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Arnaldo Carvalho de Melo
ecf0a35ba2 perf beauty socket: Add generator for socket level (SOL_*) string table 
$ tools/perf/trace/beauty/socket.sh
  static const char *socket_ipproto[] = {
  	[0] = "IP",
  	[1] = "ICMP",
  <SNIP>
  	[255] = "RAW",
  	[262] = "MPTCP",
  };

  static const char *socket_level[] = {
  	[0] = "IP",
  	[6] = "TCP",
  	[17] = "UDP",
  	[41] = "IPV6",
  	[58] = "ICMPV6",
  	[132] = "SCTP",
  	[136] = "UDPLITE",
  	[255] = "RAW",
  	[256] = "IPX",
  	[257] = "AX25",
  	[258] = "ATALK",
  	[259] = "NETROM",
  	[260] = "ROSE",
  	[261] = "DECNET",
  	[262] = "X25",
  	[263] = "PACKET",
  	[264] = "ATM",
  	[265] = "AAL",
  	[266] = "IRDA",
  	[267] = "NETBEUI",
  	[268] = "LLC",
  	[269] = "DCCP",
  	[270] = "NETLINK",
  	[271] = "TIPC",
  	[272] = "RXRPC",
  	[273] = "PPPOL2TP",
  	[274] = "BLUETOOTH",
  	[275] = "PNPIPE",
  	[276] = "RDS",
  	[277] = "IUCV",
  	[278] = "CAIF",
  	[279] = "ALG",
  	[280] = "NFC",
  	[281] = "KCM",
  	[282] = "TLS",
  	[283] = "XDP",
  	[284] = "MPTCP",
  	[285] = "MCTP",
  };
  $

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2021-11-12 10:40:34 -03:00
Arnaldo Carvalho de Melo
d3f82839f8 perf beauty socket: Sort the ipproto array entries 
Just tidying up the output for human consumption.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2021-11-12 10:40:34 -03:00
Arnaldo Carvalho de Melo
82e3664b0a perf beauty socket: Rename 'regex' to 'ipproto_regex' 
Paving the way for more regexps to be used here.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2021-11-12 10:40:34 -03:00
Arnaldo Carvalho de Melo
1a1edf3320 perf beauty socket: Prep to receive more input header files 
Move from ternary like expression to an if block, this way we'll
have just the extra lines for new files in the following patches.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2021-11-12 10:40:34 -03:00
Arnaldo Carvalho de Melo
012e569036 perf beauty socket: Rename header_dir to uapi_header_dir 
Paving the way to pass more headers to be consumed, like
tools/perf/trace/beauty/include/linux/socket.h in addition to the
current tools/include/uapi/linux/in.h, to get the SOL_* defines.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2021-11-12 10:40:34 -03:00
Arnaldo Carvalho de Melo
795f91db26 perf beauty: Rename socket_ipproto.sh to socket.sh to hold more socket table generators 
To avoid having to add new entries to tools/perf/Makefile.perf prep
socket.sh so that it can generate other socket table generators, such as
the upcoming SOL_ socket level one.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2021-11-12 10:40:34 -03:00
Arnaldo Carvalho de Melo
fa020dd78f perf beauty: Make all sockaddr files use a common naming scheme 
The script that generates the tables was named 'socket.sh', which is
confusing, rename it to sockaddr.sh and make sure the related
Makefile.perf targets also use the 'sockaddr' namespace.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 2021-11-12 10:40:34 -03:00
Linus Torvalds
5833291ab6 pci-v5.16-fixes-1 
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Merge tag 'pci-v5.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "Revert conversion to struct device.driver instead of struct
  pci_dev.driver.

  The device.driver is set earlier, and using it caused the PCI core to
  call driver PM entry points before .probe() and after .remove(), when
  the driver isn't prepared.

  This caused NULL pointer dereferences in i2c_designware_pci and
  probably other driver issues"

* tag 'pci-v5.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  Revert "PCI: Use to_pci_driver() instead of pci_dev->driver"
  Revert "PCI: Remove struct pci_dev->driver"
 2021-11-11 15:10:18 -08:00
Linus Torvalds
ca2ef2d9f2 KCSAN pull request for v5.16 
This series contains initialization fixups, testing improvements, addition
 of instruction pointer to data-race reports, and scoped data-race checks.
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Merge tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu

Pull KCSAN updates from Paul McKenney:
 "This contains initialization fixups, testing improvements, addition of
  instruction pointer to data-race reports, and scoped data-race checks"

* tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
  kcsan: selftest: Cleanup and add missing __init
  kcsan: Move ctx to start of argument list
  kcsan: Support reporting scoped read-write access type
  kcsan: Start stack trace with explicit location if provided
  kcsan: Save instruction pointer for scoped accesses
  kcsan: Add ability to pass instruction pointer of access to reporting
  kcsan: test: Fix flaky test case
  kcsan: test: Use kunit_skip() to skip tests
  kcsan: test: Defer kcsan_test_init() after kunit initialization
 2021-11-11 15:00:04 -08:00
Linus Torvalds
5593a733f9 + Features 
- use per file locks for transactional queries
   - update policy management capability checks to work with LSM stacking
 
 + Bug Fixes
   - check/put label on apparmor_sk_clone_security()
   - fix error check on update of label hname
   - fix introspection of of task mode for unconfined tasks
 
 + Cleanups
   - avoid -Wempty-body warning
   - remove duplicated 'Returns:' comments
   - fix doc warning
   - remove unneeded one-line hook wrappers
   - Use struct_size() helper in kzalloc()
   - fix zero-length compiler warning in AA_BUG()
   - file.h: delete duplicated word
   - delete repeated words in comments
   - Remove the repeated declaration
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Merge tag 'apparmor-pr-2021-11-10' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor

Pull apparmor updates from John Johansen:
 "Features
   - use per file locks for transactional queries
   - update policy management capability checks to work with LSM stacking

  Bug Fixes:
   - check/put label on apparmor_sk_clone_security()
   - fix error check on update of label hname
   - fix introspection of of task mode for unconfined tasks

  Cleanups:
   - avoid -Wempty-body warning
   - remove duplicated 'Returns:' comments
   - fix doc warning
   - remove unneeded one-line hook wrappers
   - use struct_size() helper in kzalloc()
   - fix zero-length compiler warning in AA_BUG()
   - file.h: delete duplicated word
   - delete repeated words in comments
   - remove repeated declaration"

* tag 'apparmor-pr-2021-11-10' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
  apparmor: remove duplicated 'Returns:' comments
  apparmor: remove unneeded one-line hook wrappers
  apparmor: Use struct_size() helper in kzalloc()
  apparmor: fix zero-length compiler warning in AA_BUG()
  apparmor: use per file locks for transactional queries
  apparmor: fix doc warning
  apparmor: Remove the repeated declaration
  apparmor: avoid -Wempty-body warning
  apparmor: Fix internal policy capable check for policy management
  apparmor: fix error check
  security: apparmor: delete repeated words in comments
  security: apparmor: file.h: delete duplicated word
  apparmor: switch to apparmor to internal capable check for policy management
  apparmor: update policy capable checks to use a label
  apparmor: fix introspection of of task mode for unconfined tasks
  apparmor: check/put label on apparmor_sk_clone_security()
 2021-11-11 14:47:32 -08:00
Linus Torvalds
dbf4989618 Merge branch 'akpm' (patches from Andrew) 
Merge more updates from Andrew Morton:
 "The post-linux-next material.

  7 patches.

  Subsystems affected by this patch series (all mm): debug,
  slab-generic, migration, memcg, and kasan"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  kasan: add kasan mode messages when kasan init
  mm: unexport {,un}lock_page_memcg
  mm: unexport folio_memcg_{,un}lock
  mm/migrate.c: remove MIGRATE_PFN_LOCKED
  mm: migrate: simplify the file-backed pages validation when migrating its mapping
  mm: allow only SLUB on PREEMPT_RT
  mm/page_owner.c: modify the type of argument "order" in some functions
 2021-11-11 14:31:47 -08:00
Linus Torvalds
6d76f6eb46 Fixes include: 
. remove unused CONFIG_MCPU32 symbol
 . default CONFIG_MEMORY_RESERVE value (for scripting)
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Merge tag 'm68knommu-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu

Pull m68knommu updates from Greg Ungerer:
 "Only two changes.

  One removes the now unused CONFIG_MCPU32 symbol. The other sets a
  default for the CONFIG_MEMORY_RESERVE config symbol (this aids
  scripting and other automation) so you don't interactively get asked
  for a value at configure time.

