on SAMA5D2 SoCs
  - reset controller support for Polarfire clocks
  - .round_rate and .set rate support for clk-mpfs
  - code cleanup for clk-mpfs
  - PLL support for PolarFire SoC's Clock Conditioning Circuitry
  - Add watchdog, I2C, pin control/GPIO, and Ethernet clocks on R-Car V4H
  - Add SDHI, Timer (CMT/TMU), and SPI (MSIOF) clocks on R-Car S4-8
  - Add I2C clocks and resets on RZ/V2M
  - Document clock support for the RZ/Five SoC
  - mux-variant clock using the table variant to select parents
  - clock controller for the rv1126 soc
  - conversion of rk3128 to yaml and relicensing of the yaml bindings
    to gpl2+MIT (following dt-binding guildelines)
  - Exynos7885: add FSYS, TREX and MFC clock controllers
  - Exynos850: add IS and AUD (audio) clock controllers with bindings
  - ExynosAutov9: add FSYS clock controllers with bindings
  - ExynosAutov9: correct clock IDs in bindings of Peric 0 and 1 clock
    controllers, due to duplicated entries.  This is an acceptable ABI
    break: recently developed/added platform so without legacies, acked
    by known users/developers
  - ExynosAutov9: add few missing Peric 0/1 gates
  - ExynosAutov9: correct register offsets of few Peric 0/1 clocks
  - Minor code improvements (use of_device_get_match_data() helper, code
    style)
  - Add Krzysztof Kozlowski as co-maintainer of Samsung SoC clocks, as he
    already maintainers that architecture/platform
  - Keep Qualcomm GDSCs enabled when PWRSTS_RET flag is there, solving retention
    issues during suspend of USB on Qualcomm sc7180/sc7280 and SC8280XP
  - Qualcomm SM6115 and QCM2260 are moved to reuse PLL configuration
  - Qualcomm SDM660 SDCC1 moved to floor clk ops
  - Support for the APCS PLLs for Qualcomm IPQ8064, IPQ8074 and IPQ6018 was
    added/fixed
  - The Qualcomm MSM8996 CPU clocks are updated with support for ACD
  - Support for Qualcomm SDM670 GCC and RPMh clks was added
  - Transition to parent_data, parent_hws and use of ARRAY_SIZE() for
    num_parents was done for many Qualcomm SoCs
  - Support for per-reset defined delay on Qualcomm was introduced
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk updates from Stephen Boyd:
 "We have some late breaking reports that a patch series to rework clk
  rate range support broke boot on some devices, so I've left that
  branch out of this. Hopefully we can get to that next week, or punt on
  it and let it bake another cycle. That means we don't really have any
  changes to the core framework this time around besides a few typo
  fixes. Instead this is all clk driver updates and fixes.

  The usual suspects are here (again), with Qualcomm dominating the
  diffstat. We look to have gained support for quite a few new Qualcomm
  SoCs and Dmitry worked on updating many of the existing Qualcomm
  drivers to use clk_parent_data. After that we have MediaTek drivers
  getting some much needed updates, in particular to support GPU DVFS.
  There are also quite a few Samsung clk driver patches, but that's
  mostly because there was a maintainer change and so last release we
  missed some of those patches.

  Overall things look normal, but I'm slowly reviewing core framework
  code nowadays and that shows given the rate range patches had to be
  yanked last minute. Let's hope this situation changes soon.

  New Drivers:
   - Support for Renesas VersaClock7 clock generator family
   - Add Spreadtrum UMS512 SoC clk support
   - New clock drivers for MediaTek Helio X10 MT6795
   - Display clks for Qualcomm SM6115, SM8450
   - GPU clks for Qualcomm SC8280XP
   - Qualcomm MSM8909 and SM6375 global and SMD RPM clk drivers

  Deleted Drivers:
   - Remove DaVinci DM644x and DM646x clk driver support

  Updates:
   - Convert Baikal-T1 CCU driver to platform driver
   - Split reset support out of primary Baikal-T1 CCU driver
   - Add some missing clks required for RPiVid Video Decoder on
     RaspberryPi
   - Mark PLLC critical on bcm2835
   - More devm helpers for fixed rate registration
   - Various PXA168 clk driver fixes
   - Add resets for MediaTek MT8195 PCIe and USB
   - Miscellaneous of_node_put() fixes
   - Nuke dt-bindings/clk path (again) by moving headers to
     dt-bindings/clock
   - Convert gpio-clk-gate binding to YAML
   - Various fixes to AMD/Xilinx Zynqmp clk driver
   - Graduate AMD/Xilinx "clocking wizard" driver from staging
   - Add missing DPI1_HDMI clock in MT8195 VDOSYS1
   - Clock driver changes to support GPU DVFS on MT8183, MT8192, MT8195
   - Fix GPU clock topology on MT8195
   - Propogate rate changes from GPU clock gate up the tree
   - Clock mux notifiers for GPU-related PLLs
   - Conversion of more "simple" drivers to mtk_clk_simple_probe()
   - Hook up mtk_clk_simple_remove() for "simple" MT8192 clock drivers
   - Fixes to previous |struct clk| to |struct clk_hw| conversion on
     MediaTek
   - Shrink MT8192 clock driver by deduplicating clock parent lists
   - Change order between 'sim_enet_root_clk' and 'enet_qos_root_clk'
     clocks for i.MX8MP
   - Drop unnecessary newline in i.MX8MM dt-bindings
   - Add more MU1 and SAI clocks dt-bindings Ids
   - Introduce slice busy bit check for i.MX93 composite clock
   - Introduce white list bit check for i.MX93 composite clock
   - Add new i.MX93 clock gate
   - Add MU1 and MU2 clocks to i.MX93 clock provider
   - Add SAI IPG clocks to i.MX93 clock provider
   - add generic clocks for U(S)ART available on SAMA5D2 SoCs
   - reset controller support for Polarfire clocks
   - .round_rate and .set rate support for clk-mpfs
   - code cleanup for clk-mpfs
   - PLL support for PolarFire SoC's Clock Conditioning Circuitry
   - Add watchdog, I2C, pin control/GPIO, and Ethernet clocks on R-Car
     V4H
   - Add SDHI, Timer (CMT/TMU), and SPI (MSIOF) clocks on R-Car S4-8
   - Add I2C clocks and resets on RZ/V2M
   - Document clock support for the RZ/Five SoC
   - mux-variant clock using the table variant to select parents
   - clock controller for the rv1126 soc
   - conversion of rk3128 to yaml and relicensing of the yaml bindings
     to gpl2+MIT (following dt-binding guildelines)
   - Exynos7885: add FSYS, TREX and MFC clock controllers
   - Exynos850: add IS and AUD (audio) clock controllers with bindings
   - ExynosAutov9: add FSYS clock controllers with bindings
   - ExynosAutov9: correct clock IDs in bindings of Peric 0 and 1 clock
     controllers, due to duplicated entries. This is an acceptable ABI
     break: recently developed/added platform so without legacies, acked
     by known users/developers
   - ExynosAutov9: add few missing Peric 0/1 gates
   - ExynosAutov9: correct register offsets of few Peric 0/1 clocks
   - Minor code improvements (use of_device_get_match_data() helper,
     code style)
   - Add Krzysztof Kozlowski as co-maintainer of Samsung SoC clocks, as
     he already maintainers that architecture/platform
   - Keep Qualcomm GDSCs enabled when PWRSTS_RET flag is there, solving
     retention issues during suspend of USB on Qualcomm sc7180/sc7280
     and SC8280XP
   - Qualcomm SM6115 and QCM2260 are moved to reuse PLL configuration
   - Qualcomm SDM660 SDCC1 moved to floor clk ops
   - Support for the APCS PLLs for Qualcomm IPQ8064, IPQ8074 and IPQ6018
     was added/fixed
   - The Qualcomm MSM8996 CPU clocks are updated with support for ACD
   - Support for Qualcomm SDM670 GCC and RPMh clks was added
   - Transition to parent_data, parent_hws and use of ARRAY_SIZE() for
     num_parents was done for many Qualcomm SoCs
   - Support for per-reset defined delay on Qualcomm was introduced"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (283 commits)
  clk: qcom: gcc-sm6375: Ensure unsigned long type
  clk: qcom: gcc-sm6375: Remove unused variables
  clk: qcom: kpss-xcc: convert to parent data API
  clk: introduce (devm_)hw_register_mux_parent_data_table API
  clk: allow building lan966x as a module
  clk: clk-xgene: simplify if-if to if-else
  clk: ast2600: BCLK comes from EPLL
  clk: clocking-wizard: Depend on HAS_IOMEM
  clk: clocking-wizard: Use dev_err_probe() helper
  clk: nxp: fix typo in comment
  clk: pxa: add a check for the return value of kzalloc()
  clk: vc5: Add support for IDT/Renesas VersaClock 5P49V6975
  dt-bindings: clock: vc5: Add 5P49V6975
  clk: mvebu: armada-37xx-tbg: Remove the unneeded result variable
  clk: ti: dra7-atl: Fix reference leak in of_dra7_atl_clk_probe
  clk: Renesas versaclock7 ccf device driver
  dt-bindings: Renesas versaclock7 device tree bindings
  clk: ti: Balance of_node_get() calls for of_find_node_by_name()
  clk: imx: scu: fix memleak on platform_device_add() fails
  clk: vc5: Use regmap_{set,clear}_bits() where appropriate
  ...
2022-10-08 10:06:48 -07:00
Linus Torvalds
a09476668e Char/Misc and other driver changes for 6.1-rc1
Here is the large set of char/misc and other small driver subsystem
 changes for 6.1-rc1.  Loads of different things in here:
   - IIO driver updates, additions, and changes.  Probably the largest
     part of the diffstat
   - habanalabs driver update with support for new hardware and features,
     the second largest part of the diff.
   - fpga subsystem driver updates and additions
   - mhi subsystem updates
   - Coresight driver updates
   - gnss subsystem updates
   - extcon driver updates
   - icc subsystem updates
   - fsi subsystem updates
   - nvmem subsystem and driver updates
   - misc driver updates
   - speakup driver additions for new features
   - lots of tiny driver updates and cleanups
 
 All of these have been in the linux-next tree for a while with no
 reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver updates from Greg KH:
 "Here is the large set of char/misc and other small driver subsystem
  changes for 6.1-rc1. Loads of different things in here:

   - IIO driver updates, additions, and changes. Probably the largest
     part of the diffstat

   - habanalabs driver update with support for new hardware and
     features, the second largest part of the diff.

   - fpga subsystem driver updates and additions

   - mhi subsystem updates

   - Coresight driver updates

   - gnss subsystem updates

   - extcon driver updates

   - icc subsystem updates

   - fsi subsystem updates

   - nvmem subsystem and driver updates

   - misc driver updates

   - speakup driver additions for new features

   - lots of tiny driver updates and cleanups

  All of these have been in the linux-next tree for a while with no
  reported issues"

* tag 'char-misc-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (411 commits)
  w1: Split memcpy() of struct cn_msg flexible array
  spmi: pmic-arb: increase SPMI transaction timeout delay
  spmi: pmic-arb: block access for invalid PMIC arbiter v5 SPMI writes
  spmi: pmic-arb: correct duplicate APID to PPID mapping logic
  spmi: pmic-arb: add support to dispatch interrupt based on IRQ status
  spmi: pmic-arb: check apid against limits before calling irq handler
  spmi: pmic-arb: do not ack and clear peripheral interrupts in cleanup_irq
  spmi: pmic-arb: handle spurious interrupt
  spmi: pmic-arb: add a print in cleanup_irq
  drivers: spmi: Directly use ida_alloc()/free()
  MAINTAINERS: add TI ECAP driver info
  counter: ti-ecap-capture: capture driver support for ECAP
  Documentation: ABI: sysfs-bus-counter: add frequency & num_overflows items
  dt-bindings: counter: add ti,am62-ecap-capture.yaml
  counter: Introduce the COUNTER_COMP_ARRAY component type
  counter: Consolidate Counter extension sysfs attribute creation
  counter: Introduce the Count capture component
  counter: 104-quad-8: Add Signal polarity component
  counter: Introduce the Signal polarity component
  counter: interrupt-cnt: Implement watch_validate callback
  ...
2022-10-08 08:56:37 -07:00
Linus Torvalds
d3dcbe24a0 USB/Thunderbolt changes for 6.1-rc1
Here is the big set of USB and Thunderbolt driver changes for 6.1-rc1.
 
 Nothing major in here, lots of little things with new devices supported
 and updates for a few drivers.  Highlights include:
 	- thunderbolt/USB4 devices supported a bit better than before,
 	  and some new ids to enable new hardware devices
 	- USB gadget uvc updates for newer video formats and better v4l
 	  integration (the v4l portions were acked by those maintainers)
 	- typec updates for tiny issues and more typec drivers for new
 	  chips.
 	- xhci tiny updates for minor issues
 	- big usb-serial ftdi_sio driver update to handle new devices
 	  better
 	- lots of tiny dwc3 fixes and updates for the IP block that is
 	  showing up everywhere these days
 	- dts updates for new devices being supported
 	- other tiny janitorial and cleanups fixes for lots of different
 	  USB drivers.  Full details are in the shortlog.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB / Thunderbolt updates from Greg KH:
 "Here is the big set of USB and Thunderbolt driver changes for 6.1-rc1.

  Nothing major in here, lots of little things with new devices
  supported and updates for a few drivers. Highlights include:

   - thunderbolt/USB4 devices supported a bit better than before, and
     some new ids to enable new hardware devices

   - USB gadget uvc updates for newer video formats and better v4l
     integration (the v4l portions were acked by those maintainers)

   - typec updates for tiny issues and more typec drivers for new chips.

   - xhci tiny updates for minor issues

   - big usb-serial ftdi_sio driver update to handle new devices better

   - lots of tiny dwc3 fixes and updates for the IP block that is
     showing up everywhere these days

   - dts updates for new devices being supported

   - other tiny janitorial and cleanups fixes for lots of different USB
     drivers. Full details are in the shortlog.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (169 commits)
  usb: gadget: uvc: don't put item still in use
  usb: gadget: uvc: Fix argument to sizeof() in uvc_register_video()
  usb: host: ehci-exynos: switch to using gpiod API
  Revert "usb: dwc3: Don't switch OTG -> peripheral if extcon is present"
  Revert "USB: fixup for merge issue with "usb: dwc3: Don't switch OTG -> peripheral if extcon is present""
  dt-bindings: usb: Convert FOTG210 to dt schema
  usb: mtu3: fix failed runtime suspend in host only mode
  USB: omap_udc: Fix spelling mistake: "tranceiver_ctrl" -> "transceiver_ctrl"
  usb: typec: ucsi_ccg: Disable UCSI ALT support on Tegra
  usb: typec: Replace custom implementation of device_match_fwnode()
  usb: typec: ucsi: Don't warn on probe deferral
  usb: add quirks for Lenovo OneLink+ Dock
  MAINTAINERS: switch dwc3 to Thinh
  usb: idmouse: fix an uninit-value in idmouse_open
  USB: PHY: JZ4770: Switch to use dev_err_probe() helper
  usb: phy: generic: Switch to use dev_err_probe() helper
  usb: ulpi: use DEFINE_SHOW_ATTRIBUTE to simplify ulpi_regs
  usb: cdns3: remove dead code
  usb: cdc-wdm: Use skb_put_data() instead of skb_put/memcpy pair
  usb: musb: sunxi: Switch to use dev_err_probe() helper
  ...
2022-10-07 16:48:26 -07:00
Linus Torvalds
4078aa6850 ata changes for 6.1-rc1
* Print the timeout value for internal command failures due to a
   timeout (from Tomas).
 
 * Improve parameter names in ata_dev_set_feature() to clarify this
   function use (from Niklas).
 
 * Improve the ahci driver low power mode setting initialization to allow
   more flexibility for the user (from Rafael).
 
 * Several patches to remove redundant variables in libata-core,
   libata-eh and the pata_macio driver and to fix typos in comments (from
   Jinpeng, Shaomin, Ye).
 
 * Some code simplifications and macro renaming (for clarity) in various
   functions of libata-core (from me).
 
 * Add a missing check for a potential failure of sata_scr_read() in
   sata_print_link_status() (from Li).
 
 * Cleanup of libata Kconfig PATA_PLATFORM and PATA_OF_PLATFORM options
   (from Lukas).
 
 * Cleanups of ata dt-bindings and improvements of libahci_platform, ahci
   and libahci code (from Serge)
 
 * New driver for Synopsys AHCI SATA controllers, based of the generic
   ahci code (from Serge). One compilation warning fix is added for this
   driver (from me).
 
 * Several fixes to macros used to discover a drive capabilities to be
   consistent with the ACS specifications (from Niklas).
 