  Summary:

   - remove unused CONFIG_MCPU32 symbol

   - default CONFIG_MEMORY_RESERVE value (for scripting)"

* tag 'm68knommu-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: Remove MCPU32 config symbol
  m68k: set a default value for MEMORY_RESERVE
 2021-11-11 14:22:05 -08:00
Bjorn Helgaas
e0217c5ba1 Revert "PCI: Use to_pci_driver() instead of pci_dev->driver" 
This reverts commit 2a4d9408c9.

Robert reported a NULL pointer dereference caused by the PCI core
(local_pci_probe()) calling the i2c_designware_pci driver's
.runtime_resume() method before the .probe() method.  i2c_dw_pci_resume()
depends on initialization done by i2c_dw_pci_probe().

Prior to 2a4d9408c9 ("PCI: Use to_pci_driver() instead of
pci_dev->driver"), pci_pm_runtime_resume() avoided calling the
.runtime_resume() method because pci_dev->driver had not been set yet.

2a4d9408c9 and b5f9c644eb ("PCI: Remove struct pci_dev->driver"),
removed pci_dev->driver, replacing it by device->driver, which *has* been
set by this time, so pci_pm_runtime_resume() called the .runtime_resume()
method when it previously had not.

Fixes: 2a4d9408c9 ("PCI: Use to_pci_driver() instead of pci_dev->driver")
Link: https://lore.kernel.org/linux-i2c/CAP145pgdrdiMAT7=-iB1DMgA7t_bMqTcJL4N0=6u8kNY3EU0dw@mail.gmail.com/
Reported-by: Robert Święcki <robert@swiecki.net>
Tested-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 2021-11-11 13:36:22 -06:00
Bjorn Helgaas
68da4e0eaa Revert "PCI: Remove struct pci_dev->driver" 
This reverts commit b5f9c644eb.

Revert b5f9c644eb ("PCI: Remove struct pci_dev->driver"), which is needed
to revert 2a4d9408c9 ("PCI: Use to_pci_driver() instead of
pci_dev->driver").

2a4d9408c9 caused a NULL pointer dereference reported by Robert Święcki.
Details in the revert of that commit.

Fixes: 2a4d9408c9 ("PCI: Use to_pci_driver() instead of pci_dev->driver")
Link: https://lore.kernel.org/linux-i2c/CAP145pgdrdiMAT7=-iB1DMgA7t_bMqTcJL4N0=6u8kNY3EU0dw@mail.gmail.com/
Reported-by: Robert Święcki <robert@swiecki.net>
Tested-by: Robert Święcki <robert@swiecki.net>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
 2021-11-11 13:36:14 -06:00
Linus Torvalds
600b18f88f Two tracing fixes: 
- Add mutex protection to ring_buffer_reset()
 
 - Fix deadlock in modify_ftrace_direct_multi()
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Merge tag 'trace-v5.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Two locking fixes:

   - Add mutex protection to ring_buffer_reset()

   - Fix deadlock in modify_ftrace_direct_multi()"

* tag 'trace-v5.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  ftrace/direct: Fix lockup in modify_ftrace_direct_multi
  ring-buffer: Protect ring_buffer_reset() from reentrancy
 2021-11-11 10:16:33 -08:00
Linus Torvalds
f54ca91fe6 Networking fixes for 5.16-rc1, including fixes from bpf, can 
and netfilter.
 
 Current release - regressions:
 
  - bpf: do not reject when the stack read size is different
    from the tracked scalar size
 
  - net: fix premature exit from NAPI state polling in napi_disable()
 
  - riscv, bpf: fix RV32 broken build, and silence RV64 warning
 
 Current release - new code bugs:
 
  - net: fix possible NULL deref in sock_reserve_memory
 
  - amt: fix error return code in amt_init(); fix stopping the workqueue
 
  - ax88796c: use the correct ioctl callback
 
 Previous releases - always broken:
 
  - bpf: stop caching subprog index in the bpf_pseudo_func insn
 
  - security: fixups for the security hooks in sctp
 
  - nfc: add necessary privilege flags in netlink layer, limit operations
    to admin only
 
  - vsock: prevent unnecessary refcnt inc for non-blocking connect
 
  - net/smc: fix sk_refcnt underflow on link down and fallback
 
  - nfnetlink_queue: fix OOB when mac header was cleared
 
  - can: j1939: ignore invalid messages per standard
 
  - bpf, sockmap:
    - fix race in ingress receive verdict with redirect to self
    - fix incorrect sk_skb data_end access when src_reg = dst_reg
    - strparser, and tls are reusing qdisc_skb_cb and colliding
 
  - ethtool: fix ethtool msg len calculation for pause stats
 
  - vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries
    to access an unregistering real_dev
 
  - udp6: make encap_rcv() bump the v6 not v4 stats
 
  - drv: prestera: add explicit padding to fix m68k build
 
  - drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge
 
  - drv: mvpp2: fix wrong SerDes reconfiguration order
 
 Misc & small latecomers:
 
  - ipvs: auto-load ipvs on genl access
 
  - mctp: sanity check the struct sockaddr_mctp padding fields
 
  - libfs: support RENAME_EXCHANGE in simple_rename()
 
  - avoid double accounting for pure zerocopy skbs
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf, can and netfilter.

  Current release - regressions:

   - bpf: do not reject when the stack read size is different from the
     tracked scalar size

   - net: fix premature exit from NAPI state polling in napi_disable()

   - riscv, bpf: fix RV32 broken build, and silence RV64 warning

  Current release - new code bugs:

   - net: fix possible NULL deref in sock_reserve_memory

   - amt: fix error return code in amt_init(); fix stopping the
     workqueue

   - ax88796c: use the correct ioctl callback

  Previous releases - always broken:

   - bpf: stop caching subprog index in the bpf_pseudo_func insn

   - security: fixups for the security hooks in sctp

   - nfc: add necessary privilege flags in netlink layer, limit
     operations to admin only

   - vsock: prevent unnecessary refcnt inc for non-blocking connect

   - net/smc: fix sk_refcnt underflow on link down and fallback

   - nfnetlink_queue: fix OOB when mac header was cleared

   - can: j1939: ignore invalid messages per standard

   - bpf, sockmap:
      - fix race in ingress receive verdict with redirect to self
      - fix incorrect sk_skb data_end access when src_reg = dst_reg
      - strparser, and tls are reusing qdisc_skb_cb and colliding

   - ethtool: fix ethtool msg len calculation for pause stats

   - vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries to
     access an unregistering real_dev

   - udp6: make encap_rcv() bump the v6 not v4 stats

   - drv: prestera: add explicit padding to fix m68k build

   - drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge

   - drv: mvpp2: fix wrong SerDes reconfiguration order

  Misc & small latecomers:

   - ipvs: auto-load ipvs on genl access

   - mctp: sanity check the struct sockaddr_mctp padding fields

   - libfs: support RENAME_EXCHANGE in simple_rename()

   - avoid double accounting for pure zerocopy skbs"

* tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (123 commits)
  selftests/net: udpgso_bench_rx: fix port argument
  net: wwan: iosm: fix compilation warning
  cxgb4: fix eeprom len when diagnostics not implemented
  net: fix premature exit from NAPI state polling in napi_disable()
  net/smc: fix sk_refcnt underflow on linkdown and fallback
  net/mlx5: Lag, fix a potential Oops with mlx5_lag_create_definer()
  gve: fix unmatched u64_stats_update_end()
  net: ethernet: lantiq_etop: Fix compilation error
  selftests: forwarding: Fix packet matching in mirroring selftests
  vsock: prevent unnecessary refcnt inc for nonblocking connect
  net: marvell: mvpp2: Fix wrong SerDes reconfiguration order
  net: ethernet: ti: cpsw_ale: Fix access to un-initialized memory
  net: stmmac: allow a tc-taprio base-time of zero
  selftests: net: test_vxlan_under_vrf: fix HV connectivity test
  net: hns3: allow configure ETS bandwidth of all TCs
  net: hns3: remove check VF uc mac exist when set by PF
  net: hns3: fix some mac statistics is always 0 in device version V2
  net: hns3: fix kernel crash when unload VF while it is being reset
  net: hns3: sync rx ring head in echo common pull
  net: hns3: fix pfc packet number incorrect after querying pfc parameters
  ...
 2021-11-11 09:49:36 -08:00
Linus Torvalds
c55a04176c Char/Misc fix for 5.16-rc1 
Here is a single fix for 5.16-rc1 to resolve a build problem that came
 in through the coresight tree (and as such came in through the char/misc
 tree merge in the 5.16-rc1 merge window).
 