 * A couple of simplifcations to some libata functions, removing
   unnecessary arguments (from Niklas).
 
 * An improvements to libata-eh code to avoid unnecessary link reset when
   revalidating a drive after a failed command. In practice, this extra,
   unneeded reset, reset does not cause any arm beyond slightly slowing
   down error recovery (from Niklas).
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Merge tag 'ata-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata

Pull ata updates from Damien Le Moal:

 - Print the timeout value for internal command failures due to a
   timeout (from Tomas)

 - Improve parameter names in ata_dev_set_feature() to clarify this
   function use (from Niklas)

 - Improve the ahci driver low power mode setting initialization to
   allow more flexibility for the user (from Rafael)

 - Several patches to remove redundant variables in libata-core,
   libata-eh and the pata_macio driver and to fix typos in comments
   (from Jinpeng, Shaomin, Ye)

 - Some code simplifications and macro renaming (for clarity) in various
   functions of libata-core (from me)

 - Add a missing check for a potential failure of sata_scr_read() in
   sata_print_link_status() (from Li)

 - Cleanup of libata Kconfig PATA_PLATFORM and PATA_OF_PLATFORM options
   (from Lukas)

 - Cleanups of ata dt-bindings and improvements of libahci_platform,
   ahci and libahci code (from Serge)

 - New driver for Synopsys AHCI SATA controllers, based of the generic
   ahci code (from Serge). One compilation warning fix is added for this
   driver (from me)

 - Several fixes to macros used to discover a drive capabilities to be
   consistent with the ACS specifications (from Niklas)

 - A couple of simplifcations to some libata functions, removing
   unnecessary arguments (from Niklas)

 - An improvements to libata-eh code to avoid unnecessary link reset
   when revalidating a drive after a failed command. In practice, this
   extra, unneeded reset, reset does not cause any arm beyond slightly
   slowing down error recovery (from Niklas)

* tag 'ata-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: (45 commits)
  ata: libata-eh: avoid needless hard reset when revalidating link
  ata: libata: drop superfluous ata_eh_analyze_tf() parameter
  ata: libata: drop superfluous ata_eh_request_sense() parameter
  ata: fix ata_id_has_dipm()
  ata: fix ata_id_has_ncq_autosense()
  ata: fix ata_id_has_devslp()
  ata: fix ata_id_sense_reporting_enabled() and ata_id_has_sense_reporting()
  ata: libata-eh: Remove the unneeded result variable
  ata: ahci_st: Enable compile test
  ata: ahci_st: Fix compilation warning
  MAINTAINERS: Add maintainers for DWC AHCI SATA driver
  ata: ahci-dwc: Add Baikal-T1 AHCI SATA interface support
  ata: ahci-dwc: Add platform-specific quirks support
  dt-bindings: ata: ahci: Add Baikal-T1 AHCI SATA controller DT schema
  ata: ahci: Add DWC AHCI SATA controller support
  ata: libahci_platform: Add function returning a clock-handle by id
  dt-bindings: ata: ahci: Add DWC AHCI SATA controller DT schema
  ata: ahci: Introduce firmware-specific caps initialization
  ata: ahci: Convert __ahci_port_base to accepting hpriv as arguments
  ata: libahci: Don't read AHCI version twice in the save-config method
  ...
2022-10-07 10:48:49 -07:00
James Morse
171df58028 arm64: errata: Add Cortex-A55 to the repeat tlbi list
Cortex-A55 is affected by an erratum where in rare circumstances the
CPUs may not handle a race between a break-before-make sequence on one
CPU, and another CPU accessing the same page. This could allow a store
to a page that has been unmapped.

Work around this by adding the affected CPUs to the list that needs
TLB sequences to be done twice.

Signed-off-by: James Morse <james.morse@arm.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220930131959.3082594-1-james.morse@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-10-07 14:42:20 +01:00
Mark Brown
e1567b4f0e arm64/sysreg: Fix typo in SCTR_EL1.SPINTMASK
SPINTMASK was typoed as SPINMASK, fix it.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221005181642.711734-1-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-10-07 14:30:11 +01:00
Linus Torvalds
18fd049731 arm64 updates for 6.1:
- arm64 perf: DDR PMU driver for Alibaba's T-Head Yitian 710 SoC, SVE
   vector granule register added to the user regs together with SVE perf
   extensions documentation.
 
 - SVE updates: add HWCAP for SVE EBF16, update the SVE ABI documentation
   to match the actual kernel behaviour (zeroing the registers on syscall
   rather than "zeroed or preserved" previously).
 
 - More conversions to automatic system registers generation.
 
 - vDSO: use self-synchronising virtual counter access in gettimeofday()
   if the architecture supports it.
 
 - arm64 stacktrace cleanups and improvements.
 
 - arm64 atomics improvements: always inline assembly, remove LL/SC
   trampolines.
 
 - Improve the reporting of EL1 exceptions: rework BTI and FPAC exception
   handling, better EL1 undefs reporting.
 
 - Cortex-A510 erratum 2658417: remove BF16 support due to incorrect
   result.
 
 - arm64 defconfig updates: build CoreSight as a module, enable options
   necessary for docker, memory hotplug/hotremove, enable all PMUs
   provided by Arm.
 
 - arm64 ptrace() support for TPIDR2_EL0 (register provided with the SME
   extensions).
 
 - arm64 ftraces updates/fixes: fix module PLTs with mcount, remove
   unused function.
 
 - kselftest updates for arm64: simple HWCAP validation, FP stress test
   improvements, validation of ZA regs in signal handlers, include larger
   SVE and SME vector lengths in signal tests, various cleanups.
 
 - arm64 alternatives (code patching) improvements to robustness and
   consistency: replace cpucap static branches with equivalent
   alternatives, associate callback alternatives with a cpucap.
 
 - Miscellaneous updates: optimise kprobe performance of patching
   single-step slots, simplify uaccess_mask_ptr(), move MTE registers
   initialisation to C, support huge vmalloc() mappings, run softirqs on
   the per-CPU IRQ stack, compat (arm32) misalignment fixups for
   multiword accesses.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Catalin Marinas:

 - arm64 perf: DDR PMU driver for Alibaba's T-Head Yitian 710 SoC, SVE
   vector granule register added to the user regs together with SVE perf
   extensions documentation.

 - SVE updates: add HWCAP for SVE EBF16, update the SVE ABI
   documentation to match the actual kernel behaviour (zeroing the
   registers on syscall rather than "zeroed or preserved" previously).

 - More conversions to automatic system registers generation.

 - vDSO: use self-synchronising virtual counter access in gettimeofday()
   if the architecture supports it.

 - arm64 stacktrace cleanups and improvements.

 - arm64 atomics improvements: always inline assembly, remove LL/SC
   trampolines.

 - Improve the reporting of EL1 exceptions: rework BTI and FPAC
   exception handling, better EL1 undefs reporting.

 - Cortex-A510 erratum 2658417: remove BF16 support due to incorrect
   result.

 - arm64 defconfig updates: build CoreSight as a module, enable options
   necessary for docker, memory hotplug/hotremove, enable all PMUs
   provided by Arm.

 - arm64 ptrace() support for TPIDR2_EL0 (register provided with the SME
   extensions).

 - arm64 ftraces updates/fixes: fix module PLTs with mcount, remove
   unused function.

 - kselftest updates for arm64: simple HWCAP validation, FP stress test
   improvements, validation of ZA regs in signal handlers, include
   larger SVE and SME vector lengths in signal tests, various cleanups.

 - arm64 alternatives (code patching) improvements to robustness and
   consistency: replace cpucap static branches with equivalent
   alternatives, associate callback alternatives with a cpucap.

 - Miscellaneous updates: optimise kprobe performance of patching
   single-step slots, simplify uaccess_mask_ptr(), move MTE registers
   initialisation to C, support huge vmalloc() mappings, run softirqs on
   the per-CPU IRQ stack, compat (arm32) misalignment fixups for
   multiword accesses.

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (126 commits)
  arm64: alternatives: Use vdso/bits.h instead of linux/bits.h
  arm64/kprobe: Optimize the performance of patching single-step slot
  arm64: defconfig: Add Coresight as module
  kselftest/arm64: Handle EINTR while reading data from children
  kselftest/arm64: Flag fp-stress as exiting when we begin finishing up
  kselftest/arm64: Don't repeat termination handler for fp-stress
  ARM64: reloc_test: add __init/__exit annotations to module init/exit funcs
  arm64/mm: fold check for KFENCE into can_set_direct_map()
  arm64: ftrace: fix module PLTs with mcount
  arm64: module: Remove unused plt_entry_is_initialized()
  arm64: module: Make plt_equals_entry() static
  arm64: fix the build with binutils 2.27
  kselftest/arm64: Don't enable v8.5 for MTE selftest builds
  arm64: uaccess: simplify uaccess_mask_ptr()
  arm64: asm/perf_regs.h: Avoid C++-style comment in UAPI header
  kselftest/arm64: Fix typo in hwcap check
  arm64: mte: move register initialization to C
  arm64: mm: handle ARM64_KERNEL_USES_PMD_MAPS in vmemmap_populate()
  arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()
  arm64/sve: Add Perf extensions documentation
  ...
2022-10-06 11:51:49 -07:00
Linus Torvalds
41fc64a055 ARM: SoC code changes for 6.1
The main changes this time are for the organization of the Kconfig
 files, introducing per-vendor top-level options on arm64 to match
 those on arm32, and making the platform selection on arm32 more
 uniform, in particular for the remaining StrongARM platforms that
 still have a couple of special cases compared to the more recent
 ones.
 
 I also did a cleanup of the old Footbridge platform, which was
 the last holdout for the phys_to_dma()/dma_to_phys() interface
 that is now completely gone from arm32, completing work started
 by Christoph Hellwig.
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Merge tag 'arm-soc-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC updates from Arnd Bergmann:
 "The main changes this time are for the organization of the Kconfig
  files, introducing per-vendor top-level options on arm64 to match
  those on arm32, and making the platform selection on arm32 more
  uniform, in particular for the remaining StrongARM platforms that
  still have a couple of special cases compared to the more recent ones.

  I also did a cleanup of the old Footbridge platform, which was the
  last holdout for the phys_to_dma()/dma_to_phys() interface that is now
  completely gone from arm32, completing work started by Christoph
  Hellwig"

* tag 'arm-soc-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (21 commits)
  ARM: aspeed: Kconfig: Fix indentation
  ARM: Drop CMDLINE_* dependency on ATAGS
  ARM: Drop CMDLINE_FORCE dependency on !ARCH_MULTIPLATFORM
  ARM: s3c: remove orphan declarations from arch/arm/mach-s3c/devs.h
  pxa: Drop if with an always false condition
  ARM: orion: fix include path
  ARM: shmobile: Drop selecting SOC_BUS
  arm64: renesas: Drop selecting SOC_BUS
  ARM: disallow PCI with MMU=n again
  ARM: footbridge: remove custom DMA address handling
  MAINTAINERS: Add BCM4908 maintainer to BCMBCA entry
  ARM: footbridge: move isa-dma support into footbridge
  ARM: footbridge: remove leftover from personal-server
  ARM: footbridge: remove addin mode
  arm64: Kconfig.platforms: Group NXP platforms together
  arm64: Kconfig.platforms: Re-organized Broadcom menu
  ARM: make ARCH_MULTIPLATFORM user-visible
  ARM: fix XIP_KERNEL dependencies
  ARM: Kconfig: clean up platform selection
  ARM: simplify machdirs/platdirs handling
  ...
2022-10-06 11:22:25 -07:00
Linus Torvalds
7171a8da00 ARM: devicetree updates for 6.1
Most of the changes fall into one of three categories: adding support
 for additional devices on existing machines, cleaning up issues found
 by the ongoing conversion to machine-readable bindings, and addressing
 minor mistakes in the existing DT data.
 
 Across SoC vendors, Qualcomm and Freescale stick out as getting the most
 updates, which corresponds to their dominance in the mobile phone and
 embedded industrial markets, respectively.
 
 There are 636 non-merge changeset in this branch, which is a little
 lower than most times, but more importantly we only add 36 machine
 files, which is about half of what we had the past few releases.
 
 Eight new SoCs are added, but all of them are variations of already
 supported SoC families, and most of them come with one reference board
 design from the SoC vendor:
 
  - Mediatek MT8186 is a Chromebook/Tablet type SoC, similar to the
    MT65xx series of phone SoCs, with two Cortex-A76 and six Cortex-A55
    cores.
 
  - TI AM62A is another member of the K3 family with Cortex-A53 cores,
    this one is targetted at Video/Vision processing for industrial
    and automotive applications.
 
  - NXP i.MX8DXL is another chip for this market in the ever-growing
    i.MX8 family, this one again with two Cortex-A35 cores.
 
  - Renesas R-Car H3Ne-1.7G (R8A779MB) and R-Car V3H2 (R8A77980A) are
    minor updates of R8A77951 and R8A77980, respectively.
 
  - Qualcomm IPQ8064-v2.0, IPQ8062 and IPQ8065 are all variants of the
    IPQ8064 chip, with minimally different features.
 
 The AMD Pensando Elba and Apple M1 Ultra SoC support was getting close
 this time, but in the end did not make the cut.
 
 The new machines based on existing SoC support are fairly uneventful:
 
  - Sony Xperia 1 IV is a fairly recent phone based on Qualcomm
    Snapdragon 8 Gen 1.
 
  - Three Samsung phones based on Snapdragon 410: Galaxy E5, E7 and
    Grand Max. These are added for both 32-bit and 64-bit kernels,
    as they originally shipped running 32-bit code.
 
  - Two new servers using AST2600 BMCs: AMD DaytonaX and Ampere
    Mt. Mitchell
 
  - Three new machines based on Rockchips RK3399 and RK3566:
    Anberic RG353P and RG503, Pine64 Pinephone Pro, Open AI Lab
 
  - Multiple NXP i.MX6/i.MX8 based boards: Kontron SL/BL i.MX8MM OSM-S,
    i.MX8MM Gateworks GW7904, MSC SM2S-IMX8PLUS SoM and carrier board
 
  - Two development boards in the Microchip AT91 family:
    SAMA5D3-EDS and lan966x-pcb8290.
 
  - Minor variants of existing boards using Amlogic, Broadcom, Marvell,
    Rockchips, Freescale Layerscape and Socionext Uniphier SoCs.
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Merge tag 'arm-dt-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM devicetree updates from Arnd Bergmann:
 "Most of the changes fall into one of three categories: adding support
  for additional devices on existing machines, cleaning up issues found
  by the ongoing conversion to machine-readable bindings, and addressing
  minor mistakes in the existing DT data.

  Across SoC vendors, Qualcomm and Freescale stick out as getting the
  most updates, which corresponds to their dominance in the mobile phone
  and embedded industrial markets, respectively.

  There are 636 non-merge changeset in this branch, which is a little
  lower than most times, but more importantly we only add 36 machine
  files, which is about half of what we had the past few releases.

  Eight new SoCs are added, but all of them are variations of already
  supported SoC families, and most of them come with one reference board
  design from the SoC vendor:

   - Mediatek MT8186 is a Chromebook/Tablet type SoC, similar to the
     MT65xx series of phone SoCs, with two Cortex-A76 and six Cortex-A55
     cores.

   - TI AM62A is another member of the K3 family with Cortex-A53 cores,
     this one is targetted at Video/Vision processing for industrial and
     automotive applications.

   - NXP i.MX8DXL is another chip for this market in the ever-growing
     i.MX8 family, this one again with two Cortex-A35 cores.

   - Renesas R-Car H3Ne-1.7G (R8A779MB) and R-Car V3H2 (R8A77980A) are
     minor updates of R8A77951 and R8A77980, respectively.

   - Qualcomm IPQ8064-v2.0, IPQ8062 and IPQ8065 are all variants of the
     IPQ8064 chip, with minimally different features.

  The AMD Pensando Elba and Apple M1 Ultra SoC support was getting close
  this time, but in the end did not make the cut.

  The new machines based on existing SoC support are fairly uneventful:

   - Sony Xperia 1 IV is a fairly recent phone based on Qualcomm
     Snapdragon 8 Gen 1.

   - Three Samsung phones based on Snapdragon 410: Galaxy E5, E7 and
     Grand Max. These are added for both 32-bit and 64-bit kernels, as
     they originally shipped running 32-bit code.

   - Two new servers using AST2600 BMCs: AMD DaytonaX and Ampere Mt.
     Mitchell

   - Three new machines based on Rockchips RK3399 and RK3566: Anberic
     RG353P and RG503, Pine64 Pinephone Pro, Open AI Lab

   - Multiple NXP i.MX6/i.MX8 based boards: Kontron SL/BL i.MX8MM OSM-S,
     i.MX8MM Gateworks GW7904, MSC SM2S-IMX8PLUS SoM and carrier board

   - Two development boards in the Microchip AT91 family: SAMA5D3-EDS
     and lan966x-pcb8290.

   - Minor variants of existing boards using Amlogic, Broadcom, Marvell,
     Rockchips, Freescale Layerscape and Socionext Uniphier SoCs"

* tag 'arm-dt-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (617 commits)
  Revert "ARM: dts: BCM5301X: Add basic PCI controller properties"
  ARM: dts: s5pv210: correct double "pins" in pinmux node
  ARM: dts: exynos: fix polarity of VBUS GPIO of Origen
  arm64: dts: exynos: fix polarity of "enable" line of NFC chip in TM2
  arm64: dts: uniphier: Add L2 cache node
  arm64: dts: uniphier: Remove compatible "snps,dw-pcie" from pcie node
  arm64: dts: uniphier: Fix opp-table node name for LD20
  arm64: dts: uniphier: Add USB-device support for PXs3 reference board
  arm64: dts: uniphier: Add ahci controller nodes for PXs3
  arm64: dts: uniphier: Use GIC interrupt definitions
  arm64: dts: uniphier: Rename gpio-hog nodes
  arm64: dts: uniphier: Rename usb-glue node for USB3 to usb-controller
  arm64: dts: uniphier: Rename usb-phy node for USB2 to usb-controller
  arm64: dts: uniphier: Rename pvtctl node to thermal-sensor
  ARM: dts: uniphier: Remove compatible "snps,dw-pcie-ep" from pcie-ep node
  ARM: dts: uniphier: Move interrupt-parent property to each child node in uniphier-support-card
  ARM: dts: uniphier: Add ahci controller nodes for PXs2
  ARM: dts: uniphier: Add ahci controller nodes for Pro4
  ARM: dts: uniphier: Use GIC interrupt definitions
  ARM: dts: uniphier: Rename gpio-hog node
  ...
2022-10-06 11:13:04 -07:00
Linus Torvalds
40285e64c5 ARM: defconfig updates for 6.1
As usual, we enable newly added device drivers in the various
 defconfig files. This time, there is also a larger cleanup
 series that just reorders symbols according to what 'make
 savedefconfig' outputs and then tracks down the most common
 removed or renamed symbols on top.
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Merge tag 'arm-defconfig-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM defconfig updates from Arnd Bergmann:
 "As usual, we enable newly added device drivers in the various
  defconfig files.

  This time, there is also a larger cleanup series that just reorders
  symbols according to what 'make savedefconfig' outputs and then tracks
  down the most common removed or renamed symbols on top"

* tag 'arm-defconfig-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (43 commits)
  ARM: config: aspeed_g5: Enable PECI
  ARM: configs: aspeed_g4: Remove appended DTB and ATAG
  ARM: configs: aspeed: Refresh defconfigs
  ARM: config: aspeed: Enable namespaces
  ARM: configs: aspeed_g4: Enable IPV6 options
  ARM: configs: aspeed_g4: Enable OCC and NBD drivers
  ARM: configs: aspeed_g5: Enable MCTP stack
  ARM: configs: aspeed_g5: Add PL2303 USB serial driver
  ARM: configs: aspeed_g5: Add TPM TIS I2C driver
  ARM: configs: aspeed_g5: Add mp5023 driver
  ARM: configs: aspeed: Add support for USB flash drives
  arm64: configs: Enable all PMUs provided by Arm
  arm64: defconfig: Enable Synopsys DWC MSHC driver
  arm64: defconfig: Enabled SC8180x configs
  arm64: defconfig: Make TEGRA186_GPC_DMA built-in
  arm64: tegra: Enable Tegra SPI & QSPI in deconfig
  arm64: defconfig: enable newer Qualcomm SoC sound drivers
  ARM: config: ixp4xx: Disable legacy EEPROM driver
  arm64: defconfig: Enable devfreq cooling device
  arm64: defconfig: enable ARCH_NXP
  ...
2022-10-06 10:38:24 -07:00
Nathan Chancellor
d2995249a2 arm64: alternatives: Use vdso/bits.h instead of linux/bits.h
When building with CONFIG_LTO after commit ba00c2a04f ("arm64: fix the
build with binutils 2.27"), the following build error occurs:

  In file included from arch/arm64/kernel/module-plts.c:6:
  In file included from include/linux/elf.h:6:
  In file included from arch/arm64/include/asm/elf.h:8:
  In file included from arch/arm64/include/asm/hwcap.h:9:
  In file included from arch/arm64/include/asm/cpufeature.h:9:
  In file included from arch/arm64/include/asm/alternative-macros.h:5:
  In file included from include/linux/bits.h:22:
  In file included from include/linux/build_bug.h:5:
  In file included from include/linux/compiler.h:248:
  In file included from arch/arm64/include/asm/rwonce.h:71:
  include/asm-generic/rwonce.h:67:9: error: expected string literal in 'asm'
          return __READ_ONCE(*(unsigned long *)addr);
                ^
  arch/arm64/include/asm/rwonce.h:43:16: note: expanded from macro '__READ_ONCE'
                  asm volatile(__LOAD_RCPC(b, %w0, %1)                    \
                              ^
  arch/arm64/include/asm/rwonce.h:17:2: note: expanded from macro '__LOAD_RCPC'
          ALTERNATIVE(                                                    \
          ^

Similar to the issue resolved by commit 0072dc1b53 ("arm64: avoid
BUILD_BUG_ON() in alternative-macros"), there is a circular include
dependency through <linux/bits.h> when CONFIG_LTO is enabled due to
<asm/rwonce.h> appearing in the include chain before the contents of
<asm/alternative-macros.h>, which results in ALTERNATIVE() not getting
expanded properly because it has not been defined yet.

Avoid this issue by including <vdso/bits.h>, which includes the
definition of the BIT() macro, instead of <linux/bits.h>, as BIT() is the
only macro from bits.h that is relevant to this header.

Fixes: ba00c2a04f ("arm64: fix the build with binutils 2.27")
Link: https://github.com/ClangBuiltLinux/linux/issues/1728
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20221003193759.1141709-1-nathan@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-10-05 10:44:44 +01:00
Arnd Bergmann
40a5af128a Samsung DTS ARM and ARM64 changes for v6.1
Late cleanup and fixes for Samsung DTS:
 1. Fix polarity of pins:
    - enable GPIO of NFC chip in Exynos5433 TM2 boards,
    - vbus GPIO of EHCI in Exynos4412 Origen board.
 2. Correct name of pin configuration nodes - redundant "pins" in the
    name (no functional impact).
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Merge tag 'samsung-dt-dt64-6.1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/dt

Samsung DTS ARM and ARM64 changes for v6.1

Late cleanup and fixes for Samsung DTS:
1. Fix polarity of pins:
   - enable GPIO of NFC chip in Exynos5433 TM2 boards,
   - vbus GPIO of EHCI in Exynos4412 Origen board.
2. Correct name of pin configuration nodes - redundant "pins" in the
   name (no functional impact).

* tag 'samsung-dt-dt64-6.1-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: dts: s5pv210: correct double "pins" in pinmux node
  ARM: dts: exynos: fix polarity of VBUS GPIO of Origen
  arm64: dts: exynos: fix polarity of "enable" line of NFC chip in TM2

Link: https://lore.kernel.org/r/20221003073916.12588-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-10-04 22:43:32 +02:00
Linus Torvalds
0326074ff4 Networking changes for 6.1.
Core
 ----
 
  - Introduce and use a single page frag cache for allocating small skb
    heads, clawing back the 10-20% performance regression in UDP flood
    test from previous fixes.
 
  - Run packets which already went thru HW coalescing thru SW GRO.
    This significantly improves TCP segment coalescing and simplifies
    deployments as different workloads benefit from HW or SW GRO.
 
  - Shrink the size of the base zero-copy send structure.
 
  - Move TCP init under a new slow / sleepable version of DO_ONCE().
 
 BPF
 ---
 
  - Add BPF-specific, any-context-safe memory allocator.
 
  - Add helpers/kfuncs for PKCS#7 signature verification from BPF
    programs.
 
  - Define a new map type and related helpers for user space -> kernel
    communication over a ring buffer (BPF_MAP_TYPE_USER_RINGBUF).
 
  - Allow targeting BPF iterators to loop through resources of one
    task/thread.
 
  - Add ability to call selected destructive functions.
    Expose crash_kexec() to allow BPF to trigger a kernel dump.
    Use CAP_SYS_BOOT check on the loading process to judge permissions.
 
  - Enable BPF to collect custom hierarchical cgroup stats efficiently
    by integrating with the rstat framework.
 
  - Support struct arguments for trampoline based programs.
    Only structs with size <= 16B and x86 are supported.
 
  - Invoke cgroup/connect{4,6} programs for unprivileged ICMP ping
    sockets (instead of just TCP and UDP sockets).
 
  - Add a helper for accessing CLOCK_TAI for time sensitive network
    related programs.
 
  - Support accessing network tunnel metadata's flags.
 
  - Make TCP SYN ACK RTO tunable by BPF programs with TCP Fast Open.
 
  - Add support for writing to Netfilter's nf_conn:mark.
 
 Protocols
 ---------
 
  - WiFi: more Extremely High Throughput (EHT) and Multi-Link
    Operation (MLO) work (802.11be, WiFi 7).
 
  - vsock: improve support for SO_RCVLOWAT.
 
  - SMC: support SO_REUSEPORT.
 
  - Netlink: define and document how to use netlink in a "modern" way.
    Support reporting missing attributes via extended ACK.
 
  - IPSec: support collect metadata mode for xfrm interfaces.
 
  - TCPv6: send consistent autoflowlabel in SYN_RECV state
    and RST packets.
 
  - TCP: introduce optional per-netns connection hash table to allow
    better isolation between namespaces (opt-in, at the cost of memory
    and cache pressure).
 
  - MPTCP: support TCP_FASTOPEN_CONNECT.
 
  - Add NEXT-C-SID support in Segment Routing (SRv6) End behavior.
 
  - Adjust IP_UNICAST_IF sockopt behavior for connected UDP sockets.
 
  - Open vSwitch:
    - Allow specifying ifindex of new interfaces.
    - Allow conntrack and metering in non-initial user namespace.
 
  - TLS: support the Korean ARIA-GCM crypto algorithm.
 
  - Remove DECnet support.
 
 Driver API
 ----------
 
  - Allow selecting the conduit interface used by each port
    in DSA switches, at runtime.
 
  - Ethernet Power Sourcing Equipment and Power Device support.
 
  - Add tc-taprio support for queueMaxSDU parameter, i.e. setting
    per traffic class max frame size for time-based packet schedules.
 
  - Support PHY rate matching - adapting between differing host-side
    and link-side speeds.
 
  - Introduce QUSGMII PHY mode and 1000BASE-KX interface mode.
 
  - Validate OF (device tree) nodes for DSA shared ports; make
    phylink-related properties mandatory on DSA and CPU ports.
    Enforcing more uniformity should allow transitioning to phylink.
 
  - Require that flash component name used during update matches one
    of the components for which version is reported by info_get().
 
  - Remove "weight" argument from driver-facing NAPI API as much
    as possible. It's one of those magic knobs which seemed like
    a good idea at the time but is too indirect to use in practice.
 
  - Support offload of TLS connections with 256 bit keys.
 
 New hardware / drivers
 ----------------------
 
  - Ethernet:
    - Microchip KSZ9896 6-port Gigabit Ethernet Switch
    - Renesas Ethernet AVB (EtherAVB-IF) Gen4 SoCs
    - Analog Devices ADIN1110 and ADIN2111 industrial single pair
      Ethernet (10BASE-T1L) MAC+PHY.
    - Rockchip RV1126 Gigabit Ethernet (a version of stmmac IP).
 
  - Ethernet SFPs / modules:
    - RollBall / Hilink / Turris 10G copper SFPs
    - HALNy GPON module
 
  - WiFi:
    - CYW43439 SDIO chipset (brcmfmac)
    - CYW89459 PCIe chipset (brcmfmac)
    - BCM4378 on Apple platforms (brcmfmac)
 
 Drivers
 -------
 
  - CAN:
    - gs_usb: HW timestamp support
 
  - Ethernet PHYs:
    - lan8814: cable diagnostics
 
  - Ethernet NICs:
    - Intel (100G):
      - implement control of FCS/CRC stripping
      - port splitting via devlink
      - L2TPv3 filtering offload
    - nVidia/Mellanox:
      - tunnel offload for sub-functions
      - MACSec offload, w/ Extended packet number and replay
        window offload
      - significantly restructure, and optimize the AF_XDP support,
        align the behavior with other vendors
    - Huawei:
      - configuring DSCP map for traffic class selection
      - querying standard FEC statistics
      - querying SerDes lane number via ethtool
    - Marvell/Cavium:
      - egress priority flow control
      - MACSec offload
    - AMD/SolarFlare:
      - PTP over IPv6 and raw Ethernet
    - small / embedded:
      - ax88772: convert to phylink (to support SFP cages)
      - altera: tse: convert to phylink
      - ftgmac100: support fixed link
      - enetc: standard Ethtool counters
      - macb: ZynqMP SGMII dynamic configuration support
      - tsnep: support multi-queue and use page pool
      - lan743x: Rx IP & TCP checksum offload
      - igc: add xdp frags support to ndo_xdp_xmit
 
  - Ethernet high-speed switches:
    - Marvell (prestera):
      - support SPAN port features (traffic mirroring)
      - nexthop object offloading
    - Microchip (sparx5):
      - multicast forwarding offload
      - QoS queuing offload (tc-mqprio, tc-tbf, tc-ets)
 
  - Ethernet embedded switches:
    - Marvell (mv88e6xxx):
      - support RGMII cmode
    - NXP (felix):
      - standardized ethtool counters
    - Microchip (lan966x):
      - QoS queuing offload (tc-mqprio, tc-tbf, tc-cbs, tc-ets)
      - traffic policing and mirroring
      - link aggregation / bonding offload
      - QUSGMII PHY mode support
 
  - Qualcomm 802.11ax WiFi (ath11k):
    - cold boot calibration support on WCN6750
    - support to connect to a non-transmit MBSSID AP profile
    - enable remain-on-channel support on WCN6750
    - Wake-on-WLAN support for WCN6750
    - support to provide transmit power from firmware via nl80211
    - support to get power save duration for each client
    - spectral scan support for 160 MHz
 
  - MediaTek WiFi (mt76):
    - WiFi-to-Ethernet bridging offload for MT7986 chips
 
  - RealTek WiFi (rtw89):
    - P2P support
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core:

   - Introduce and use a single page frag cache for allocating small skb
     heads, clawing back the 10-20% performance regression in UDP flood
     test from previous fixes.

   - Run packets which already went thru HW coalescing thru SW GRO. This
     significantly improves TCP segment coalescing and simplifies
     deployments as different workloads benefit from HW or SW GRO.

   - Shrink the size of the base zero-copy send structure.

   - Move TCP init under a new slow / sleepable version of DO_ONCE().

  BPF:

   - Add BPF-specific, any-context-safe memory allocator.

   - Add helpers/kfuncs for PKCS#7 signature verification from BPF
     programs.

   - Define a new map type and related helpers for user space -> kernel
     communication over a ring buffer (BPF_MAP_TYPE_USER_RINGBUF).

   - Allow targeting BPF iterators to loop through resources of one
     task/thread.

   - Add ability to call selected destructive functions. Expose
     crash_kexec() to allow BPF to trigger a kernel dump. Use
     CAP_SYS_BOOT check on the loading process to judge permissions.

   - Enable BPF to collect custom hierarchical cgroup stats efficiently
     by integrating with the rstat framework.

   - Support struct arguments for trampoline based programs. Only
     structs with size <= 16B and x86 are supported.

   - Invoke cgroup/connect{4,6} programs for unprivileged ICMP ping
     sockets (instead of just TCP and UDP sockets).

   - Add a helper for accessing CLOCK_TAI for time sensitive network
     related programs.

   - Support accessing network tunnel metadata's flags.

   - Make TCP SYN ACK RTO tunable by BPF programs with TCP Fast Open.

   - Add support for writing to Netfilter's nf_conn:mark.

  Protocols:

   - WiFi: more Extremely High Throughput (EHT) and Multi-Link Operation
     (MLO) work (802.11be, WiFi 7).

   - vsock: improve support for SO_RCVLOWAT.

   - SMC: support SO_REUSEPORT.

   - Netlink: define and document how to use netlink in a "modern" way.
     Support reporting missing attributes via extended ACK.

   - IPSec: support collect metadata mode for xfrm interfaces.

   - TCPv6: send consistent autoflowlabel in SYN_RECV state and RST
     packets.

   - TCP: introduce optional per-netns connection hash table to allow
     better isolation between namespaces (opt-in, at the cost of memory
     and cache pressure).