 It resolves a build problem with 'allmodconfig' on arm64 and is acked by
 the proper subsystem maintainers.  It has been in linux-next all week
 with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fix from Greg KH:
 "Here is a single fix for 5.16-rc1 to resolve a build problem that came
  in through the coresight tree (and as such came in through the
  char/misc tree merge in the 5.16-rc1 merge window).

  It resolves a build problem with 'allmodconfig' on arm64 and is acked
  by the proper subsystem maintainers. It has been in linux-next all
  week with no reported problems"

* tag 'char-misc-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  arm64: cpufeature: Export this_cpu_has_cap helper
 2021-11-11 09:44:29 -08:00
Linus Torvalds
5625207d83 USB fixes for 5.16-rc1 
Here are some small reverts and fixes for USB drivers for issues that
 came up during the 5.16-rc1 merge window.
 
 These include:
 	- two reverts of xhci and USB core patches that are causing
 	  problems in many systems.
 	- xhci 3.1 enumeration delay fix for systems that were having
 	  problems.
 
 All 3 of these have been in linux-next all week with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some small reverts and fixes for USB drivers for issues that
  came up during the 5.16-rc1 merge window.

  These include:

   - two reverts of xhci and USB core patches that are causing problems
     in many systems.

   - xhci 3.1 enumeration delay fix for systems that were having
     problems.

  All three of these have been in linux-next all week with no reported
  issues"

* tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  xhci: Fix USB 3.1 enumeration issues by increasing roothub power-on-good delay
  Revert "usb: core: hcd: Add support for deferring roothub registration"
  Revert "xhci: Set HCD flag to defer primary roothub registration"
 2021-11-11 09:40:15 -08:00
Kuan-Ying Lee
b873e98681 kasan: add kasan mode messages when kasan init 
There are multiple kasan modes.  It makes sense that we add some
messages to know which kasan mode is active when booting up [1].

Link: https://bugzilla.kernel.org/show_bug.cgi?id=212195 [1]
Link: https://lkml.kernel.org/r/20211020094850.4113-1-Kuan-Ying.Lee@mediatek.com
Signed-off-by: Kuan-Ying Lee <Kuan-Ying.Lee@mediatek.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Chinwen Chang <chinwen.chang@mediatek.com>
Cc: Yee Lee <yee.lee@mediatek.com>
Cc: Nicholas Tang <nicholas.tang@mediatek.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2021-11-11 09:34:35 -08:00
Christoph Hellwig
ab2f9d2d36 mm: unexport {,un}lock_page_memcg 
These are only used in built-in core mm code.

Link: https://lkml.kernel.org/r/20210820095815.445392-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2021-11-11 09:34:35 -08:00
Christoph Hellwig
913ffbdd99 mm: unexport folio_memcg_{,un}lock 
Patch series "unexport memcg locking helpers".

Neither the old page-based nor the new folio-based memcg locking helpers
are used in modular code at all, so drop the exports.

This patch (of 2):

folio_memcg_{,un}lock are only used in built-in core mm code.

Link: https://lkml.kernel.org/r/20210820095815.445392-1-hch@lst.de
Link: https://lkml.kernel.org/r/20210820095815.445392-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2021-11-11 09:34:35 -08:00
Alistair Popple
ab09243aa9 mm/migrate.c: remove MIGRATE_PFN_LOCKED 
MIGRATE_PFN_LOCKED is used to indicate to migrate_vma_prepare() that a
source page was already locked during migrate_vma_collect().  If it
wasn't then the a second attempt is made to lock the page.  However if
the first attempt failed it's unlikely a second attempt will succeed,
and the retry adds complexity.  So clean this up by removing the retry
and MIGRATE_PFN_LOCKED flag.

Destination pages are also meant to have the MIGRATE_PFN_LOCKED flag
set, but nothing actually checks that.

Link: https://lkml.kernel.org/r/20211025041608.289017-1-apopple@nvidia.com
Signed-off-by: Alistair Popple <apopple@nvidia.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Zi Yan <ziy@nvidia.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2021-11-11 09:34:35 -08:00
Baolin Wang
0ef0246214 mm: migrate: simplify the file-backed pages validation when migrating its mapping 
There is no need to validate the file-backed page's refcount before
trying to freeze the page's expected refcount, instead we can rely on
the folio_ref_freeze() to validate if the page has the expected refcount
before migrating its mapping.

Moreover we are always under the page lock when migrating the page
mapping, which means nowhere else can remove it from the page cache, so
we can remove the xas_load() validation under the i_pages lock.

Link: https://lkml.kernel.org/r/cover.1629447552.git.baolin.wang@linux.alibaba.com
Link: https://lkml.kernel.org/r/df4c129fd8e86a95dbc55f4663d77441cc0d3bd1.1629447552.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Suggested-by: Matthew Wilcox <willy@infradead.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Alistair Popple <apopple@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2021-11-11 09:34:35 -08:00
Ingo Molnar
252220dab9 mm: allow only SLUB on PREEMPT_RT 
Memory allocators may disable interrupts or preemption as part of the
allocation and freeing process.  For PREEMPT_RT it is important that
these sections remain deterministic and short and therefore don't depend
on the size of the memory to allocate/ free or the inner state of the
algorithm.

Until v3.12-RT the SLAB allocator was an option but involved several
changes to meet all the requirements.  The SLUB design fits better with
PREEMPT_RT model and so the SLAB patches were dropped in the 3.12-RT
patchset.  Comparing the two allocator, SLUB outperformed SLAB in both
throughput (time needed to allocate and free memory) and the maximal
latency of the system measured with cyclictest during hackbench.

SLOB was never evaluated since it was unlikely that it preforms better
than SLAB.  During a quick test, the kernel crashed with SLOB enabled
during boot.

Disable SLAB and SLOB on PREEMPT_RT.

[bigeasy@linutronix.de: commit description]

Link: https://lkml.kernel.org/r/20211015210336.gen3tib33ig5q2md@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2021-11-11 09:34:35 -08:00
Yixuan Cao
0093de693f mm/page_owner.c: modify the type of argument "order" in some functions 
The type of "order" in struct page_owner is unsigned short.
However, it is unsigned int in the following 3 functions:

  __reset_page_owner
  __set_page_owner_handle
  __set_page_owner_handle

The type of "order" in argument list is unsigned int, which is
inconsistent.

[akpm@linux-foundation.org: update include/linux/page_owner.h]

Link: https://lkml.kernel.org/r/20211020125945.47792-1-caoyixuan2019@email.szu.edu.cn
Signed-off-by: Yixuan Cao <caoyixuan2019@email.szu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2021-11-11 09:34:35 -08:00
Willem de Bruijn
d336509cb9 selftests/net: udpgso_bench_rx: fix port argument 
The below commit added optional support for passing a bind address.
It configures the sockaddr bind arguments before parsing options and
reconfigures on options -b and -4.

This broke support for passing port (-p) on its own.

Configure sockaddr after parsing all arguments.

Fixes: 3327a9c463 ("selftests: add functionals test for UDP GRO")
Reported-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2021-11-11 12:24:26 +00:00
M Chetan Kumar
29cd386750 net: wwan: iosm: fix compilation warning 
curr_phase is unused. Removed the dead code.

Fixes: 8d9be06341 ("net: wwan: iosm: transport layer support for fw flashing/cd")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: M Chetan Kumar <m.chetan.kumar@linux.intel.com>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2021-11-11 11:45:44 +00:00
Rahul Lakkireddy
4ca110bf8d cxgb4: fix eeprom len when diagnostics not implemented 
Ensure diagnostics monitoring support is implemented for the SFF 8472
compliant port module and set the correct length for ethtool port
module eeprom read.

Fixes: f56ec6766d ("cxgb4: Add support for ethtool i2c dump")
Signed-off-by: Manoj Malviya <manojmalviya@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2021-11-11 11:42:13 +00:00
Alexander Lobakin
0315a075f1 net: fix premature exit from NAPI state polling in napi_disable() 
Commit 719c571970 ("net: make napi_disable() symmetric with
enable") accidentally introduced a bug sometimes leading to a kernel
BUG when bringing an iface up/down under heavy traffic load.

Prior to this commit, napi_disable() was polling n->state until
none of (NAPIF_STATE_SCHED | NAPIF_STATE_NPSVC) is set and then
always flip them. Now there's a possibility to get away with the
NAPIF_STATE_SCHE unset as 'continue' drops us to the cmpxchg()
call with an uninitialized variable, rather than straight to
another round of the state check.