   - MPTCP: support TCP_FASTOPEN_CONNECT.

   - Add NEXT-C-SID support in Segment Routing (SRv6) End behavior.

   - Adjust IP_UNICAST_IF sockopt behavior for connected UDP sockets.

   - Open vSwitch:
      - Allow specifying ifindex of new interfaces.
      - Allow conntrack and metering in non-initial user namespace.

   - TLS: support the Korean ARIA-GCM crypto algorithm.

   - Remove DECnet support.

  Driver API:

   - Allow selecting the conduit interface used by each port in DSA
     switches, at runtime.

   - Ethernet Power Sourcing Equipment and Power Device support.

   - Add tc-taprio support for queueMaxSDU parameter, i.e. setting per
     traffic class max frame size for time-based packet schedules.

   - Support PHY rate matching - adapting between differing host-side
     and link-side speeds.

   - Introduce QUSGMII PHY mode and 1000BASE-KX interface mode.

   - Validate OF (device tree) nodes for DSA shared ports; make
     phylink-related properties mandatory on DSA and CPU ports.
     Enforcing more uniformity should allow transitioning to phylink.

   - Require that flash component name used during update matches one of
     the components for which version is reported by info_get().

   - Remove "weight" argument from driver-facing NAPI API as much as
     possible. It's one of those magic knobs which seemed like a good
     idea at the time but is too indirect to use in practice.

   - Support offload of TLS connections with 256 bit keys.

  New hardware / drivers:

   - Ethernet:
      - Microchip KSZ9896 6-port Gigabit Ethernet Switch
      - Renesas Ethernet AVB (EtherAVB-IF) Gen4 SoCs
      - Analog Devices ADIN1110 and ADIN2111 industrial single pair
        Ethernet (10BASE-T1L) MAC+PHY.
      - Rockchip RV1126 Gigabit Ethernet (a version of stmmac IP).

   - Ethernet SFPs / modules:
      - RollBall / Hilink / Turris 10G copper SFPs
      - HALNy GPON module

   - WiFi:
      - CYW43439 SDIO chipset (brcmfmac)
      - CYW89459 PCIe chipset (brcmfmac)
      - BCM4378 on Apple platforms (brcmfmac)

  Drivers:

   - CAN:
      - gs_usb: HW timestamp support

   - Ethernet PHYs:
      - lan8814: cable diagnostics

   - Ethernet NICs:
      - Intel (100G):
         - implement control of FCS/CRC stripping
         - port splitting via devlink
         - L2TPv3 filtering offload
      - nVidia/Mellanox:
         - tunnel offload for sub-functions
         - MACSec offload, w/ Extended packet number and replay window
           offload
         - significantly restructure, and optimize the AF_XDP support,
           align the behavior with other vendors
      - Huawei:
         - configuring DSCP map for traffic class selection
         - querying standard FEC statistics
         - querying SerDes lane number via ethtool
      - Marvell/Cavium:
         - egress priority flow control
         - MACSec offload
      - AMD/SolarFlare:
         - PTP over IPv6 and raw Ethernet
      - small / embedded:
         - ax88772: convert to phylink (to support SFP cages)
         - altera: tse: convert to phylink
         - ftgmac100: support fixed link
         - enetc: standard Ethtool counters
         - macb: ZynqMP SGMII dynamic configuration support
         - tsnep: support multi-queue and use page pool
         - lan743x: Rx IP & TCP checksum offload
         - igc: add xdp frags support to ndo_xdp_xmit

   - Ethernet high-speed switches:
      - Marvell (prestera):
         - support SPAN port features (traffic mirroring)
         - nexthop object offloading
      - Microchip (sparx5):
         - multicast forwarding offload
         - QoS queuing offload (tc-mqprio, tc-tbf, tc-ets)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - support RGMII cmode
      - NXP (felix):
         - standardized ethtool counters
      - Microchip (lan966x):
         - QoS queuing offload (tc-mqprio, tc-tbf, tc-cbs, tc-ets)
         - traffic policing and mirroring
         - link aggregation / bonding offload
         - QUSGMII PHY mode support

   - Qualcomm 802.11ax WiFi (ath11k):
      - cold boot calibration support on WCN6750
      - support to connect to a non-transmit MBSSID AP profile
      - enable remain-on-channel support on WCN6750
      - Wake-on-WLAN support for WCN6750
      - support to provide transmit power from firmware via nl80211
      - support to get power save duration for each client
      - spectral scan support for 160 MHz

   - MediaTek WiFi (mt76):
      - WiFi-to-Ethernet bridging offload for MT7986 chips

   - RealTek WiFi (rtw89):
      - P2P support"

* tag 'net-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1864 commits)
  eth: pse: add missing static inlines
  once: rename _SLOW to _SLEEPABLE
  net: pse-pd: add regulator based PSE driver
  dt-bindings: net: pse-dt: add bindings for regulator based PoDL PSE controller
  ethtool: add interface to interact with Ethernet Power Equipment
  net: mdiobus: search for PSE nodes by parsing PHY nodes.
  net: mdiobus: fwnode_mdiobus_register_phy() rework error handling
  net: add framework to support Ethernet PSE and PDs devices
  dt-bindings: net: phy: add PoDL PSE property
  net: marvell: prestera: Propagate nh state from hw to kernel
  net: marvell: prestera: Add neighbour cache accounting
  net: marvell: prestera: add stub handler neighbour events
  net: marvell: prestera: Add heplers to interact with fib_notifier_info
  net: marvell: prestera: Add length macros for prestera_ip_addr
  net: marvell: prestera: add delayed wq and flush wq on deinit
  net: marvell: prestera: Add strict cleanup of fib arbiter
  net: marvell: prestera: Add cleanup of allocated fib_nodes
  net: marvell: prestera: Add router nexthops ABI
  eth: octeon: fix build after netif_napi_add() changes
  net/mlx5: E-Switch, Return EBUSY if can't get mode lock
  ...
2022-10-04 13:38:03 -07:00
Stephen Boyd
49f4c2d101 Merge branches 'clk-ofnode', 'clk-bindings', 'clk-cleanup', 'clk-zynq' and 'clk-xilinx' into clk-next
- Miscellaneous of_node_put() fixes
 - Nuke dt-bindings/clk path (again) by moving headers to dt-bindings/clock
 - Convert gpio-clk-gate binding to YAML
 - Various fixes to AMD/Xilinx Zynqmp clk driver
 - Graduate AMD/Xilinx "clocking wizard" driver from staging

* clk-ofnode:
  clk: ti: Balance of_node_get() calls for of_find_node_by_name()
  clk: tegra20: Fix refcount leak in tegra20_clock_init
  clk: tegra: Fix refcount leak in tegra114_clock_init
  clk: tegra: Fix refcount leak in tegra210_clock_init
  clk: sprd: Hold reference returned by of_get_parent()
  clk: berlin: Add of_node_put() for of_get_parent()
  clk: at91: dt-compat: Hold reference returned by of_get_parent()
  clk: qoriq: Hold reference returned by of_get_parent()
  clk: oxnas: Hold reference returned by of_get_parent()
  clk: st: Hold reference returned by of_get_parent()
  clk: tegra: Add missing of_node_put()
  clk: meson: Hold reference returned by of_get_parent()
  clk: nomadik: Add missing of_node_put()

* clk-bindings:
  dt-bindings: clock: drop minItems equal to maxItems
  dt-bindings: clock: gpio-gate-clock: Convert to json-schema
  dt-bindings: clock: Move versaclock.h to dt-bindings/clock
  dt-bindings: clock: Move lochnagar.h to dt-bindings/clock

* clk-cleanup:
  clk: allow building lan966x as a module
  clk: clk-xgene: simplify if-if to if-else
  clk: nxp: fix typo in comment
  clk: mvebu: armada-37xx-tbg: Remove the unneeded result variable
  clk: ti: dra7-atl: Fix reference leak in of_dra7_atl_clk_probe
  clkdev: Simplify devm_clk_hw_register_clkdev() function
  clkdev: Remove never used devm_clk_release_clkdev()
  clk: Remove never used devm_of_clk_del_provider()
  clk: pistachio: Fix initconst confusion
  clk: clk-npcm7xx: Remove unused struct npcm7xx_clk_gate_data and npcm7xx_clk_div_fixed_data
  clk: do not initialize ret
  clk: remove extra empty line
  clk: Fix comment typo
  clk: move from strlcpy with unused retval to strscpy

* clk-zynq:
  clk: zynqmp: pll: rectify rate rounding in zynqmp_pll_round_rate
  clk: zynqmp: Check the return type zynqmp_pm_query_data
  clk: zynqmp: Add a check for NULL pointer
  clk: zynqmp: Replaced strncpy() with strscpy()
  clk: zynqmp: Fix stack-out-of-bounds in strncpy`
  clk: zynqmp: make bestdiv unsigned

* clk-xilinx:
  clk: clocking-wizard: Depend on HAS_IOMEM
  clk: clocking-wizard: Use dev_err_probe() helper
  clk: clocking-wizard: Update the compatible
  clk: clocking-wizard: Fix the reconfig for 5.2
  clk: clocking-wizard: Rename nr-outputs to xlnx,nr-outputs
  clk: clocking-wizard: Move clocking-wizard out
  dt-bindings: add documentation of xilinx clocking wizard
2022-10-04 10:53:04 -07:00
Linus Torvalds
865dad2022 kcfi updates for v6.1-rc1
This replaces the prior support for Clang's standard Control Flow
 Integrity (CFI) instrumentation, which has required a lot of special
 conditions (e.g. LTO) and work-arounds. The current implementation
 ("Kernel CFI") is specific to C, directly designed for the Linux kernel,
 and takes advantage of architectural features like x86's IBT. This
 series retains arm64 support and adds x86 support. Additional "generic"
 architectural support is expected soon:
 https://github.com/samitolvanen/llvm-project/commits/kcfi_generic
 
 - treewide: Remove old CFI support details
 
 - arm64: Replace Clang CFI support with Clang KCFI support
 
 - x86: Introduce Clang KCFI support
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Merge tag 'kcfi-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull kcfi updates from Kees Cook:
 "This replaces the prior support for Clang's standard Control Flow
  Integrity (CFI) instrumentation, which has required a lot of special
  conditions (e.g. LTO) and work-arounds.

  The new implementation ("Kernel CFI") is specific to C, directly
  designed for the Linux kernel, and takes advantage of architectural
  features like x86's IBT. This series retains arm64 support and adds
  x86 support.

  GCC support is expected in the future[1], and additional "generic"
  architectural support is expected soon[2].

  Summary:

   - treewide: Remove old CFI support details

   - arm64: Replace Clang CFI support with Clang KCFI support

   - x86: Introduce Clang KCFI support"

Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107048 [1]
Link: https://github.com/samitolvanen/llvm-project/commits/kcfi_generic [2]

* tag 'kcfi-v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (22 commits)
  x86: Add support for CONFIG_CFI_CLANG
  x86/purgatory: Disable CFI
  x86: Add types to indirectly called assembly functions
  x86/tools/relocs: Ignore __kcfi_typeid_ relocations
  kallsyms: Drop CONFIG_CFI_CLANG workarounds
  objtool: Disable CFI warnings
  objtool: Preserve special st_shndx indexes in elf_update_symbol
  treewide: Drop __cficanonical
  treewide: Drop WARN_ON_FUNCTION_MISMATCH
  treewide: Drop function_nocfi
  init: Drop __nocfi from __init
  arm64: Drop unneeded __nocfi attributes
  arm64: Add CFI error handling
  arm64: Add types to indirect called assembly functions
  psci: Fix the function type for psci_initcall_t
  lkdtm: Emit an indirect call for CFI tests
  cfi: Add type helper macros
  cfi: Switch to -fsanitize=kcfi
  cfi: Drop __CFI_ADDRESSABLE
  cfi: Remove CONFIG_CFI_CLANG_SHADOW
  ...
2022-10-03 17:11:07 -07:00
Jakub Kicinski
a08d97a193 Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:

====================
pull-request: bpf-next 2022-10-03

We've added 143 non-merge commits during the last 27 day(s) which contain
a total of 151 files changed, 8321 insertions(+), 1402 deletions(-).

The main changes are:

1) Add kfuncs for PKCS#7 signature verification from BPF programs, from Roberto Sassu.

2) Add support for struct-based arguments for trampoline based BPF programs,
   from Yonghong Song.

3) Fix entry IP for kprobe-multi and trampoline probes under IBT enabled, from Jiri Olsa.

4) Batch of improvements to veristat selftest tool in particular to add CSV output,
   a comparison mode for CSV outputs and filtering, from Andrii Nakryiko.

5) Add preparatory changes needed for the BPF core for upcoming BPF HID support,
   from Benjamin Tissoires.

6) Support for direct writes to nf_conn's mark field from tc and XDP BPF program
   types, from Daniel Xu.

7) Initial batch of documentation improvements for BPF insn set spec, from Dave Thaler.

8) Add a new BPF_MAP_TYPE_USER_RINGBUF map which provides single-user-space-producer /
   single-kernel-consumer semantics for BPF ring buffer, from David Vernet.

9) Follow-up fixes to BPF allocator under RT to always use raw spinlock for the BPF
   hashtab's bucket lock, from Hou Tao.

10) Allow creating an iterator that loops through only the resources of one
    task/thread instead of all, from Kui-Feng Lee.

11) Add support for kptrs in the per-CPU arraymap, from Kumar Kartikeya Dwivedi.

12) Add a new kfunc helper for nf to set src/dst NAT IP/port in a newly allocated CT
    entry which is not yet inserted, from Lorenzo Bianconi.

13) Remove invalid recursion check for struct_ops for TCP congestion control BPF
    programs, from Martin KaFai Lau.

14) Fix W^X issue with BPF trampoline and BPF dispatcher, from Song Liu.

15) Fix percpu_counter leakage in BPF hashtab allocation error path, from Tetsuo Handa.

16) Various cleanups in BPF selftests to use preferred ASSERT_* macros, from Wang Yufen.

17) Add invocation for cgroup/connect{4,6} BPF programs for ICMP pings, from YiFei Zhu.

18) Lift blinding decision under bpf_jit_harden = 1 to bpf_capable(), from Yauheni Kaliuta.

19) Various libbpf fixes and cleanups including a libbpf NULL pointer deref, from Xin Liu.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (143 commits)
  net: netfilter: move bpf_ct_set_nat_info kfunc in nf_nat_bpf.c
  Documentation: bpf: Add implementation notes documentations to table of contents
  bpf, docs: Delete misformatted table.
  selftests/xsk: Fix double free
  bpftool: Fix error message of strerror
  libbpf: Fix overrun in netlink attribute iteration
  selftests/bpf: Fix spelling mistake "unpriviledged" -> "unprivileged"
  samples/bpf: Fix typo in xdp_router_ipv4 sample
  bpftool: Remove unused struct event_ring_info
  bpftool: Remove unused struct btf_attach_point
  bpf, docs: Add TOC and fix formatting.
  bpf, docs: Add Clang note about BPF_ALU
  bpf, docs: Move Clang notes to a separate file
  bpf, docs: Linux byteswap note
  bpf, docs: Move legacy packet instructions to a separate file
  selftests/bpf: Check -EBUSY for the recurred bpf_setsockopt(TCP_CONGESTION)
  bpf: tcp: Stop bpf_setsockopt(TCP_CONGESTION) in init ops to recur itself
  bpf: Refactor bpf_setsockopt(TCP_CONGESTION) handling into another function
  bpf: Move the "cdg" tcp-cc check to the common sol_tcp_sockopt()
  bpf: Add __bpf_prog_{enter,exit}_struct_ops for struct_ops trampoline
  ...
====================

Link: https://lore.kernel.org/r/20221003194915.11847-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-10-03 13:02:49 -07:00
Paolo Bonzini
e18d6152ff KVM/riscv changes for 6.1
- Improved instruction encoding infrastructure for
   instructions not yet supported by binutils
 - Svinval support for both KVM Host and KVM Guest
 - Zihintpause support for KVM Guest
 - Zicbom support for KVM Guest
 - Record number of signal exits as a VCPU stat
 - Use generic guest entry infrastructure
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Merge tag 'kvm-riscv-6.1-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv changes for 6.1

- Improved instruction encoding infrastructure for
  instructions not yet supported by binutils
- Svinval support for both KVM Host and KVM Guest
- Zihintpause support for KVM Guest
- Zicbom support for KVM Guest
- Record number of signal exits as a VCPU stat
- Use generic guest entry infrastructure
2022-10-03 15:33:43 -04:00
Paolo Bonzini
fe4d9e4abf KVM/arm64 updates for v6.1
- Fixes for single-stepping in the presence of an async
   exception as well as the preservation of PSTATE.SS
 
 - Better handling of AArch32 ID registers on AArch64-only
   systems
 
 - Fixes for the dirty-ring API, allowing it to work on
   architectures with relaxed memory ordering
 
 - Advertise the new kvmarm mailing list
 
 - Various minor cleanups and spelling fixes
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Merge tag 'kvmarm-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm64 updates for v6.1

- Fixes for single-stepping in the presence of an async
  exception as well as the preservation of PSTATE.SS

- Better handling of AArch32 ID registers on AArch64-only
  systems

- Fixes for the dirty-ring API, allowing it to work on
  architectures with relaxed memory ordering

- Advertise the new kvmarm mailing list

- Various minor cleanups and spelling fixes
2022-10-03 15:33:32 -04:00
Masahiro Yamada
ce697ccee1 kbuild: remove head-y syntax
Kbuild puts the objects listed in head-y at the head of vmlinux.
Conventionally, we do this for head*.S, which contains the kernel entry
point.

A counter approach is to control the section order by the linker script.
Actually, the code marked as __HEAD goes into the ".head.text" section,
which is placed before the normal ".text" section.

I do not know if both of them are needed. From the build system
perspective, head-y is not mandatory. If you can achieve the proper code
placement by the linker script only, it would be cleaner.

I collected the current head-y objects into head-object-list.txt. It is
a whitelist. My hope is it will be reduced in the long run.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2022-10-02 18:06:03 +09:00
Masahiro Yamada
3216484550 kbuild: use obj-y instead extra-y for objects placed at the head
The objects placed at the head of vmlinux need special treatments:

 - arch/$(SRCARCH)/Makefile adds them to head-y in order to place
   them before other archives in the linker command line.

 - arch/$(SRCARCH)/kernel/Makefile adds them to extra-y instead of
   obj-y to avoid them going into built-in.a.

This commit gets rid of the latter.

Create vmlinux.a to collect all the objects that are unconditionally
linked to vmlinux. The objects listed in head-y are moved to the head
of vmlinux.a by using 'ar m'.

With this, arch/$(SRCARCH)/kernel/Makefile can consistently use obj-y
for builtin objects.

There is no *.o that is directly linked to vmlinux. Drop unneeded code
in scripts/clang-tools/gen_compile_commands.py.

$(AR) mPi needs 'T' to workaround the llvm-ar bug. The fix was suggested
by Nathan Chancellor [1].

[1]: https://lore.kernel.org/llvm/YyjjT5gQ2hGMH0ni@dev-arch.thelio-3990X/

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2022-10-02 18:04:05 +09:00
Marc Zyngier
b302ca52ba Merge branch kvm-arm64/misc-6.1 into kvmarm-master/next
* kvm-arm64/misc-6.1:
  : .
  : Misc KVM/arm64 fixes and improvement for v6.1
  :
  : - Simplify the affinity check when moving a GICv3 collection
  :
  : - Tone down the shouting when kvm-arm.mode=protected is passed
  :   to a guest
  :
  : - Fix various comments
  :
  : - Advertise the new kvmarm@lists.linux.dev and deprecate the
  :   old Columbia list
  : .
  KVM: arm64: Advertise new kvmarm mailing list
  KVM: arm64: Fix comment typo in nvhe/switch.c
  KVM: selftests: Update top-of-file comment in psci_test
  KVM: arm64: Ignore kvm-arm.mode if !is_hyp_mode_available()
  KVM: arm64: vgic: Remove duplicate check in update_affinity_collection()

Signed-off-by: Marc Zyngier <maz@kernel.org>
2022-10-01 10:19:36 +01:00
Jakub Kicinski
915b96c527 wireless-next patches for v6.1
Few stack changes and lots of driver changes in this round. brcmfmac
 has more activity as usual and it gets new hardware support. ath11k
 improves WCN6750 support and also other smaller features. And of
 course changes all over.
 
 Note: in early September wireless tree was merged to wireless-next to
 avoid some conflicts with mac80211 patches, this shouldn't cause any
 problems but wanted to mention anyway.
 
 Major changes:
 
 mac80211
 
 * refactoring and preparation for Wi-Fi 7 Multi-Link Operation (MLO)
   feature continues
 
 brcmfmac
 
 * support CYW43439 SDIO chipset
 
 * support BCM4378 on Apple platforms
 
 * support CYW89459 PCIe chipset
 
 rtw89
 
 * more work to get rtw8852c supported
 
 * P2P support
 
 * support for enabling and disabling MSDU aggregation via nl80211
 
 mt76
 
 * tx status reporting improvements
 
 ath11k
 
 * cold boot calibration support on WCN6750
 
 * Target Wake Time (TWT) debugfs support for STA interface
 
 * support to connect to a non-transmit MBSSID AP profile
 
 * enable remain-on-channel support on WCN6750
 
 * implement SRAM dump debugfs interface
 
 * enable threaded NAPI on all hardware
 
 * WoW support for WCN6750
 
 * support to provide transmit power from firmware via nl80211
 
 * support to get power save duration for each client
 
 * spectral scan support for 160 MHz
 
 wcn36xx
 
 * add SNR from a received frame as a source of system entropy
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Merge tag 'wireless-next-2022-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Kalle Valo says:

====================
wireless-next patches for v6.1

Few stack changes and lots of driver changes in this round. brcmfmac
has more activity as usual and it gets new hardware support. ath11k
improves WCN6750 support and also other smaller features. And of
course changes all over.

Note: in early September wireless tree was merged to wireless-next to
avoid some conflicts with mac80211 patches, this shouldn't cause any
problems but wanted to mention anyway.

Major changes:

mac80211

 - refactoring and preparation for Wi-Fi 7 Multi-Link Operation (MLO)
  feature continues

brcmfmac

 - support CYW43439 SDIO chipset

 - support BCM4378 on Apple platforms

 - support CYW89459 PCIe chipset

rtw89

 - more work to get rtw8852c supported

 - P2P support

 - support for enabling and disabling MSDU aggregation via nl80211

mt76

 - tx status reporting improvements

ath11k

 - cold boot calibration support on WCN6750

 - Target Wake Time (TWT) debugfs support for STA interface

 - support to connect to a non-transmit MBSSID AP profile

 - enable remain-on-channel support on WCN6750

 - implement SRAM dump debugfs interface

 - enable threaded NAPI on all hardware

 - WoW support for WCN6750

 - support to provide transmit power from firmware via nl80211

 - support to get power save duration for each client

 - spectral scan support for 160 MHz

wcn36xx

 - add SNR from a received frame as a source of system entropy

* tag 'wireless-next-2022-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (231 commits)
  wifi: rtl8xxxu: Improve rtl8xxxu_queue_select
  wifi: rtl8xxxu: Fix AIFS written to REG_EDCA_*_PARAM
  wifi: rtl8xxxu: gen2: Enable 40 MHz channel width
  wifi: rtw89: 8852b: configure DLE mem
  wifi: rtw89: check DLE FIFO size with reserved size
  wifi: rtw89: mac: correct register of report IMR
  wifi: rtw89: pci: set power cut closed for 8852be
  wifi: rtw89: pci: add to do PCI auto calibration
  wifi: rtw89: 8852b: implement chip_ops::{enable,disable}_bb_rf
  wifi: rtw89: add DMA busy checking bits to chip info
  wifi: rtw89: mac: define DMA channel mask to avoid unsupported channels
  wifi: rtw89: pci: mask out unsupported TX channels
  iwlegacy: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
  ipw2x00: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
  wifi: iwlwifi: Track scan_cmd allocation size explicitly
  brcmfmac: Remove the call to "dtim_assoc" IOVAR
  brcmfmac: increase dcmd maximum buffer size
  brcmfmac: Support 89459 pcie
  brcmfmac: increase default max WOWL patterns to 16
  cw1200: fix incorrect check to determine if no element is found in list
  ...
====================

Link: https://lore.kernel.org/r/20220930150413.A7984C433D6@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-09-30 10:07:31 -07:00
Dmitry Torokhov
bd1a665a01 arm64: dts: exynos: fix polarity of "enable" line of NFC chip in TM2
According to s3fwrn5 driver code the "enable" GPIO line is driven "high"
when chip is not in use (mode is S3FWRN5_MODE_COLD), and is driven "low"
when chip is in use.

s3fwrn5_phy_power_ctrl():

	...
	gpio_set_value(phy->gpio_en, 1);
	...
	if (mode != S3FWRN5_MODE_COLD) {
		msleep(S3FWRN5_EN_WAIT_TIME);
		gpio_set_value(phy->gpio_en, 0);
		msleep(S3FWRN5_EN_WAIT_TIME);
	}

Therefore the line described by "en-gpios" property should be annotated
as "active low".

The wakeup gpio appears to have correct polarity (active high).

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20220929011557.4165216-1-dmitry.torokhov@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
2022-09-30 14:23:33 +02:00
Jianguo Zhang
7871785ce9 arm64: dts: mediatek: mt2712e: Update the name of property 'clk_csr'
Update the name of property 'clk_csr' as 'snps,clk-csr' to align with
the property name in the binding file.

Signed-off-by: Jianguo Zhang <jianguo.zhang@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-09-30 13:04:23 +01:00
Paolo Bonzini
c99ad25b0d Merge tag 'kvm-x86-6.1-2' of https://github.com/sean-jc/linux into HEAD
KVM x86 updates for 6.1, batch #2:

 - Misc PMU fixes and cleanups.

 - Fixes for Hyper-V hypercall selftest
2022-09-30 07:09:48 -04:00
Catalin Marinas
53630a1f61 Merge branch 'for-next/misc' into for-next/core
* for-next/misc:
  : Miscellaneous patches
  arm64/kprobe: Optimize the performance of patching single-step slot
  ARM64: reloc_test: add __init/__exit annotations to module init/exit funcs
  arm64/mm: fold check for KFENCE into can_set_direct_map()
  arm64: uaccess: simplify uaccess_mask_ptr()
  arm64: mte: move register initialization to C
  arm64: mm: handle ARM64_KERNEL_USES_PMD_MAPS in vmemmap_populate()
  arm64: dma: Drop cache invalidation from arch_dma_prep_coherent()
  arm64: support huge vmalloc mappings
  arm64: spectre: increase parameters that can be used to turn off bhb mitigation individually
  arm64: run softirqs on the per-CPU IRQ stack
  arm64: compat: Implement misalignment fixups for multiword loads
2022-09-30 09:18:26 +01:00
Catalin Marinas
c704cf27a1 Merge branch 'for-next/alternatives' into for-next/core
* for-next/alternatives:
  : Alternatives (code patching) improvements
  arm64: fix the build with binutils 2.27
  arm64: avoid BUILD_BUG_ON() in alternative-macros
  arm64: alternatives: add shared NOP callback
  arm64: alternatives: add alternative_has_feature_*()
  arm64: alternatives: have callbacks take a cap
  arm64: alternatives: make alt_region const
  arm64: alternatives: hoist print out of __apply_alternatives()
  arm64: alternatives: proton-pack: prepare for cap changes
  arm64: alternatives: kvm: prepare for cap changes
  arm64: cpufeature: make cpus_have_cap() noinstr-safe
2022-09-30 09:18:22 +01:00
Catalin Marinas
b23ec74cbd Merge branches 'for-next/doc', 'for-next/sve', 'for-next/sysreg', 'for-next/gettimeofday', 'for-next/stacktrace', 'for-next/atomics', 'for-next/el1-exceptions', 'for-next/a510-erratum-2658417', 'for-next/defconfig', 'for-next/tpidr2_el0' and 'for-next/ftrace', remote-tracking branch 'arm64/for-next/perf' into for-next/core
* arm64/for-next/perf:
  arm64: asm/perf_regs.h: Avoid C++-style comment in UAPI header
  arm64/sve: Add Perf extensions documentation
  perf: arm64: Add SVE vector granule register to user regs
  MAINTAINERS: add maintainers for Alibaba' T-Head PMU driver
  drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC
  docs: perf: Add description for Alibaba's T-Head PMU driver

* for-next/doc:
  : Documentation/arm64 updates
  arm64/sve: Document our actual ABI for clearing registers on syscall

* for-next/sve:
  : SVE updates
  arm64/sysreg: Add hwcap for SVE EBF16

* for-next/sysreg: (35 commits)
  : arm64 system registers generation (more conversions)
  arm64/sysreg: Fix a few missed conversions
  arm64/sysreg: Convert ID_AA64AFRn_EL1 to automatic generation
  arm64/sysreg: Convert ID_AA64DFR1_EL1 to automatic generation
  arm64/sysreg: Convert ID_AA64FDR0_EL1 to automatic generation
  arm64/sysreg: Use feature numbering for PMU and SPE revisions
  arm64/sysreg: Add _EL1 into ID_AA64DFR0_EL1 definition names
  arm64/sysreg: Align field names in ID_AA64DFR0_EL1 with architecture
  arm64/sysreg: Add defintion for ALLINT
  arm64/sysreg: Convert SCXTNUM_EL1 to automatic generation
  arm64/sysreg: Convert TIPDR_EL1 to automatic generation
  arm64/sysreg: Convert ID_AA64PFR1_EL1 to automatic generation
  arm64/sysreg: Convert ID_AA64PFR0_EL1 to automatic generation
  arm64/sysreg: Convert ID_AA64MMFR2_EL1 to automatic generation
  arm64/sysreg: Convert ID_AA64MMFR1_EL1 to automatic generation
  arm64/sysreg: Convert ID_AA64MMFR0_EL1 to automatic generation
  arm64/sysreg: Convert HCRX_EL2 to automatic generation
  arm64/sysreg: Standardise naming of ID_AA64PFR1_EL1 SME enumeration
  arm64/sysreg: Standardise naming of ID_AA64PFR1_EL1 BTI enumeration
  arm64/sysreg: Standardise naming of ID_AA64PFR1_EL1 fractional version fields
  arm64/sysreg: Standardise naming for MTE feature enumeration
  ...

* for-next/gettimeofday:
  : Use self-synchronising counter access in gettimeofday() (if FEAT_ECV)
  arm64: vdso: use SYS_CNTVCTSS_EL0 for gettimeofday
  arm64: alternative: patch alternatives in the vDSO
  arm64: module: move find_section to header

* for-next/stacktrace:
  : arm64 stacktrace cleanups and improvements
  arm64: stacktrace: track hyp stacks in unwinder's address space
  arm64: stacktrace: track all stack boundaries explicitly
  arm64: stacktrace: remove stack type from fp translator
  arm64: stacktrace: rework stack boundary discovery
  arm64: stacktrace: add stackinfo_on_stack() helper
  arm64: stacktrace: move SDEI stack helpers to stacktrace code
  arm64: stacktrace: rename unwind_next_common() -> unwind_next_frame_record()
  arm64: stacktrace: simplify unwind_next_common()
  arm64: stacktrace: fix kerneldoc comments

* for-next/atomics:
  : arm64 atomics improvements
  arm64: atomic: always inline the assembly
  arm64: atomics: remove LL/SC trampolines

* for-next/el1-exceptions:
  : Improve the reporting of EL1 exceptions
  arm64: rework BTI exception handling
  arm64: rework FPAC exception handling
  arm64: consistently pass ESR_ELx to die()
  arm64: die(): pass 'err' as long
  arm64: report EL1 UNDEFs better

* for-next/a510-erratum-2658417:
  : Cortex-A510: 2658417: remove BF16 support due to incorrect result
  arm64: errata: remove BF16 HWCAP due to incorrect result on Cortex-A510
  arm64: cpufeature: Expose get_arm64_ftr_reg() outside cpufeature.c
  arm64: cpufeature: Force HWCAP to be based on the sysreg visible to user-space

* for-next/defconfig:
  : arm64 defconfig updates
  arm64: defconfig: Add Coresight as module
  arm64: Enable docker support in defconfig
  arm64: defconfig: Enable memory hotplug and hotremove config
  arm64: configs: Enable all PMUs provided by Arm

* for-next/tpidr2_el0:
  : arm64 ptrace() support for TPIDR2_EL0
  kselftest/arm64: Add coverage of TPIDR2_EL0 ptrace interface
  arm64/ptrace: Support access to TPIDR2_EL0
  arm64/ptrace: Document extension of NT_ARM_TLS to cover TPIDR2_EL0
  kselftest/arm64: Add test coverage for NT_ARM_TLS

* for-next/ftrace:
  : arm64 ftraces updates/fixes
  arm64: ftrace: fix module PLTs with mcount
  arm64: module: Remove unused plt_entry_is_initialized()
  arm64: module: Make plt_equals_entry() static
2022-09-30 09:17:57 +01:00
Liao Chang
a0caebbd04 arm64/kprobe: Optimize the performance of patching single-step slot
Single-step slot would not be used until kprobe is enabled, that means
no race condition occurs on it under SMP, hence it is safe to pacth ss
slot without stopping machine.