Error path looks like:

napi_disable():
unsigned long val, new; /* new is uninitialized */

do {
	val = READ_ONCE(n->state); /* NAPIF_STATE_NPSVC and/or
				      NAPIF_STATE_SCHED is set */
	if (val & (NAPIF_STATE_SCHED | NAPIF_STATE_NPSVC)) { /* true */
		usleep_range(20, 200);
		continue; /* go straight to the condition check */
	}
	new = val | <...>
} while (cmpxchg(&n->state, val, new) != val); /* state == val, cmpxchg()
						  writes garbage */

napi_enable():
do {
	val = READ_ONCE(n->state);
	BUG_ON(!test_bit(NAPI_STATE_SCHED, &val)); /* 50/50 boom */
<...>

while the typical BUG splat is like:

[  172.652461] ------------[ cut here ]------------
[  172.652462] kernel BUG at net/core/dev.c:6937!
[  172.656914] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[  172.661966] CPU: 36 PID: 2829 Comm: xdp_redirect_cp Tainted: G          I       5.15.0 #42
[  172.670222] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0014.082620210524 08/26/2021
[  172.680646] RIP: 0010:napi_enable+0x5a/0xd0
[  172.684832] Code: 07 49 81 cc 00 01 00 00 4c 89 e2 48 89 d8 80 e6 fb f0 48 0f b1 55 10 48 39 c3 74 10 48 8b 5d 10 f6 c7 04 75 3d f6 c3 01 75 b4 <0f> 0b 5b 5d 41 5c c3 65 ff 05 b8 e5 61 53 48 c7 c6 c0 f3 34 ad 48
[  172.703578] RSP: 0018:ffffa3c9497477a8 EFLAGS: 00010246
[  172.708803] RAX: ffffa3c96615a014 RBX: 0000000000000000 RCX: ffff8a4b575301a0
< snip >
[  172.782403] Call Trace:
[  172.784857]  <TASK>
[  172.786963]  ice_up_complete+0x6f/0x210 [ice]
[  172.791349]  ice_xdp+0x136/0x320 [ice]
[  172.795108]  ? ice_change_mtu+0x180/0x180 [ice]
[  172.799648]  dev_xdp_install+0x61/0xe0
[  172.803401]  dev_xdp_attach+0x1e0/0x550
[  172.807240]  dev_change_xdp_fd+0x1e6/0x220
[  172.811338]  do_setlink+0xee8/0x1010
[  172.814917]  rtnl_setlink+0xe5/0x170
[  172.818499]  ? bpf_lsm_binder_set_context_mgr+0x10/0x10
[  172.823732]  ? security_capable+0x36/0x50
< snip >

Fix this by replacing 'do { } while (cmpxchg())' with an "infinite"
for-loop with an explicit break.

From v1 [0]:
 - just use a for-loop to simplify both the fix and the existing
   code (Eric).

[0] https://lore.kernel.org/netdev/20211110191126.1214-1-alexandr.lobakin@intel.com

Fixes: 719c571970 ("net: make napi_disable() symmetric with enable")
Suggested-by: Eric Dumazet <edumazet@google.com> # for-loop
Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20211110195605.1304-1-alexandr.lobakin@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2021-11-10 17:45:15 -08:00
Linus Torvalds
debe436e77 Only bug fixes and cleanups for ext4 this merge window. Of note are 
fixes for the combination of the inline_data and fast_commit fixes,
 and more accurately calculating when to schedule additional lazy inode
 table init, especially when CONFIG_HZ is 100HZ.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Only bug fixes and cleanups for ext4 this merge window.

  Of note are fixes for the combination of the inline_data and
  fast_commit fixes, and more accurately calculating when to schedule
  additional lazy inode table init, especially when CONFIG_HZ is 100HZ"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: fix error code saved on super block during file system abort
  ext4: inline data inode fast commit replay fixes
  ext4: commit inline data during fast commit
  ext4: scope ret locally in ext4_try_to_trim_range()
  ext4: remove an unused variable warning with CONFIG_QUOTA=n
  ext4: fix boolreturn.cocci warnings in fs/ext4/name.c
  ext4: prevent getting empty inode buffer
  ext4: move ext4_fill_raw_inode() related functions
  ext4: factor out ext4_fill_raw_inode()
  ext4: prevent partial update of the extent blocks
  ext4: check for inconsistent extents between index and leaf block
  ext4: check for out-of-order index extents in ext4_valid_extent_entries()
  ext4: convert from atomic_t to refcount_t on ext4_io_end->count
  ext4: refresh the ext4_ext_path struct after dropping i_data_sem.
  ext4: ensure enough credits in ext4_ext_shift_path_extents
  ext4: correct the left/middle/right debug message for binsearch
  ext4: fix lazy initialization next schedule time computation in more granular unit
  Revert "ext4: enforce buffer head state assertion in ext4_da_map_blocks"
 2021-11-10 17:05:37 -08:00
Linus Torvalds
6070dcc8e5 for-5.16-deadlock-fix-tag 
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Merge tag 'for-5.16-deadlock-fix-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fix from David Sterba:
 "Fix for a deadlock when direct/buffered IO is done on a mmaped file
  and a fault happens (details in the patch). There's a fstest
  generic/647 that triggers the problem and makes testing hard"

* tag 'for-5.16-deadlock-fix-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix deadlock due to page faults during direct IO reads and writes
 2021-11-10 16:50:57 -08:00
Linus Torvalds
38764c7340 A slow cycle for nfsd: mainly cleanup, including Neil's patch dropping 
support for a filehandle format deprecated 20 years ago, and further
 xdr-related cleanup from Chuck.
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Merge tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux

Pull nfsd updates from Bruce Fields:
 "A slow cycle for nfsd: mainly cleanup, including Neil's patch dropping
  support for a filehandle format deprecated 20 years ago, and further
  xdr-related cleanup from Chuck"

* tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux: (26 commits)
  nfsd4: remove obselete comment
  nfsd: document server-to-server-copy parameters
  NFSD:fix boolreturn.cocci warning
  nfsd: update create verifier comment
  SUNRPC: Change return value type of .pc_encode
  SUNRPC: Replace the "__be32 *p" parameter to .pc_encode
  NFSD: Save location of NFSv4 COMPOUND status
  SUNRPC: Change return value type of .pc_decode
  SUNRPC: Replace the "__be32 *p" parameter to .pc_decode
  SUNRPC: De-duplicate .pc_release() call sites
  SUNRPC: Simplify the SVC dispatch code path
  SUNRPC: Capture value of xdr_buf::page_base
  SUNRPC: Add trace event when alloc_pages_bulk() makes no progress
  svcrdma: Split svcrmda_wc_{read,write} tracepoints
  svcrdma: Split the svcrdma_wc_send() tracepoint
  svcrdma: Split the svcrdma_wc_receive() tracepoint
  NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment()
  SUNRPC: xdr_stream_subsegment() must handle non-zero page_bases
  NFSD: Initialize pointer ni with NULL and not plain integer 0
  NFSD: simplify struct nfsfh
  ...
 2021-11-10 16:45:54 -08:00
Linus Torvalds
2ec20f4895 NFS client updates for Linux 5.16 
Highlights include:
 
 Features:
 - NFSv4.1 can always retrieve and cache the ACCESS mode on OPEN
 - Optimisations for READDIR and the 'ls -l' style workload
 - Further replacements of dprintk() with tracepoints and other tracing
   improvements
 - Ensure we re-probe NFSv4 server capabilities when the user does a
   "mount -o remount"
 
 Bugfixes:
 - Fix an Oops in pnfs_mark_request_commit()
 - Fix up deadlocks in the commit code
 - Fix regressions in NFSv2/v3 attribute revalidation due to the
   change_attr_type optimisations
 - Fix some dentry verifier races
 - Fix some missing dentry verifier settings
 - Fix a performance regression in nfs_set_open_stateid_locked()
 - SUNRPC was sending multiple SYN calls when re-establishing a TCP
   connection.
 - Fix multiple NFSv4 issues due to missing sanity checking of server
   return values
 - Fix a potential Oops when FREE_STATEID races with an unmount
 
 Cleanups:
 - Clean up the labelled NFS code
 - Remove unused header <linux/pnfs_osd_xdr.h>
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Merge tag 'nfs-for-5.16-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates from Trond Myklebust:
 "Highlights include:

  Features:
   - NFSv4.1 can always retrieve and cache the ACCESS mode on OPEN
   - Optimisations for READDIR and the 'ls -l' style workload
   - Further replacements of dprintk() with tracepoints and other
     tracing improvements
   - Ensure we re-probe NFSv4 server capabilities when the user does a
     "mount -o remount"

  Bugfixes:
   - Fix an Oops in pnfs_mark_request_commit()
   - Fix up deadlocks in the commit code
   - Fix regressions in NFSv2/v3 attribute revalidation due to the
     change_attr_type optimisations
   - Fix some dentry verifier races
   - Fix some missing dentry verifier settings
   - Fix a performance regression in nfs_set_open_stateid_locked()
   - SUNRPC was sending multiple SYN calls when re-establishing a TCP
     connection.
   - Fix multiple NFSv4 issues due to missing sanity checking of server
     return values
   - Fix a potential Oops when FREE_STATEID races with an unmount

  Cleanups:
   - Clean up the labelled NFS code
   - Remove unused header <linux/pnfs_osd_xdr.h>"

* tag 'nfs-for-5.16-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (84 commits)
  NFSv4: Sanity check the parameters in nfs41_update_target_slotid()
  NFS: Remove the nfs4_label argument from decode_getattr_*() functions
  NFS: Remove the nfs4_label argument from nfs_setsecurity
  NFS: Remove the nfs4_label argument from nfs_fhget()
  NFS: Remove the nfs4_label argument from nfs_add_or_obtain()
  NFS: Remove the nfs4_label argument from nfs_instantiate()
  NFS: Remove the nfs4_label from the nfs_setattrres
  NFS: Remove the nfs4_label from the nfs4_getattr_res
  NFS: Remove the f_label from the nfs4_opendata and nfs_openres
  NFS: Remove the nfs4_label from the nfs4_lookupp_res struct
  NFS: Remove the label from the nfs4_lookup_res struct
  NFS: Remove the nfs4_label from the nfs4_link_res struct
  NFS: Remove the nfs4_label from the nfs4_create_res struct
  NFS: Remove the nfs4_label from the nfs_entry struct
  NFS: Create a new nfs_alloc_fattr_with_label() function
  NFS: Always initialise fattr->label in nfs_fattr_alloc()
  NFSv4.2: alloc_file_pseudo() takes an open flag, not an f_mode
  NFS: Don't allocate nfs_fattr on the stack in __nfs42_ssc_open()
  NFSv4: Remove unnecessary 'minor version' check
  NFSv4: Fix potential Oops in decode_op_map()
  ...
 2021-11-10 16:32:46 -08:00
Linus Torvalds
5147da902e Merge branch 'exit-cleanups-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 
Pull exit cleanups from Eric Biederman:
 "While looking at some issues related to the exit path in the kernel I
  found several instances where the code is not using the existing
  abstractions properly.

  This set of changes introduces force_fatal_sig a way of sending a
  signal and not allowing it to be caught, and corrects the misuse of
  the existing abstractions that I found.

  A lot of the misuse of the existing abstractions are silly things such
  as doing something after calling a no return function, rolling BUG by
  hand, doing more work than necessary to terminate a kernel thread, or
  calling do_exit(SIGKILL) instead of calling force_sig(SIGKILL).

  In the review a deficiency in force_fatal_sig and force_sig_seccomp
  where ptrace or sigaction could prevent the delivery of the signal was
  found. I have added a change that adds SA_IMMUTABLE to change that
  makes it impossible to interrupt the delivery of those signals, and
  allows backporting to fix force_sig_seccomp

  And Arnd found an issue where a function passed to kthread_run had the
  wrong prototype, and after my cleanup was failing to build."

* 'exit-cleanups-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (23 commits)
  soc: ti: fix wkup_m3_rproc_boot_thread return type
  signal: Add SA_IMMUTABLE to ensure forced siganls do not get changed
  signal: Replace force_sigsegv(SIGSEGV) with force_fatal_sig(SIGSEGV)
  exit/r8188eu: Replace the macro thread_exit with a simple return 0
  exit/rtl8712: Replace the macro thread_exit with a simple return 0
  exit/rtl8723bs: Replace the macro thread_exit with a simple return 0
  signal/x86: In emulate_vsyscall force a signal instead of calling do_exit
  signal/sparc32: In setup_rt_frame and setup_fram use force_fatal_sig
  signal/sparc32: Exit with a fatal signal when try_to_clear_window_buffer fails
  exit/syscall_user_dispatch: Send ordinary signals on failure
  signal: Implement force_fatal_sig
  exit/kthread: Have kernel threads return instead of calling do_exit
  signal/s390: Use force_sigsegv in default_trap_handler
  signal/vm86_32: Properly send SIGSEGV when the vm86 state cannot be saved.
  signal/vm86_32: Replace open coded BUG_ON with an actual BUG_ON
  signal/sparc: In setup_tsb_params convert open coded BUG into BUG
  signal/powerpc: On swapcontext failure force SIGSEGV
  signal/sh: Use force_sig(SIGKILL) instead of do_group_exit(SIGKILL)
  signal/mips: Update (_save|_restore)_fp_context to fail with -EFAULT
  signal/sparc32: Remove unreachable do_exit in do_sparc_fault
  ...
 2021-11-10 16:15:54 -08:00
Linus Torvalds
a41b74451b kernel.sys.v5.16 
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Merge tag 'kernel.sys.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux

Pull prctl updates from Christian Brauner:
 "This contains the missing prctl uapi pieces for PR_SCHED_CORE.

  In order to activate core scheduling the caller is expected to specify
  the scope of the new core scheduling domain.

  For example, passing 2 in the 4th argument of

     prctl(PR_SCHED_CORE, PR_SCHED_CORE_CREATE, <pid>,  2, 0);

  would indicate that the new core scheduling domain encompasses all
  tasks in the process group of <pid>. Specifying 0 would only create a
  core scheduling domain for the thread identified by <pid> and 2 would
  encompass the whole thread-group of <pid>.

  Note, the values 0, 1, and 2 correspond to PIDTYPE_PID, PIDTYPE_TGID,
  and PIDTYPE_PGID. A first version tried to expose those values
  directly to which I objected because:

   - PIDTYPE_* is an enum that is kernel internal which we should not
     expose to userspace directly.

   - PIDTYPE_* indicates what a given struct pid is used for it doesn't
     express a scope.

  But what the 4th argument of PR_SCHED_CORE prctl() expresses is the
  scope of the operation, i.e. the scope of the core scheduling domain
  at creation time. So Eugene's patch now simply introduces three new
  defines PR_SCHED_CORE_SCOPE_THREAD, PR_SCHED_CORE_SCOPE_THREAD_GROUP,
  and PR_SCHED_CORE_SCOPE_PROCESS_GROUP. They simply express what
  happens.

  This has been on the mailing list for quite a while with all relevant
  scheduler folks Cced. I announced multiple times that I'd pick this up
  if I don't see or her anyone else doing it. None of this touches
  proper scheduler code but only concerns uapi so I think this is fine.

  With core scheduling being quite common now for vm managers (e.g.
  moving individual vcpu threads into their own core scheduling domain)
  and container managers (e.g. moving the init process into its own core
  scheduling domain and letting all created children inherit it) having
  to rely on raw numbers passed as the 4th argument in prctl() is a bit
  annoying and everyone is starting to come up with their own defines"

* tag 'kernel.sys.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
  uapi/linux/prctl: provide macro definitions for the PR_SCHED_CORE type argument
 2021-11-10 16:10:47 -08:00
Linus Torvalds
6752de1aeb pidfd.v5.16 
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Merge tag 'pidfd.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux

Pull pidfd updates from Christian Brauner:
 "Various places in the kernel have picked up pidfds.

  The two most recent additions have probably been the ability to use
  pidfds in bpf maps and the usage of pidfds in mm-based syscalls such
  as process_mrelease() and process_madvise().

  The same pattern to turn a pidfd into a struct task exists in two
  places. One of those places used PIDTYPE_TGID while the other one used
  PIDTYPE_PID even though it is clearly documented in all pidfd-helpers
  that pidfds __currently__ only refer to thread-group leaders (subject
  to change in the future if need be).

  This isn't a bug per se but has the potential to be one if we allow
  pidfds to refer to individual threads. If that happens we want to
  audit all codepaths that make use of them to ensure they can deal with
  pidfds refering to individual threads.

  This adds a simple helper to turn a pidfd into a struct task making it
  easy to grep for such places. Plus, it gets rid of code-duplication"

* tag 'pidfd.v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
  mm: use pidfd_get_task()
  pid: add pidfd_get_task() helper
 2021-11-10 16:02:08 -08:00
Linus Torvalds
881007522c More thermal control updates for 5.16-rc1 
- Replace pr_warn() with pr_warn_once() in user_space_bind() to
    reduce kernel log noise (Rafael Wysocki).
 