Since I and D caches are coherent within single-step slot from
aarch64_insn_patch_text_nosync(), hence no need to do it again via
flush_icache_range().

Acked-by: Will Deacon <will@kernel.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Liao Chang <liaochang1@huawei.com>
Link: https://lore.kernel.org/r/20220927022435.129965-4-liaochang1@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-09-30 09:17:15 +01:00
Jakub Kicinski
accc3b4a57 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-09-29 14:30:51 -07:00
James Clark
d56f66d2bd arm64: defconfig: Add Coresight as module
Add Coresight to defconfig so that build errors are caught.
CONFIG_CORESIGHT_SOURCE_ETM4X is excluded because it depends on
CONFIG_PID_IN_CONTEXTIDR which has a performance cost.

Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20220922142400.478815-2-james.clark@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-09-29 18:14:20 +01:00
Xiu Jianfeng
8c6e3657be ARM64: reloc_test: add __init/__exit annotations to module init/exit funcs
Add missing __init/__exit annotations to module init/exit funcs.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Link: https://lore.kernel.org/r/20220911034747.132098-1-xiujianfeng@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-09-29 18:04:25 +01:00
Mike Rapoport
b9dd04a20f arm64/mm: fold check for KFENCE into can_set_direct_map()
KFENCE requires linear map to be mapped at page granularity, so that it
is possible to protect/unprotect single pages, just like with
rodata_full and DEBUG_PAGEALLOC.

Instead of repating

	can_set_direct_map() || IS_ENABLED(CONFIG_KFENCE)

make can_set_direct_map() handle the KFENCE case.

This also prevents potential false positives in kernel_page_present()
that may return true for non-present page if CONFIG_KFENCE is enabled.

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20220921074841.382615-1-rppt@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-09-29 17:59:28 +01:00
Mark Rutland
8cfb08575c arm64: ftrace: fix module PLTs with mcount
Li Huafei reports that mcount-based ftrace with module PLTs was broken
by commit:

  a625357997 ("arm64: ftrace: consistently handle PLTs.")

When a module PLTs are used and a module is loaded sufficiently far away
from the kernel, we'll create PLTs for any branches which are
out-of-range. These are separate from the special ftrace trampoline
PLTs, which the module PLT code doesn't directly manipulate.

When mcount is in use this is a problem, as each mcount callsite in a
module will be initialized to point to a module PLT, but since commit
a625357997 ftrace_make_nop() will assume that the callsite has
been initialized to point to the special ftrace trampoline PLT, and
ftrace_find_callable_addr() rejects other cases.

This means that when ftrace tries to initialize a callsite via
ftrace_make_nop(), the call to ftrace_find_callable_addr() will find
that the `_mcount` stub is out-of-range and is not handled by the ftrace
PLT, resulting in a splat:

| ftrace_test: loading out-of-tree module taints kernel.
| ftrace: no module PLT for _mcount
| ------------[ ftrace bug ]------------
| ftrace failed to modify
| [<ffff800029180014>] 0xffff800029180014
|  actual:   44:00:00:94
| Initializing ftrace call sites
| ftrace record flags: 2000000
|  (0)
|  expected tramp: ffff80000802eb3c
| ------------[ cut here ]------------
| WARNING: CPU: 3 PID: 157 at kernel/trace/ftrace.c:2120 ftrace_bug+0x94/0x270
| Modules linked in:
| CPU: 3 PID: 157 Comm: insmod Tainted: G           O       6.0.0-rc6-00151-gcd722513a189-dirty #22
| Hardware name: linux,dummy-virt (DT)
| pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
| pc : ftrace_bug+0x94/0x270
| lr : ftrace_bug+0x21c/0x270
| sp : ffff80000b2bbaf0
| x29: ffff80000b2bbaf0 x28: 0000000000000000 x27: ffff0000c4d38000
| x26: 0000000000000001 x25: ffff800009d7e000 x24: ffff0000c4d86e00
| x23: 0000000002000000 x22: ffff80000a62b000 x21: ffff8000098ebea8
| x20: ffff0000c4d38000 x19: ffff80000aa24158 x18: ffffffffffffffff
| x17: 0000000000000000 x16: 0a0d2d2d2d2d2d2d x15: ffff800009aa9118
| x14: 0000000000000000 x13: 6333626532303830 x12: 3030303866666666
| x11: 203a706d61727420 x10: 6465746365707865 x9 : 3362653230383030
| x8 : c0000000ffffefff x7 : 0000000000017fe8 x6 : 000000000000bff4
| x5 : 0000000000057fa8 x4 : 0000000000000000 x3 : 0000000000000001
| x2 : ad2cb14bb5438900 x1 : 0000000000000000 x0 : 0000000000000022
| Call trace:
|  ftrace_bug+0x94/0x270
|  ftrace_process_locs+0x308/0x430
|  ftrace_module_init+0x44/0x60
|  load_module+0x15b4/0x1ce8
|  __do_sys_init_module+0x1ec/0x238
|  __arm64_sys_init_module+0x24/0x30
|  invoke_syscall+0x54/0x118
|  el0_svc_common.constprop.4+0x84/0x100
|  do_el0_svc+0x3c/0xd0
|  el0_svc+0x1c/0x50
|  el0t_64_sync_handler+0x90/0xb8
|  el0t_64_sync+0x15c/0x160
| ---[ end trace 0000000000000000 ]---
| ---------test_init-----------

Fix this by reverting to the old behaviour of ignoring the old
instruction when initialising an mcount callsite in a module, which was
the behaviour prior to commit a625357997.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Fixes: a625357997 ("arm64: ftrace: consistently handle PLTs.")
Reported-by: Li Huafei <lihuafei1@huawei.com>
Link: https://lore.kernel.org/linux-arm-kernel/20220929094134.99512-1-lihuafei1@huawei.com
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20220929134525.798593-1-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-09-29 17:47:54 +01:00
Li Huafei
5de2291605 arm64: module: Remove unused plt_entry_is_initialized()
Since commit f1a54ae9af ("arm64: module/ftrace: intialize PLT at load
time"), plt_entry_is_initialized() is unused anymore , so remove it.

Signed-off-by: Li Huafei <lihuafei1@huawei.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220929094134.99512-3-lihuafei1@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-09-29 17:47:18 +01:00
Li Huafei
3fb420f56c arm64: module: Make plt_equals_entry() static
Since commit 4e69ecf4da ("arm64/module: ftrace: deal with place
relative nature of PLTs"), plt_equals_entry() is not used outside of
module-plts.c, so make it static.

Signed-off-by: Li Huafei <lihuafei1@huawei.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220929094134.99512-2-lihuafei1@huawei.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-09-29 17:47:18 +01:00
Mark Rutland
ba00c2a04f arm64: fix the build with binutils 2.27
Jon Hunter reports that for some toolchains the build has been broken
since commit:

  4c0bd995d7 ("arm64: alternatives: have callbacks take a cap")

... with a stream of build-time splats of the form:

|   CC      arch/arm64/kvm/hyp/vhe/debug-sr.o
| /tmp/ccY3kbki.s: Assembler messages:
| /tmp/ccY3kbki.s:1600: Error: found 'L', expected: ')'
| /tmp/ccY3kbki.s:1600: Error: found 'L', expected: ')'
| /tmp/ccY3kbki.s:1600: Error: found 'L', expected: ')'
| /tmp/ccY3kbki.s:1600: Error: found 'L', expected: ')'
| /tmp/ccY3kbki.s:1600: Error: junk at end of line, first unrecognized character
| is `L'
| /tmp/ccY3kbki.s:1723: Error: found 'L', expected: ')'
| /tmp/ccY3kbki.s:1723: Error: found 'L', expected: ')'
| /tmp/ccY3kbki.s:1723: Error: found 'L', expected: ')'
| /tmp/ccY3kbki.s:1723: Error: found 'L', expected: ')'
| /tmp/ccY3kbki.s:1723: Error: junk at end of line, first unrecognized character
| is `L'
| scripts/Makefile.build:249: recipe for target
| 'arch/arm64/kvm/hyp/vhe/debug-sr.o' failed

The issue here is that older versions of binutils (up to and including
2.27.0) don't like an 'L' suffix on constants. For plain assembly files,
UL() avoids this suffix, but in C files this gets added, and so for
inline assembly we can't directly use a constant defined with `UL()`.

We could avoid this by passing the constant as an input parameter, but
this isn't practical given the way we use the alternative macros.
Instead, just open code the constant without the `UL` suffix, and for
consistency do this for both the inline assembly macro and the regular
assembly macro.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Fixes: 4c0bd995d7 ("arm64: alternatives: have callbacks take a cap")
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/linux-arm-kernel/3cecc3a5-30b0-f0bd-c3de-9e09bd21909b@nvidia.com/
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20220929150227.1028556-1-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2022-09-29 17:43:32 +01:00
Wei-Lin Chang
43b233b158 KVM: arm64: Fix comment typo in nvhe/switch.c
Fix the comment of __hyp_vgic_restore_state() from saying VEH to VHE,
also change the underscore to a dash to match the comment
above __hyp_vgic_save_state().

Signed-off-by: Wei-Lin Chang <r09922117@csie.ntu.edu.tw>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220929042839.24277-1-r09922117@csie.ntu.edu.tw
2022-09-29 09:07:08 +01:00
Arnd Bergmann
302c9454e4 Merge branch 'uniphier/dt' into arm/dt
Updates from Kunihiko Hayashi via email:

 "Update devicetree sources for UniPhier armv8 SoCs to remove dtschema
  warnings, add support existing features that haven't yet been
  described, and replace constants with macros."

* uniphier/dt:
  arm64: dts: uniphier: Add L2 cache node
  arm64: dts: uniphier: Remove compatible "snps,dw-pcie" from pcie node
  arm64: dts: uniphier: Fix opp-table node name for LD20
  arm64: dts: uniphier: Add USB-device support for PXs3 reference board
  arm64: dts: uniphier: Add ahci controller nodes for PXs3
  arm64: dts: uniphier: Use GIC interrupt definitions
  arm64: dts: uniphier: Rename gpio-hog nodes
  arm64: dts: uniphier: Rename usb-glue node for USB3 to usb-controller
  arm64: dts: uniphier: Rename usb-phy node for USB2 to usb-controller
  arm64: dts: uniphier: Rename pvtctl node to thermal-sensor
  ARM: dts: uniphier: Remove compatible "snps,dw-pcie-ep" from pcie-ep node
  ARM: dts: uniphier: Move interrupt-parent property to each child node in uniphier-support-card
  ARM: dts: uniphier: Add ahci controller nodes for PXs2
  ARM: dts: uniphier: Add ahci controller nodes for Pro4
  ARM: dts: uniphier: Use GIC interrupt definitions
  ARM: dts: uniphier: Rename gpio-hog node
  ARM: dts: uniphier: Rename usb-glue node for USB3 to usb-controller
  ARM: dts: uniphier: Rename usb-phy node for USB2 to usb-controller
  ARM: dts: uniphier: Rename pvtctl node to thermal-sensor
2022-09-28 22:42:25 +02:00
Kunihiko Hayashi
5381a96cd9
arm64: dts: uniphier: Add L2 cache node
Add a L2 cache node referenced from CPU nodes as the missing cache hierarchy
information because the following warning was issued.

  cacheinfo: Unable to detect cache hierarchy for CPU 0
  Early cacheinfo failed, ret = -2

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-11-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:48 +02:00
Kunihiko Hayashi
d93ecbf569
arm64: dts: uniphier: Remove compatible "snps,dw-pcie" from pcie node
The generic platform driver pcie-designware-plat.c doesn't work for
UniPhier PCIe host controller, because the controller has some
necessary initialization sequence for the controller-specific logic.

Currently the controller doesn't use "snps,dw-pcie" compatible,
so this is no longer needed. Remove the compatible string from the
pcie node.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-10-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:47 +02:00
Kunihiko Hayashi
4ff64e7089
arm64: dts: uniphier: Fix opp-table node name for LD20
To fix dtbs_check warning:

uniphier-ld20-akebi96.dt.yaml: opp-table0: $nodename:0: 'opp-table0' does not match '^opp-table(-[a-z0-9]+)?$'
        From schema: Documentation/devicetree/bindings/opp/opp-v2.yaml

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-9-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:47 +02:00
Kunihiko Hayashi
19fee1a109
arm64: dts: uniphier: Add USB-device support for PXs3 reference board
PXs3 reference board can change each USB port 0 and 1 to device mode
with jumpers. Prepare devicetree sources for USB port 0 and 1.

This specifies dr_mode, pinctrl, and some quirks and removes nodes for
unused phys and vbus-supply properties.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-8-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:47 +02:00
Kunihiko Hayashi
23e001e75d
arm64: dts: uniphier: Add ahci controller nodes for PXs3
Add ahci core controller and glue layer nodes including reset-controller
and sata-phy.

This supports for PXs3 and the boards.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-7-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:47 +02:00
Kunihiko Hayashi
5ba95e8ec2
arm64: dts: uniphier: Use GIC interrupt definitions
Use human-readable definitions for GIC interrupt type and flag, instead of
hard-coding the numbers. No functional change.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-6-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:46 +02:00
Kunihiko Hayashi
173b9b8e5f
arm64: dts: uniphier: Rename gpio-hog nodes
According to gpio-hog schema, should add the suffix "-hog" to the node
names including gpio-hog to fix the following warning.

  uniphier-ld11-ref.dtb: gpio@55000000: 'xirq0' does not match any of the regexes: '^.+-hog(-[0-9+)?$', 'pinctrl-[0-9]+'
      From schema: Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml

This applies to the devicetre for LD11, LD20 and PXs3 SoCs.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-5-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:46 +02:00
Kunihiko Hayashi
4cc752a88c
arm64: dts: uniphier: Rename usb-glue node for USB3 to usb-controller
This "usb-glue" stands for an external controller associated with USB core,
however, this is not common. So rename to "usb-controller".

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-4-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:46 +02:00
Kunihiko Hayashi
8fa3e65857
arm64: dts: uniphier: Rename usb-phy node for USB2 to usb-controller
Actual phy nodes are each child node. The parent node should be
usb-controller node as a representation of the phy integration.
This applies to the devicetree for LD11 SoC.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-3-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:46 +02:00
Kunihiko Hayashi
2dfb62d6ce
arm64: dts: uniphier: Rename pvtctl node to thermal-sensor
The pvtctl node belongs to thermal-sensor, so the node name should be
renamed to thermal-sensor.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-2-hayashi.kunihiko@socionext.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:41:46 +02:00
Arnd Bergmann
25631f1fec Enable Synopsys DWC MSHC (sdhci) driver in the defconfig.
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Merge tag 'v6.1-rockchip-defconfig64-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/defconfig

Enable Synopsys DWC MSHC (sdhci) driver in the defconfig.

* tag 'v6.1-rockchip-defconfig64-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  arm64: defconfig: Enable Synopsys DWC MSHC driver

Link: https://lore.kernel.org/r/1989419.QkHrqEjB74@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:35:15 +02:00
Arnd Bergmann
286c1d1c30 RK3399-Nanopi-R4S-enterprise as variant board, Gru-Scarlet SKU variants,
DSI support for rk356x, display-gamma-control for rk3399, display
 output for quartz64-b and rk3566-roc-pc, hdmi supplies for rk3399-roc-pc,
 some pinctrl improvements for the px30-evb and a number of changes to
 bring rk3399 rock4 and rock-pi4 structure closer to names used in schematics.
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Merge tag 'v6.1-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/dt

RK3399-Nanopi-R4S-enterprise as variant board, Gru-Scarlet SKU variants,
DSI support for rk356x, display-gamma-control for rk3399, display
output for quartz64-b and rk3566-roc-pc, hdmi supplies for rk3399-roc-pc,
some pinctrl improvements for the px30-evb and a number of changes to
bring rk3399 rock4 and rock-pi4 structure closer to names used in schematics.