  - Extend the RFIM mailbox interface in the int340x thermal driver
    to return 64 bit values to allow all values returned by the
    hardware to be handled correctly (Srinivas Pandruvada).
 
  - Fix possible NULL pointer dereferences in the of_thermal_ family
    of functions (Subbaraman Narayanamurthy).
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Merge tag 'thermal-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more thermal control updates from Rafael Wysocki:
 "These fix two issues in the thermal core and one in the int340x
  thermal driver.

  Specifics:

   - Replace pr_warn() with pr_warn_once() in user_space_bind() to
     reduce kernel log noise (Rafael Wysocki).

   - Extend the RFIM mailbox interface in the int340x thermal driver to
     return 64 bit values to allow all values returned by the hardware
     to be handled correctly (Srinivas Pandruvada).

   - Fix possible NULL pointer dereferences in the of_thermal_ family of
     functions (Subbaraman Narayanamurthy)"

* tag 'thermal-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  thermal: Replace pr_warn() with pr_warn_once() in user_space_bind()
  thermal: Fix NULL pointer dereferences in of_thermal_ functions
  thermal/drivers/int340x: processor_thermal: Suppot 64 bit RFIM responses
 2021-11-10 12:07:22 -08:00
Linus Torvalds
d422555f32 More power management updates for 5.16-rc1 
- Fix 2 intel_pstate driver regressions related to the HWP interrupt
    handling added recently (Srinivas Pandruvada).
 
  - Fix intel_pstate driver regression introduced during the 5.11
    cycle and causing HWP desired performance to be mishandled in
    some cases when switching driver modes and during system
    suspend and shutdown (Rafael Wysocki).
 
  - Fix system-wide device suspend and resume locking to avoid
    deadlocks when device objects are deleted during a system-wide
    PM transition (Rafael Wysocki).
 
  - Modify system-wide suspend of devices to prevent cpuidle drivers
    based on runtime PM from misbehaving during the "no IRQ" phase of
    it (Ulf Hansson).
 
  - Fix return value of _opp_add_static_v2() helper (YueHaibing).
 
  - Fix required-opp handle count (Pavankumar Kondeti).
 
  - Add resource managed OPP helpers, update dev_pm_opp_attach_genpd(),
    update their devfreq users, and make minor DT binding change (Dmitry
    Osipenko).
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Merge tag 'pm-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "These fix three intel_pstate driver regressions, fix locking in the
  core code suspending and resuming devices during system PM
  transitions, fix the handling of cpuidle drivers based on runtime PM
  during system-wide suspend, fix two issues in the operating
  performance points (OPP) framework and resource-managed helpers to it.

  Specifics:

   - Fix two intel_pstate driver regressions related to the HWP
     interrupt handling added recently (Srinivas Pandruvada).

   - Fix intel_pstate driver regression introduced during the 5.11 cycle
     and causing HWP desired performance to be mishandled in some cases
     when switching driver modes and during system suspend and shutdown
     (Rafael Wysocki).

   - Fix system-wide device suspend and resume locking to avoid
     deadlocks when device objects are deleted during a system-wide PM
     transition (Rafael Wysocki).

   - Modify system-wide suspend of devices to prevent cpuidle drivers
     based on runtime PM from misbehaving during the "no IRQ" phase of
     it (Ulf Hansson).

   - Fix return value of _opp_add_static_v2() helper (YueHaibing).

   - Fix required-opp handle count (Pavankumar Kondeti).

   - Add resource managed OPP helpers, update dev_pm_opp_attach_genpd(),
     update their devfreq users, and make minor DT binding change
     (Dmitry Osipenko)"

* tag 'pm-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM: sleep: Avoid calling put_device() under dpm_list_mtx
  cpufreq: intel_pstate: Clear HWP Status during HWP Interrupt enable
  cpufreq: intel_pstate: Fix unchecked MSR 0x773 access
  cpufreq: intel_pstate: Clear HWP desired on suspend/shutdown and offline
  PM: sleep: Fix runtime PM based cpuidle support
  dt-bindings: opp: Allow multi-worded OPP entry name
  opp: Fix return in _opp_add_static_v2()
  PM / devfreq: tegra30: Check whether clk_round_rate() returns zero rate
  PM / devfreq: tegra30: Use resource-managed helpers
  PM / devfreq: Add devm_devfreq_add_governor()
  opp: Add more resource-managed variants of dev_pm_opp_of_add_table()
  opp: Change type of dev_pm_opp_attach_genpd(names) argument
  opp: Fix required-opps phandle array count check
 2021-11-10 11:59:55 -08:00
Linus Torvalds
285fc3db0a More ACPI updates for 5.16-rc1 
- Add support for new ACPI device configuration object called _DSC
    to allow certain devices to be probed without changing their power
    states, document it and make two drivers use it (Sakari Ailus,
    Rajmohan Mani).
 
  - Fix device wakeup power reference counting broken recently by
    mistake (Rafael Wysocki).
 
  - Drop unused symbol and macros depending on it from acgcc.h (Rafael
    Wysocki).
 
  - Add HP ZHAN 66 Pro to the "no EC wakeup" quirk list (Binbin Zhou).
 
  - Add Xiaomi Mi Pad 2 to the backlight quirk list and drop an unused
    piece of data from all of the list entries (Hans de Goede).
 
  - Fix register read accesses handling in the Intel PMIC operation
    region driver (Hans de Goede).
 
  - Clean up static variables initialization in the EC driver
    (wangzhitong).
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Merge tag 'acpi-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI updates from Rafael Wysocki:
 "These add support for a new ACPI device configuration object called
  _DSC, fix some issues including one recent regression, add two new
  items to quirk lists and clean up assorted pieces of code.

  Specifics:

   - Add support for new ACPI device configuration object called _DSC
     ("Deepest State for Configuration") to allow certain devices to be
     probed without changing their power states, document it and make
     two drivers use it (Sakari Ailus, Rajmohan Mani).

   - Fix device wakeup power reference counting broken recently by
     mistake (Rafael Wysocki).

   - Drop unused symbol and macros depending on it from acgcc.h (Rafael
     Wysocki).

   - Add HP ZHAN 66 Pro to the "no EC wakeup" quirk list (Binbin Zhou).

   - Add Xiaomi Mi Pad 2 to the backlight quirk list and drop an unused
     piece of data from all of the list entries (Hans de Goede).

   - Fix register read accesses handling in the Intel PMIC operation
     region driver (Hans de Goede).

   - Clean up static variables initialization in the EC driver
     (wangzhitong)"

* tag 'acpi-5.16-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  Documentation: ACPI: Fix non-D0 probe _DSC object example
  ACPI: Drop ACPI_USE_BUILTIN_STDARG ifdef from acgcc.h
  ACPI: PM: Fix device wakeup power reference counting error
  ACPI: video: use platform backlight driver on Xiaomi Mi Pad 2
  ACPI: video: Drop dmi_system_id.ident settings from video_detect_dmi_table[]
  ACPI: PMIC: Fix intel_pmic_regs_handler() read accesses
  ACPI: EC: Remove initialization of static variables to false
  ACPI: EC: Use ec_no_wakeup on HP ZHAN 66 Pro
  at24: Support probing while in non-zero ACPI D state
  media: i2c: imx319: Support device probe in non-zero ACPI D state
  ACPI: Add a convenience function to tell a device is in D0 state
  Documentation: ACPI: Document _DSC object usage for enum power state
  i2c: Allow an ACPI driver to manage the device's power state during probe
  ACPI: scan: Obtain device's desired enumeration power state
 2021-11-10 11:52:40 -08:00
Linus Torvalds
e68a7d35bb dmaengine updates for v5.16-rc1 
Updates:
  - Another pile of idxd updates
  - pm routines cleanup for at_xdmac driver
  - Correct handling of callback_result for few drivers
  - zynqmp_dma driver updates and descriptor management refinement
  - Hardware handshaking support for dw-axi-dmac
  - Support for remotely powered controllers in Qcom bam dma
  - tegra driver updates
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Merge tag 'dmaengine-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine

Pull dmaengine updates from Vinod Koul:
 "A bunch of driver updates, no new driver or controller support this
  time though:

   - Another pile of idxd updates

   - pm routines cleanup for at_xdmac driver

   - Correct handling of callback_result for few drivers

   - zynqmp_dma driver updates and descriptor management refinement

   - Hardware handshaking support for dw-axi-dmac

   - Support for remotely powered controllers in Qcom bam dma

   - tegra driver updates"