* tag 'v6.1-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  arm64: dts: rockchip: use pin constant for reset-gpios on px30-evb
  arm64: dts: rockchip: add pinctrl for mipi-pdn pin on px30-evb
  arm64: dts: rockchip: set max drive-strength for cif_clkout_m0 on px30-evb
  arm64: dts: rockchip: add avdd-0v9-supply and avdd-1v8-supply on rk3399 rock 4c and pi4
  arm64: dts: rockchip: sort nodes/properties on rk3399-rock-4
  arm64: dts: rockchip: fix regulator name on rk3399-rock-4
  arm64: dts: rockchip: sort nodes/properties on rk3399-rock-4c-plus
  arm64: dts: rockchip: fix regulator structure on rk3399-rock-4c-plus
  arm64: dts: rockchip: connect vcca_1v8 to APIO5_VDD on rk3399-rock-4c-plus
  arm64: dts: rockchip: Add DSI and DSI-DPHY nodes to rk356x
  arm64: dts: rockchip: Enable HDMI and GPU on quartz64-b
  arm64: dts: rockchip: Add RK3399 NanoPi R4S Enterprise Edition
  dt-bindings: Add doc for FriendlyARM NanoPi R4S Enterprise Edition
  arm64: dts: rockchip: add i2s0 I2S/PDM/TDM 8ch controller to px30
  arm64: dts: rockchip: Add HDMI supplies on rk3399-roc-pc
  arm64: dts: rockchip: Support gru-scarlet sku{2,4} variants
  dt-bindings: arm: rockchip: Add gru-scarlet sku{2,4} variants
  arm64: dts: rockchip: enable gamma control on RK3399
  arm64: dts: rockchip: Enable video output on rk3566-roc-pc

Link: https://lore.kernel.org/r/38114097.10thIPus4b@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-28 22:26:21 +02:00
Li kunyu
d5ebde1e2b hyperv: simplify and rename generate_guest_id
The generate_guest_id function is more suitable for use after the
following modifications.

1. The return value of the function is modified to u64.
2. Remove the d_info1 and d_info2 parameters from the function, keep the
   u64 type kernel_version parameter.
3. Rename the function to make it clearly a Hyper-V related function,
   and modify it to hv_generate_guest_id.

Signed-off-by: Li kunyu <kunyu@nfschina.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20220928064046.3545-1-kunyu@nfschina.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
2022-09-28 13:36:56 +00:00
Linus Torvalds
49c13ed031 ARM: SoC fixes for 6.0-rc7
This should be the last set of bugfixes in the SoC tree:
 
  - Two fixes for Arm integrator, dealing with a regression caused
    by invalid DT properties combined with a change in dma address
    translation, and missing device_type annotations on the PCI
    bus.
 
  - Fixes for drivers/reset/, addressing bugs in i.MX8MP, Sparx5 and
    NPCM8XX platforms.
 
  - Bjorn Andersson's email address changes in the MAINTAINERS file
 
  - Multiple minor fixes to Qualcomm dts files, and a change to the
    remoteproc firmware filename that did not match the actual
    path in the linux-firmware package.
 
  - Minor code fixes for the Allwinner/sunxi SRAM driver, and the
    broadcom STB Bus Interface Unit driver
 
  - A build fix for the sunplus sp7021 platform
 
  - Two dts fixes for TI OMAP family SoCs, addressing an extraneous
    usb4 device node and an incorrect DMA handle.
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Merge tag 'soc-fixes-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "This should be the last set of bugfixes in the SoC tree:

   - Two fixes for Arm integrator, dealing with a regression caused by
     invalid DT properties combined with a change in dma address
     translation, and missing device_type annotations on the PCI bus

   - Fixes for drivers/reset/, addressing bugs in i.MX8MP, Sparx5 and
     NPCM8XX platforms

   - Bjorn Andersson's email address changes in the MAINTAINERS file

   - Multiple minor fixes to Qualcomm dts files, and a change to the
     remoteproc firmware filename that did not match the actual path in
     the linux-firmware package

   - Minor code fixes for the Allwinner/sunxi SRAM driver, and the
     broadcom STB Bus Interface Unit driver

   - A build fix for the sunplus sp7021 platform

   - Two dts fixes for TI OMAP family SoCs, addressing an extraneous
     usb4 device node and an incorrect DMA handle"

* tag 'soc-fixes-6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: dts: integrator: Fix DMA ranges
  ARM: dts: integrator: Tag PCI host with device_type
  ARM: sunplus: fix serial console kconfig and build problems
  reset: npcm: fix iprst2 and iprst4 setting
  arm64: dts: qcom: sm8350: fix UFS PHY serdes size
  soc: bcm: brcmstb: biuctrl: Avoid double of_node_put()
  arm64: dts: qcom: sc8280xp-x13s: Update firmware location
  soc: sunxi: sram: Fix debugfs info for A64 SRAM C
  soc: sunxi: sram: Fix probe function ordering issues
  soc: sunxi: sram: Prevent the driver from being unbound
  soc: sunxi: sram: Actually claim SRAM regions
  ARM: dts: am5748: keep usb4_tm disabled
  reset: microchip-sparx5: issue a reset on startup
  reset: imx7: Fix the iMX8MP PCIe PHY PERST support
  MAINTAINERS: Update Bjorn's email address
  arm64: dts: qcom: sc7280: move USB wakeup-source property
  arm64: dts: qcom: thinkpad-x13s: Fix firmware location
  arm64: dts: qcom: sm8150: Fix fastrpc iommu values
  ARM: dts: am33xx: Fix MMCHS0 dma properties
2022-09-27 16:49:42 -07:00
Liam R. Howlett
ef770d180e arm64: Change elfcore for_each_mte_vma() to use VMA iterator
Rework for_each_mte_vma() to use a VMA iterator instead of an explicit
linked-list.

Link: https://lkml.kernel.org/r/20220906194824.2110408-32-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220218023650.672072-1-Liam.Howlett@oracle.com
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:19 -07:00
Matthew Wilcox (Oracle)
de2b84d24b arm64: remove mmap linked list from vdso
Use the VMA iterator instead.

Link: https://lkml.kernel.org/r/20220906194824.2110408-31-Liam.Howlett@oracle.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:19 -07:00
Yu Zhao
e1fd09e3d1 mm: x86, arm64: add arch_has_hw_pte_young()
Patch series "Multi-Gen LRU Framework", v14.

What's new
==========
1. OpenWrt, in addition to Android, Arch Linux Zen, Armbian, ChromeOS,
   Liquorix, post-factum and XanMod, is now shipping MGLRU on 5.15.
2. Fixed long-tailed direct reclaim latency seen on high-memory (TBs)
   machines. The old direct reclaim backoff, which tries to enforce a
   minimum fairness among all eligible memcgs, over-swapped by about
   (total_mem>>DEF_PRIORITY)-nr_to_reclaim. The new backoff, which
   pulls the plug on swapping once the target is met, trades some
   fairness for curtailed latency:
   https://lore.kernel.org/r/20220918080010.2920238-10-yuzhao@google.com/
3. Fixed minior build warnings and conflicts. More comments and nits.

TLDR
====
The current page reclaim is too expensive in terms of CPU usage and it
often makes poor choices about what to evict. This patchset offers an
alternative solution that is performant, versatile and
straightforward.

Patchset overview
=================
The design and implementation overview is in patch 14:
https://lore.kernel.org/r/20220918080010.2920238-15-yuzhao@google.com/

01. mm: x86, arm64: add arch_has_hw_pte_young()
02. mm: x86: add CONFIG_ARCH_HAS_NONLEAF_PMD_YOUNG
Take advantage of hardware features when trying to clear the accessed
bit in many PTEs.

03. mm/vmscan.c: refactor shrink_node()
04. Revert "include/linux/mm_inline.h: fold __update_lru_size() into
    its sole caller"
Minor refactors to improve readability for the following patches.

05. mm: multi-gen LRU: groundwork
Adds the basic data structure and the functions that insert pages to
and remove pages from the multi-gen LRU (MGLRU) lists.

06. mm: multi-gen LRU: minimal implementation
A minimal implementation without optimizations.

07. mm: multi-gen LRU: exploit locality in rmap
Exploits spatial locality to improve efficiency when using the rmap.

08. mm: multi-gen LRU: support page table walks
Further exploits spatial locality by optionally scanning page tables.

09. mm: multi-gen LRU: optimize multiple memcgs
Optimizes the overall performance for multiple memcgs running mixed
types of workloads.

10. mm: multi-gen LRU: kill switch
Adds a kill switch to enable or disable MGLRU at runtime.

11. mm: multi-gen LRU: thrashing prevention
12. mm: multi-gen LRU: debugfs interface
Provide userspace with features like thrashing prevention, working set
estimation and proactive reclaim.

13. mm: multi-gen LRU: admin guide
14. mm: multi-gen LRU: design doc
Add an admin guide and a design doc.

Benchmark results
=================
Independent lab results
-----------------------
Based on the popularity of searches [01] and the memory usage in
Google's public cloud, the most popular open-source memory-hungry
applications, in alphabetical order, are:
      Apache Cassandra      Memcached
      Apache Hadoop         MongoDB
      Apache Spark          PostgreSQL
      MariaDB (MySQL)       Redis

An independent lab evaluated MGLRU with the most widely used benchmark
suites for the above applications. They posted 960 data points along
with kernel metrics and perf profiles collected over more than 500
hours of total benchmark time. Their final reports show that, with 95%
confidence intervals (CIs), the above applications all performed
significantly better for at least part of their benchmark matrices.

On 5.14:
1. Apache Spark [02] took 95% CIs [9.28, 11.19]% and [12.20, 14.93]%
   less wall time to sort three billion random integers, respectively,
   under the medium- and the high-concurrency conditions, when
   overcommitting memory. There were no statistically significant
   changes in wall time for the rest of the benchmark matrix.
2. MariaDB [03] achieved 95% CIs [5.24, 10.71]% and [20.22, 25.97]%
   more transactions per minute (TPM), respectively, under the medium-
   and the high-concurrency conditions, when overcommitting memory.
   There were no statistically significant changes in TPM for the rest
   of the benchmark matrix.
3. Memcached [04] achieved 95% CIs [23.54, 32.25]%, [20.76, 41.61]%
   and [21.59, 30.02]% more operations per second (OPS), respectively,
   for sequential access, random access and Gaussian (distribution)
   access, when THP=always; 95% CIs [13.85, 15.97]% and
   [23.94, 29.92]% more OPS, respectively, for random access and
   Gaussian access, when THP=never. There were no statistically
   significant changes in OPS for the rest of the benchmark matrix.
4. MongoDB [05] achieved 95% CIs [2.23, 3.44]%, [6.97, 9.73]% and
   [2.16, 3.55]% more operations per second (OPS), respectively, for
   exponential (distribution) access, random access and Zipfian
   (distribution) access, when underutilizing memory; 95% CIs
   [8.83, 10.03]%, [21.12, 23.14]% and [5.53, 6.46]% more OPS,
   respectively, for exponential access, random access and Zipfian
   access, when overcommitting memory.

On 5.15:
5. Apache Cassandra [06] achieved 95% CIs [1.06, 4.10]%, [1.94, 5.43]%
   and [4.11, 7.50]% more operations per second (OPS), respectively,
   for exponential (distribution) access, random access and Zipfian
   (distribution) access, when swap was off; 95% CIs [0.50, 2.60]%,
   [6.51, 8.77]% and [3.29, 6.75]% more OPS, respectively, for
   exponential access, random access and Zipfian access, when swap was
   on.
6. Apache Hadoop [07] took 95% CIs [5.31, 9.69]% and [2.02, 7.86]%
   less average wall time to finish twelve parallel TeraSort jobs,
   respectively, under the medium- and the high-concurrency
   conditions, when swap was on. There were no statistically
   significant changes in average wall time for the rest of the
   benchmark matrix.
7. PostgreSQL [08] achieved 95% CI [1.75, 6.42]% more transactions per
   minute (TPM) under the high-concurrency condition, when swap was
   off; 95% CIs [12.82, 18.69]% and [22.70, 46.86]% more TPM,
   respectively, under the medium- and the high-concurrency
   conditions, when swap was on. There were no statistically
   significant changes in TPM for the rest of the benchmark matrix.
8. Redis [09] achieved 95% CIs [0.58, 5.94]%, [6.55, 14.58]% and
   [11.47, 19.36]% more total operations per second (OPS),
   respectively, for sequential access, random access and Gaussian
   (distribution) access, when THP=always; 95% CIs [1.27, 3.54]%,
   [10.11, 14.81]% and [8.75, 13.64]% more total OPS, respectively,
   for sequential access, random access and Gaussian access, when
   THP=never.

Our lab results
---------------
To supplement the above results, we ran the following benchmark suites
on 5.16-rc7 and found no regressions [10].
      fs_fio_bench_hdd_mq      pft
      fs_lmbench               pgsql-hammerdb
      fs_parallelio            redis
      fs_postmark              stream
      hackbench                sysbenchthread
      kernbench                tpcc_spark
      memcached                unixbench
      multichase               vm-scalability
      mutilate                 will-it-scale
      nginx

[01] https://trends.google.com
[02] https://lore.kernel.org/r/20211102002002.92051-1-bot@edi.works/
[03] https://lore.kernel.org/r/20211009054315.47073-1-bot@edi.works/
[04] https://lore.kernel.org/r/20211021194103.65648-1-bot@edi.works/
[05] https://lore.kernel.org/r/20211109021346.50266-1-bot@edi.works/
[06] https://lore.kernel.org/r/20211202062806.80365-1-bot@edi.works/
[07] https://lore.kernel.org/r/20211209072416.33606-1-bot@edi.works/
[08] https://lore.kernel.org/r/20211218071041.24077-1-bot@edi.works/
[09] https://lore.kernel.org/r/20211122053248.57311-1-bot@edi.works/
[10] https://lore.kernel.org/r/20220104202247.2903702-1-yuzhao@google.com/

Read-world applications
=======================
Third-party testimonials
------------------------
Konstantin reported [11]:
   I have Archlinux with 8G RAM + zswap + swap. While developing, I
   have lots of apps opened such as multiple LSP-servers for different
   langs, chats, two browsers, etc... Usually, my system gets quickly
   to a point of SWAP-storms, where I have to kill LSP-servers,
   restart browsers to free memory, etc, otherwise the system lags
   heavily and is barely usable.
   
   1.5 day ago I migrated from 5.11.15 kernel to 5.12 + the LRU
   patchset, and I started up by opening lots of apps to create memory
   pressure, and worked for a day like this. Till now I had not a
   single SWAP-storm, and mind you I got 3.4G in SWAP. I was never
   getting to the point of 3G in SWAP before without a single
   SWAP-storm.

Vaibhav from IBM reported [12]:
   In a synthetic MongoDB Benchmark, seeing an average of ~19%
   throughput improvement on POWER10(Radix MMU + 64K Page Size) with
   MGLRU patches on top of 5.16 kernel for MongoDB + YCSB across
   three different request distributions, namely, Exponential, Uniform
   and Zipfan.

Shuang from U of Rochester reported [13]:
   With the MGLRU, fio achieved 95% CIs [38.95, 40.26]%, [4.12, 6.64]%
   and [9.26, 10.36]% higher throughput, respectively, for random
   access, Zipfian (distribution) access and Gaussian (distribution)
   access, when the average number of jobs per CPU is 1; 95% CIs
   [42.32, 49.15]%, [9.44, 9.89]% and [20.99, 22.86]% higher
   throughput, respectively, for random access, Zipfian access and
   Gaussian access, when the average number of jobs per CPU is 2.

Daniel from Michigan Tech reported [14]:
   With Memcached allocating ~100GB of byte-addressable Optante,
   performance improvement in terms of throughput (measured as queries
   per second) was about 10% for a series of workloads.

Large-scale deployments
-----------------------
We've rolled out MGLRU to tens of millions of ChromeOS users and
about a million Android users. Google's fleetwide profiling [15] shows
an overall 40% decrease in kswapd CPU usage, in addition to
improvements in other UX metrics, e.g., an 85% decrease in the number
of low-memory kills at the 75th percentile and an 18% decrease in
app launch time at the 50th percentile.

The downstream kernels that have been using MGLRU include:
1. Android [16]
2. Arch Linux Zen [17]
3. Armbian [18]
4. ChromeOS [19]
5. Liquorix [20]
6. OpenWrt [21]
7. post-factum [22]
8. XanMod [23]

[11] https://lore.kernel.org/r/140226722f2032c86301fbd326d91baefe3d7d23.camel@yandex.ru/
[12] https://lore.kernel.org/r/87czj3mux0.fsf@vajain21.in.ibm.com/
[13] https://lore.kernel.org/r/20220105024423.26409-1-szhai2@cs.rochester.edu/
[14] https://lore.kernel.org/r/CA+4-3vksGvKd18FgRinxhqHetBS1hQekJE2gwco8Ja-bJWKtFw@mail.gmail.com/
[15] https://dl.acm.org/doi/10.1145/2749469.2750392
[16] https://android.com
[17] https://archlinux.org
[18] https://armbian.com
[19] https://chromium.org
[20] https://liquorix.net
[21] https://openwrt.org
[22] https://codeberg.org/pf-kernel
[23] https://xanmod.org

Summary
=======
The facts are:
1. The independent lab results and the real-world applications
   indicate substantial improvements; there are no known regressions.
2. Thrashing prevention, working set estimation and proactive reclaim
   work out of the box; there are no equivalent solutions.
3. There is a lot of new code; no smaller changes have been
   demonstrated similar effects.

Our options, accordingly, are:
1. Given the amount of evidence, the reported improvements will likely
   materialize for a wide range of workloads.
2. Gauging the interest from the past discussions, the new features
   will likely be put to use for both personal computers and data
   centers.
3. Based on Google's track record, the new code will likely be well
   maintained in the long term. It'd be more difficult if not
   impossible to achieve similar effects with other approaches.


This patch (of 14):

Some architectures automatically set the accessed bit in PTEs, e.g., x86
and arm64 v8.2.  On architectures that do not have this capability,
clearing the accessed bit in a PTE usually triggers a page fault following
the TLB miss of this PTE (to emulate the accessed bit).

Being aware of this capability can help make better decisions, e.g.,
whether to spread the work out over a period of time to reduce bursty page
faults when trying to clear the accessed bit in many PTEs.

Note that theoretically this capability can be unreliable, e.g.,
hotplugged CPUs might be different from builtin ones.  Therefore it should
not be used in architecture-independent code that involves correctness,
e.g., to determine whether TLB flushes are required (in combination with
the accessed bit).

Link: https://lkml.kernel.org/r/20220918080010.2920238-1-yuzhao@google.com
Link: https://lkml.kernel.org/r/20220918080010.2920238-2-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Reviewed-by: Barry Song <baohua@kernel.org>
Acked-by: Brian Geffon <bgeffon@google.com>
Acked-by: Jan Alexander Steffens (heftig) <heftig@archlinux.org>
Acked-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Acked-by: Steven Barrett <steven@liquorix.net>
Acked-by: Suleiman Souhlal <suleiman@google.com>
Acked-by: Will Deacon <will@kernel.org>
Tested-by: Daniel Byrne <djbyrne@mtu.edu>
Tested-by: Donald Carr <d@chaos-reins.com>
Tested-by: Holger Hoffstätte <holger@applied-asynchrony.com>
Tested-by: Konstantin Kharlamov <Hi-Angel@yandex.ru>
Tested-by: Shuang Zhai <szhai2@cs.rochester.edu>
Tested-by: Sofia Trinh <sofia.trinh@edi.works>
Tested-by: Vaibhav Jain <vaibhav@linux.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michael Larabel <Michael@MichaelLarabel.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:08 -07:00
Peter Xu
0d206b5d2e mm/swap: add swp_offset_pfn() to fetch PFN from swap entry
We've got a bunch of special swap entries that stores PFN inside the swap
offset fields.  To fetch the PFN, normally the user just calls
swp_offset() assuming that'll be the PFN.

Add a helper swp_offset_pfn() to fetch the PFN instead, fetching only the
max possible length of a PFN on the host, meanwhile doing proper check
with MAX_PHYSMEM_BITS to make sure the swap offsets can actually store the
PFNs properly always using the BUILD_BUG_ON() in is_pfn_swap_entry().

One reason to do so is we never tried to sanitize whether swap offset can
really fit for storing PFN.  At the meantime, this patch also prepares us
with the future possibility to store more information inside the swp
offset field, so assuming "swp_offset(entry)" to be the PFN will not stand
any more very soon.

Replace many of the swp_offset() callers to use swp_offset_pfn() where
proper.  Note that many of the existing users are not candidates for the
replacement, e.g.:

  (1) When the swap entry is not a pfn swap entry at all, or,
  (2) when we wanna keep the whole swp_offset but only change the swp type.

For the latter, it can happen when fork() triggered on a write-migration
swap entry pte, we may want to only change the migration type from
write->read but keep the rest, so it's not "fetching PFN" but "changing
swap type only".  They're left aside so that when there're more
information within the swp offset they'll be carried over naturally in
those cases.

Since at it, dropping hwpoison_entry_to_pfn() because that's exactly what
the new swp_offset_pfn() is about.

Link: https://lkml.kernel.org/r/20220811161331.37055-4-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Andi Kleen <andi.kleen@intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: "Kirill A . Shutemov" <kirill@shutemov.name>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nadav Amit <nadav.amit@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-09-26 19:46:05 -07:00
Sami Tolvanen
607289a7cd treewide: Drop function_nocfi
With -fsanitize=kcfi, we no longer need function_nocfi() as
the compiler won't change function references to point to a
jump table. Remove all implementations and uses of the macro.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-14-samitolvanen@google.com
2022-09-26 10:13:14 -07:00
Sami Tolvanen
5f20997c19 arm64: Drop unneeded __nocfi attributes
With -fsanitize=kcfi, CONFIG_CFI_CLANG no longer has issues
with address space confusion in functions that switch to linear
mapping. Now that the indirectly called assembly functions have
type annotations, drop the __nocfi attributes.

Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-12-samitolvanen@google.com
2022-09-26 10:13:14 -07:00
Sami Tolvanen
b26e484b8b arm64: Add CFI error handling
With -fsanitize=kcfi, CFI always traps. Add arm64 support for handling CFI
failures. The registers containing the target address and the expected type
are encoded in the first ten bits of the ESR as follows:

 - 0-4: n, where the register Xn contains the target address
 - 5-9: m, where the register Wm contains the type hash

This produces the following oops on CFI failure (generated using lkdtm):

[   21.885179] CFI failure at lkdtm_indirect_call+0x2c/0x44 [lkdtm]
(target: lkdtm_increment_int+0x0/0x1c [lkdtm]; expected type: 0x7e0c52a)
[   21.886593] Internal error: Oops - CFI: 0 [#1] PREEMPT SMP
[   21.891060] Modules linked in: lkdtm
[   21.893363] CPU: 0 PID: 151 Comm: sh Not tainted
5.19.0-rc1-00021-g852f4e48dbab #1
[   21.895560] Hardware name: linux,dummy-virt (DT)
[   21.896543] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   21.897583] pc : lkdtm_indirect_call+0x2c/0x44 [lkdtm]
[   21.898551] lr : lkdtm_CFI_FORWARD_PROTO+0x3c/0x6c [lkdtm]
[   21.899520] sp : ffff8000083a3c50
[   21.900191] x29: ffff8000083a3c50 x28: ffff0000027e0ec0 x27: 0000000000000000
[   21.902453] x26: 0000000000000000 x25: ffffc2aa3d07e7b0 x24: 0000000000000002
[   21.903736] x23: ffffc2aa3d079088 x22: ffffc2aa3d07e7b0 x21: ffff000003379000
[   21.905062] x20: ffff8000083a3dc0 x19: 0000000000000012 x18: 0000000000000000
[   21.906371] x17: 000000007e0c52a5 x16: 000000003ad55aca x15: ffffc2aa60d92138
[   21.907662] x14: ffffffffffffffff x13: 2e2e2e2065707974 x12: 0000000000000018
[   21.909775] x11: ffffc2aa62322b88 x10: ffffc2aa62322aa0 x9 : c7e305fb5195d200
[   21.911898] x8 : ffffc2aa3d077e20 x7 : 6d20676e696c6c61 x6 : 43203a6d74646b6c
[   21.913108] x5 : ffffc2aa6266c9df x4 : ffffc2aa6266c9e1 x3 : ffff8000083a3968
[   21.914358] x2 : 80000000fffff122 x1 : 00000000fffff122 x0 : ffffc2aa3d07e8f8
[   21.915827] Call trace:
[   21.916375]  lkdtm_indirect_call+0x2c/0x44 [lkdtm]
[   21.918060]  lkdtm_CFI_FORWARD_PROTO+0x3c/0x6c [lkdtm]
[   21.919030]  lkdtm_do_action+0x34/0x4c [lkdtm]
[   21.919920]  direct_entry+0x170/0x1ac [lkdtm]
[   21.920772]  full_proxy_write+0x84/0x104
[   21.921759]  vfs_write+0x188/0x3d8
[   21.922387]  ksys_write+0x78/0xe8
[   21.922986]  __arm64_sys_write+0x1c/0x2c
[   21.923696]  invoke_syscall+0x58/0x134
[   21.924554]  el0_svc_common+0xb4/0xf4
[   21.925603]  do_el0_svc+0x2c/0xb4
[   21.926563]  el0_svc+0x2c/0x7c
[   21.927147]  el0t_64_sync_handler+0x84/0xf0
[   21.927985]  el0t_64_sync+0x18c/0x190
[   21.929133] Code: 728a54b1 72afc191 6b11021f 54000040 (d4304500)
[   21.930690] ---[ end trace 0000000000000000 ]---
[   21.930971] Kernel panic - not syncing: Oops - CFI: Fatal exception

Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-11-samitolvanen@google.com
2022-09-26 10:13:14 -07:00
Sami Tolvanen
c50d32859e arm64: Add types to indirect called assembly functions
With CONFIG_CFI_CLANG, assembly functions indirectly called from C
code must be annotated with type identifiers to pass CFI checking. Use
SYM_TYPED_FUNC_START for the indirectly called functions, and ensure
we emit `bti c` also with SYM_TYPED_FUNC_START.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-10-samitolvanen@google.com
2022-09-26 10:13:13 -07:00
Sami Tolvanen
f143ff397a treewide: Filter out CC_FLAGS_CFI
In preparation for removing CC_FLAGS_CFI from CC_FLAGS_LTO, explicitly
filter out CC_FLAGS_CFI in all the makefiles where we currently filter
out CC_FLAGS_LTO.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Kees Cook <keescook@chromium.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220908215504.3686827-2-samitolvanen@google.com
2022-09-26 10:13:12 -07:00
Paolo Bonzini
c59fb12758 KVM: remove KVM_REQ_UNHALT
KVM_REQ_UNHALT is now unnecessary because it is replaced by the return
value of kvm_vcpu_block/kvm_vcpu_halt.  Remove it.

No functional change intended.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Message-Id: <20220921003201.1441511-13-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-09-26 12:37:21 -04:00
Joerg Roedel
38713c6028 Merge branches 'apple/dart', 'arm/mediatek', 'arm/omap', 'arm/smmu', 'virtio', 'x86/vt-d', 'x86/amd' and 'core' into next 2022-09-26 15:52:31 +02:00
Elliot Berman
b2a4d007c3 KVM: arm64: Ignore kvm-arm.mode if !is_hyp_mode_available()
Ignore kvm-arm.mode if !is_hyp_mode_available(). Specifically, we want
to avoid switching kvm_mode to KVM_MODE_PROTECTED if hypervisor mode is
not available. This prevents "Protected KVM" cpu capability being
reported when Linux is booting in EL1 and would not have KVM enabled.
Reasonably though, we should warn if the command line is requesting a
KVM mode at all if KVM isn't actually available. Allow
"kvm-arm.mode=none" to skip the warning since this would disable KVM
anyway.

Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220920190658.2880184-1-quic_eberman@quicinc.com
2022-09-26 10:49:49 +01:00
Gavin Shan
096560dd13 KVM: arm64: vgic: Remove duplicate check in update_affinity_collection()
The 'coll' parameter to update_affinity_collection() is never NULL,
so comparing it with 'ite->collection' is enough to cover both
the NULL case and the "another collection" case.

Remove the duplicate check in update_affinity_collection().

Signed-off-by: Gavin Shan <gshan@redhat.com>
[maz: repainted commit message]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220923065447.323445-1-gshan@redhat.com
2022-09-26 10:46:37 +01:00
Greg Kroah-Hartman
67102bd31b Merge 6.0-rc7 into usb-next
We need the USB fixes in here for other follow-on changes to be able to
be applied successfully.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-09-26 10:38:21 +02:00
Rafał Miłecki
28fc7c986f nvmem: prefix all symbols with NVMEM_
This unifies all NVMEM symbols. They follow one style now.

Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220916122100.170016-8-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-09-24 14:54:38 +02:00
Lukas Bulwahn
611d451e40 crypto: arm64 - revert unintended config name change for CRYPTO_SHA1_ARM64_CE
Commit 3f342a2325 ("crypto: Kconfig - simplify hash entries") makes
various changes to the config descriptions as part of some consolidation
and clean-up, but among all those changes, it also accidently renames
CRYPTO_SHA1_ARM64_CE to CRYPTO_SHA1_ARM64.

Revert this unintended config name change.

See Link for the author's confirmation of this happening accidently.

Fixes: 3f342a2325 ("crypto: Kconfig - simplify hash entries")
Link: https://lore.kernel.org/all/MW5PR84MB18424AB8C095BFC041AE33FDAB479@MW5PR84MB1842.NAMPRD84.PROD.OUTLOOK.COM/
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2022-09-24 16:14:43 +08:00
Linus Torvalds
a63f2e7cb1 arm64 fixes for -rc7
- Fix false positive "sleeping while atomic" warning resulting from
   the kPTI rework taking a mutex too early.
 
 - Fix possible overflow in AMU frequency calculation
 
 - Fix incorrect shift in CMN PMU driver which causes problems with
   newer versions of the IP
 
 - Reduce alignment of the CFI jump table to avoid huge kernel images
   and link errors with !4KiB page size configurations
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Will Deacon:
 "These are all very simple and self-contained, although the CFI
  jump-table fix touches the generic linker script as that's where the
  problematic macro lives.

   - Fix false positive "sleeping while atomic" warning resulting from
     the kPTI rework taking a mutex too early.

   - Fix possible overflow in AMU frequency calculation

   - Fix incorrect shift in CMN PMU driver which causes problems with
     newer versions of the IP

   - Reduce alignment of the CFI jump table to avoid huge kernel images
     and link errors with !4KiB page size configurations"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  vmlinux.lds.h: CFI: Reduce alignment of jump-table to function alignment
  perf/arm-cmn: Add more bits to child node address offset field
  arm64: topology: fix possible overflow in amu_fie_setup()
  arm64: mm: don't acquire mutex when rewriting swapper
2022-09-23 15:28:51 -07:00
Arnd Bergmann
1ee41d92f1 Renesas ARM SoC updates for v6.1
- Drop superfluous selects of SOC_BUS.
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Merge tag 'renesas-arm-soc-for-v6.1-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/soc

Renesas ARM SoC updates for v6.1

  - Drop superfluous selects of SOC_BUS.

* tag 'renesas-arm-soc-for-v6.1-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  ARM: shmobile: Drop selecting SOC_BUS
  arm64: renesas: Drop selecting SOC_BUS

Link: https://lore.kernel.org/r/cover.1663588781.git.geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-23 20:35:31 +02:00
Arnd Bergmann
d1d48fd18a Qualcomm ARM64 defconfig updates for 6.1
This enables core providers needed to boot SC8180X, sound drivers for
 SC7180 and SC7280, the Qualcomm EDP PHY, last-level cache controller
 driver, on-chip memory driver and the SPM driver.
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Merge tag 'qcom-arm64-defconfig-for-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/defconfig

Qualcomm ARM64 defconfig updates for 6.1

This enables core providers needed to boot SC8180X, sound drivers for
SC7180 and SC7280, the Qualcomm EDP PHY, last-level cache controller
driver, on-chip memory driver and the SPM driver.

* tag 'qcom-arm64-defconfig-for-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  arm64: defconfig: Enabled SC8180x configs
  arm64: defconfig: enable newer Qualcomm SoC sound drivers
  arm64: defconfig: enable more Qualcomm drivers

Link: https://lore.kernel.org/r/20220921150314.1312358-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-23 17:58:09 +02:00
Mark Brown
075ed7b9e4
arm64: configs: Enable all PMUs provided by Arm
The selection of PMUs enabled in the defconfig is currently a bit random
and does not include a number of those provided by Arm and present in a
fairly wide range of SoCs. Improve coverage and defconfig utility by
enabling all the Arm provided PMUs by default.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: James Clark <james.clark@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lore.kernel.org/r/20220919162753.3079869-1-broonie@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-23 17:57:43 +02:00
Arnd Bergmann
e1381b13ee Enable devfreq cooling device driver in arm64 defconfig
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Merge tag 'sunxi-config-for-6.1-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/defconfig

Enable devfreq cooling device driver in arm64 defconfig

* tag 'sunxi-config-for-6.1-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  arm64: defconfig: Enable devfreq cooling device

Link: https://lore.kernel.org/r/YyePcA5YHOZjdOf7@kista.localdomain
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-23 17:56:08 +02:00
Arnd Bergmann
7b04ab8376 arm64: tegra: Default configuration changes for v6.1-rc1
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 kernel by default to avoid needless probe deferrals that would slow
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Merge tag 'tegra-for-6.1-arm64-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/defconfig

arm64: tegra: Default configuration changes for v6.1-rc1

Enables the new MGBE driver, as well as the existing SPI and QSPI
drivers on 64-bit ARM. The GPC DMA driver is now also built into the
kernel by default to avoid needless probe deferrals that would slow
down the boot process significantly.

* tag 'tegra-for-6.1-arm64-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  arm64: defconfig: Make TEGRA186_GPC_DMA built-in
  arm64: tegra: Enable Tegra SPI & QSPI in deconfig
  arm64: defconfig: Enable Tegra MGBE driver

Link: https://lore.kernel.org/r/20220916101957.1635854-6-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-09-23 17:55:11 +02:00