* tag 'dmaengine-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (69 commits)
  dmaengine: ti: k3-udma: Set r/tchan or rflow to NULL if request fail
  dmaengine: ti: k3-udma: Set bchan to NULL if a channel request fail
  dmaengine: stm32-dma: avoid 64-bit division in stm32_dma_get_max_width
  dmaengine: fsl-edma: support edma memcpy
  dmaengine: idxd: fix resource leak on dmaengine driver disable
  dmaengine: idxd: cleanup completion record allocation
  dmaengine: zynqmp_dma: Correctly handle descriptor callbacks
  dmaengine: xilinx_dma: Correctly handle cyclic descriptor callbacks
  dmaengine: altera-msgdma: Correctly handle descriptor callbacks
  dmaengine: at_xdmac: fix compilation warning
  dmaengine: dw-axi-dmac: Simplify assignment in dma_chan_pause()
  dmaengine: qcom: bam_dma: Add "powered remotely" mode
  dt-bindings: dmaengine: bam_dma: Add "powered remotely" mode
  dmaengine: sa11x0: Mark PM functions as __maybe_unused
  dmaengine: switch from 'pci_' to 'dma_' API
  dmaengine: ioat: switch from 'pci_' to 'dma_' API
  dmaengine: hsu: switch from 'pci_' to 'dma_' API
  dmaengine: hisi_dma: switch from 'pci_' to 'dma_' API
  dmaengine: dw: switch from 'pci_' to 'dma_' API
  dmaengine: dw-edma-pcie: switch from 'pci_' to 'dma_' API
  ...
 2021-11-10 11:47:55 -08:00
Linus Torvalds
d4efc0de00 chrome platform changes for 5.16 
cros_ec_typec:
 * Clean up use of cros_ec_check_features
 
 cros_ec_*:
 * Rename and move cros_ec_pd_command to cros_ec_command, and make changes to
   cros_ec_typec and cros_ec_proto to use the new common command, reducing
   duplication.
 
 sensorhub:
 * simplify getting .driver_data in cros_ec_sensors_core and cros_ec_sensorhub
 
 misc:
 * Maintainership change. Enric Balletbo i Serra has moved on from Collabora,
   so removing him from chrome/platform maintainers. Thanks for all of your
   hard work maintaining this, Enric, and best of luck to you in your new role!
 * Add Prashant Malani as driver maintainer for cros_ec_typec.c and
   cros_usbpd_notify. He was already principal contributor of these drivers.
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Merge tag 'tag-chrome-platform-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux

Pull chrome platform updates from Benson Leung:
 "cros_ec_typec:

   - Clean up use of cros_ec_check_features

  cros_ec_*:

   - Rename and move cros_ec_pd_command to cros_ec_command, and make
     changes to cros_ec_typec and cros_ec_proto to use the new common
     command, reducing duplication.

  sensorhub:

   - simplify getting .driver_data in cros_ec_sensors_core and
     cros_ec_sensorhub

  misc:

   - Maintainership change. Enric Balletbo i Serra has moved on from
     Collabora, so removing him from chrome/platform maintainers. Thanks
     for all of your hard work maintaining this, Enric, and best of luck
     to you in your new role!

   - Add Prashant Malani as driver maintainer for cros_ec_typec.c and
     cros_usbpd_notify. He was already principal contributor of these
     drivers"

* tag 'tag-chrome-platform-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
  platform/chrome: cros_ec_proto: Use ec_command for check_features
  platform/chrome: cros_ec_proto: Use EC struct for features
  MAINTAINERS: Chrome: Drop Enric Balletbo i Serra
  platform/chrome: cros_ec_typec: Use cros_ec_command()
  platform/chrome: cros_ec_proto: Add version for ec_command
  platform/chrome: cros_ec_proto: Make data pointers void
  platform/chrome: cros_usbpd_notify: Move ec_command()
  platform/chrome: cros_usbpd_notify: Rename cros_ec_pd_command()
  platform/chrome: cros_ec: Fix spelling mistake "responsed" -> "response"
  platform/chrome: cros_ec_sensorhub: simplify getting .driver_data
  iio: common: cros_ec_sensors: simplify getting .driver_data
  platform/chrome: cros-ec-typec: Cleanup use of check_features
  platform/chrome: cros_ec_proto: Fix check_features ret val
  MAINTAINERS: Add Prashant's maintainership of cros_ec drivers
 2021-11-10 11:36:43 -08:00
Linus Torvalds
89fa0be0a0 arm64 fixes for -rc1 
- Fix double-evaluation of 'pte' macro argument when using 52-bit PAs
 
 - Fix signedness of some MTE prctl PR_* constants
 
 - Fix kmemleak memory usage by skipping early pgtable allocations
 
 - Fix printing of CPU feature register strings
 
 - Remove redundant -nostdlib linker flag for vDSO binaries
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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:

 - Fix double-evaluation of 'pte' macro argument when using 52-bit PAs

 - Fix signedness of some MTE prctl PR_* constants

 - Fix kmemleak memory usage by skipping early pgtable allocations

 - Fix printing of CPU feature register strings

 - Remove redundant -nostdlib linker flag for vDSO binaries

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: pgtable: make __pte_to_phys/__phys_to_pte_val inline functions
  arm64: Track no early_pgtable_alloc() for kmemleak
  arm64: mte: change PR_MTE_TCF_NONE back into an unsigned long
  arm64: vdso: remove -nostdlib compiler flag
  arm64: arm64_ftr_reg->name may not be a human-readable string
 2021-11-10 11:29:30 -08:00
Linus Torvalds
3f55f177ed ARM: SoC fixes for v5.16 
This is one set of fixes for the NXP/FSL DPAA2 drivers, addressing
 a few minor issues. I received these just after sending out the
 last v5.15 fixes, and nothing in here seemed urgent enough for
 a quick follow-up.
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Merge tag 'arm-fixes-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "This is one set of fixes for the NXP/FSL DPAA2 drivers, addressing a
  few minor issues. I received these just after sending out the last
  v5.15 fixes, and nothing in here seemed urgent enough for a quick
  follow-up"

* tag 'arm-fixes-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  soc: fsl: dpaa2-console: free buffer before returning from dpaa2_console_read
  soc: fsl: dpio: use the combined functions to protect critical zone
  soc: fsl: dpio: replace smp_processor_id with raw_smp_processor_id
 2021-11-10 11:25:37 -08:00
Linus Torvalds
e8f023caee asm-generic: asm/syscall.h cleanup 
This is a single cleanup from Peter Collingbourne, removing
 some dead code.
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Merge tag 'asm-generic-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic cleanup from Arnd Bergmann:
 "This is a single cleanup from Peter Collingbourne, removing some dead
  code"

* tag 'asm-generic-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  arch: remove unused function syscall_set_arguments()
 2021-11-10 11:22:03 -08:00
Linus Torvalds
bf98ecbbae xen: branch for v5.16-rc1 
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Merge tag 'for-linus-5.16b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen updates from Juergen Gross:

 - a series to speed up the boot of Xen PV guests

 - some cleanups in Xen related code

 - replacement of license texts with the appropriate SPDX headers and
   fixing of wrong SPDX headers in Xen header files

 - a small series making paravirtualized interrupt masking much simpler
   and at the same time removing complaints of objtool

 - a fix for Xen ballooning hogging workqueues for too long

 - enablement of the Xen pciback driver for Arm

 - some further small fixes/enhancements

* tag 'for-linus-5.16b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (22 commits)
  xen/balloon: fix unused-variable warning
  xen/balloon: rename alloc/free_xenballooned_pages
  xen/balloon: add late_initcall_sync() for initial ballooning done
  x86/xen: remove 32-bit awareness from startup_xen
  xen: remove highmem remnants
  xen: allow pv-only hypercalls only with CONFIG_XEN_PV
  x86/xen: remove 32-bit pv leftovers
  xen-pciback: allow compiling on other archs than x86
  x86/xen: switch initial pvops IRQ functions to dummy ones
  x86/xen: remove xen_have_vcpu_info_placement flag
  x86/pvh: add prototype for xen_pvh_init()
  xen: Fix implicit type conversion
  xen: fix wrong SPDX headers of Xen related headers
  xen/pvcalls-back: Remove redundant 'flush_workqueue()' calls
  x86/xen: Remove redundant irq_enter/exit() invocations
  xen-pciback: Fix return in pm_ctrl_init()
  xen/x86: restrict PV Dom0 identity mapping
  xen/x86: there's no highmem anymore in PV mode
  xen/x86: adjust handling of the L3 user vsyscall special page table
  xen/x86: adjust xen_set_fixmap()
  ...
 2021-11-10 11:14:21 -08:00
Linus Torvalds
4287af3511 libnvdimm for v5.16 
- Continue the cleanup of the dax api in preparation for a dax-device
   block-device divorce.
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Merge tag 'libnvdimm-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm update from Dan Williams:
 "A single cleanup that precedes some deeper PMEM/DAX reworks that did
  not settle in time for v5.16:

   - Continue the cleanup of the dax api in preparation for a dax-device
     block-device divorce"

* tag 'libnvdimm-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  nvdimm/pmem: move dax_attribute_group from dax to pmem
 2021-11-10 10:56:02 -08:00
Linus Torvalds
89d714ab60 linux-watchdog 5.16-rc1 tag 
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Merge tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:

 - f71808e_wdt: convert to watchdog framework

 - db8500_wdt: Rename driver (was ux500_wdt.c)

 - sunxi: Add compatibles for R329 and D1

 - mtk: add disable_wdt_extrst support

 - several other small fixes and improvements

* tag 'linux-watchdog-5.16-rc1' of git://www.linux-watchdog.org/linux-watchdog: (30 commits)
  watchdog: db8500_wdt: Rename symbols
  watchdog: db8500_wdt: Rename driver
  watchdog: ux500_wdt: Drop platform data
  watchdog: bcm63xx_wdt: fix fallthrough warning
  watchdog: iTCO_wdt: No need to stop the timer in probe
  watchdog: s3c2410: describe driver in KConfig
  watchdog: sp5100_tco: Add support for get_timeleft
  watchdog: mtk: add disable_wdt_extrst support
  dt-bindings: watchdog: mtk-wdt: add disable_wdt_extrst support
  watchdog: rza_wdt: Use semicolons instead of commas
  watchdog: mlx-wdt: Use regmap_write_bits()
  watchdog: rti-wdt: Make use of the helper function devm_platform_ioremap_resource()
  watchdog: iTCO_wdt: Make use of the helper function devm_platform_ioremap_resource()
  watchdog: ar7_wdt: Make use of the helper function devm_platform_ioremap_resource_byname()
  watchdog: sunxi_wdt: Add support for D1
  dt-bindings: watchdog: sunxi: Add compatibles for D1
  ar7: fix kernel builds for compiler test
  dt-bindings: watchdog: sunxi: Add compatibles for R329
  watchdog: meson_gxbb_wdt: add timeout parameter
  watchdog: meson_gxbb_wdt: add nowayout parameter
  ...
 2021-11-10 09:41:22 -08:00
Linus Torvalds
bd485d274b remoteproc updates for v5.16 
The remoteproc repo is moved to a new path on git.kernel.org, to allow
 Mathieu push access to the branches.
 
 Support for the Mediatek MT8195 SCP was added, the related DeviceTree
 binding was converted to YAML and MT8192 SCP was documented as well.
 
 Amlogic Meson6, Meson8, Meson8b and Meson8m2 has an ARC core to aid in
 resuming the system after suspend, a new remoteproc driver for booting
 this core is introduced.
 
 A new driver to support the DSP processor found on NXP i.MX8QM,
 i.MX8QXP, i.MX8MP and i.MX8ULP is added.
 
 The Qualcomm modem and TrustZone based remoteproc drivers gains support
 for the modem in SC7280 and MSM8996 gains support for a missing
 power-domain.
 
 Throughout the Qualcomm drivers, the support for informing the always-on
 power coprocessor about the state of each remoteproc is reworked to
 avoid complications related to our use of genpd and the system suspend
 state.
 
 Lastly a number of small fixes are found throughout the drivers and
 framework.
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Merge tag 'rproc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull remoteproc updates from Bjorn Andersson:
 "The remoteproc repo is moved to a new path on git.kernel.org, to allow
  Mathieu push access to the branches.

  Support for the Mediatek MT8195 SCP was added, the related DeviceTree
  binding was converted to YAML and MT8192 SCP was documented as well.

  Amlogic Meson6, Meson8, Meson8b and Meson8m2 has an ARC core to aid in
  resuming the system after suspend, a new remoteproc driver for booting
  this core is introduced.

  A new driver to support the DSP processor found on NXP i.MX8QM,
  i.MX8QXP, i.MX8MP and i.MX8ULP is added.

  The Qualcomm modem and TrustZone based remoteproc drivers gains
  support for the modem in SC7280 and MSM8996 gains support for a
  missing power-domain.

  Throughout the Qualcomm drivers, the support for informing the
  always-on power coprocessor about the state of each remoteproc is
  reworked to avoid complications related to our use of genpd and the
  system suspend state.

  Lastly a number of small fixes are found throughout the drivers and
  framework"

* tag 'rproc-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (39 commits)
  remoteproc: Remove vdev_to_rvdev and vdev_to_rproc from remoteproc API
  remoteproc: omap_remoteproc: simplify getting .driver_data
  remoteproc: qcom_q6v5_mss: Use devm_platform_ioremap_resource_byname() to simplify code
  remoteproc: Fix a memory leak in an error handling path in 'rproc_handle_vdev()'
  remoteproc: Fix spelling mistake "atleast" -> "at least"
  remoteproc: imx_dsp_rproc: mark PM functions as __maybe_unused
  remoteproc: imx_dsp_rproc: Correct the comment style of copyright
  dt-bindings: dsp: fsl: Update binding document for remote proc driver
  remoteproc: imx_dsp_rproc: Add remoteproc driver for DSP on i.MX
  remoteproc: imx_rproc: Add IMX_RPROC_SCU_API method
  remoteproc: imx_rproc: Move common structure to header file
  rpmsg: char: Remove useless include
  remoteproc: meson-mx-ao-arc: fix a bit test
  remoteproc: mss: q6v5-mss: Add modem support on SC7280
  dt-bindings: remoteproc: qcom: Update Q6V5 Modem PIL binding
  remoteproc: qcom: pas: Add SC7280 Modem support
  dt-bindings: remoteproc: qcom: pas: Add SC7280 MPSS support
  remoteproc: qcom: pas: Use the same init resources for MSM8996 and MSM8998
  MAINTAINERS: Update remoteproc repo url
  dt-bindings: remoteproc: k3-dsp: Cleanup SoC compatible from DT example
  ...
 2021-11-10 09:07:26 -08:00
Linus Torvalds
becc1fb4f3 rpmsg updates for v5.16 
For the GLINK implementation this adds support for splitting outgoing
 messages that are too large to fit in the fifo, it introduces the use of
 "read notifications", to avoid polling in the case where the outgoing
 fifo is full and a few bugs are squashed.
 
 The return value of rpmsg_create_ept() for when RPMSG is disabled is
 corrected to return a valid error, the Mediatek rpmsg driver is updated
 to match the DT binding and a couple of cleanups are done in the virtio
 rpmsg driver.
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Merge tag 'rpmsg-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux

Pull rpmsg updates from Bjorn Andersson:
 "For the GLINK implementation this adds support for splitting outgoing
  messages that are too large to fit in the fifo, it introduces the use
  of "read notifications", to avoid polling in the case where the
  outgoing fifo is full and a few bugs are squashed.

  The return value of rpmsg_create_ept() for when RPMSG is disabled is
  corrected to return a valid error, the Mediatek rpmsg driver is
  updated to match the DT binding and a couple of cleanups are done in
  the virtio rpmsg driver"

* tag 'rpmsg-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
  rpmsg: glink: Send READ_NOTIFY command in FIFO full case
  rpmsg: glink: Remove channel decouple from rpdev release
  rpmsg: glink: Remove the rpmsg dev in close_ack
  rpmsg: glink: Add TX_DATA_CONT command while sending
  rpmsg: virtio_rpmsg_bus: use dev_warn_ratelimited for msg with no recipient
  rpmsg: virtio: Remove unused including <linux/of_device.h>
  rpmsg: Change naming of mediatek rpmsg property
  rpmsg: Fix rpmsg_create_ept return when RPMSG config is not defined
  rpmsg: glink: Replace strncpy() with strscpy_pad()
 2021-11-10 09:05:11 -08:00
Jiri Olsa
2e6e9058d1 ftrace/direct: Fix lockup in modify_ftrace_direct_multi 
We can't call unregister_ftrace_function under ftrace_lock.

Link: https://lkml.kernel.org/r/20211109114217.1645296-1-jolsa@kernel.org

Fixes: ed29271894 ("ftrace/direct: Do not disable when switching direct callers")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
 2021-11-10 11:56:43 -05:00