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24fb316155
21728 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
7ebfc85e2c |
Including fixes from bluetooth, bpf, can and netfilter.
A little longer PR than usual but it's all fixes, no late features.
It's long partially because of timing, and partially because of
follow ups to stuff that got merged a week or so before the merge
window and wasn't as widely tested. Maybe the Bluetooth fixes are
a little alarming so we'll address that, but the rest seems okay
and not scary.
Notably we're including a fix for the netfilter Kconfig [1], your
WiFi warning [2] and a bluetooth fix which should unblock syzbot [3].
Current release - regressions:
- Bluetooth:
- don't try to cancel uninitialized works [3]
- L2CAP: fix use-after-free caused by l2cap_chan_put
- tls: rx: fix device offload after recent rework
- devlink: fix UAF on failed reload and leftover locks in mlxsw
Current release - new code bugs:
- netfilter:
- flowtable: fix incorrect Kconfig dependencies [1]
- nf_tables: fix crash when nf_trace is enabled
- bpf:
- use proper target btf when exporting attach_btf_obj_id
- arm64: fixes for bpf trampoline support
- Bluetooth:
- ISO: unlock on error path in iso_sock_setsockopt()
- ISO: fix info leak in iso_sock_getsockopt()
- ISO: fix iso_sock_getsockopt for BT_DEFER_SETUP
- ISO: fix memory corruption on iso_pinfo.base
- ISO: fix not using the correct QoS
- hci_conn: fix updating ISO QoS PHY
- phy: dp83867: fix get nvmem cell fail
Previous releases - regressions:
- wifi: cfg80211: fix validating BSS pointers in
__cfg80211_connect_result [2]
- atm: bring back zatm uAPI after ATM had been removed
- properly fix old bug making bonding ARP monitor mode not being
able to work with software devices with lockless Tx
- tap: fix null-deref on skb->dev in dev_parse_header_protocol
- revert "net: usb: ax88179_178a needs FLAG_SEND_ZLP" it helps
some devices and breaks others
- netfilter:
- nf_tables: many fixes rejecting cross-object linking
which may lead to UAFs
- nf_tables: fix null deref due to zeroed list head
- nf_tables: validate variable length element extension
- bgmac: fix a BUG triggered by wrong bytes_compl
- bcmgenet: indicate MAC is in charge of PHY PM
Previous releases - always broken:
- bpf:
- fix bad pointer deref in bpf_sys_bpf() injected via test infra
- disallow non-builtin bpf programs calling the prog_run command
- don't reinit map value in prealloc_lru_pop
- fix UAFs during the read of map iterator fd
- fix invalidity check for values in sk local storage map
- reject sleepable program for non-resched map iterator
- mptcp:
- move subflow cleanup in mptcp_destroy_common()
- do not queue data on closed subflows
- virtio_net: fix memory leak inside XDP_TX with mergeable
- vsock: fix memory leak when multiple threads try to connect()
- rework sk_user_data sharing to prevent psock leaks
- geneve: fix TOS inheriting for ipv4
- tunnels & drivers: do not use RT_TOS for IPv6 flowlabel
- phy: c45 baset1: do not skip aneg configuration if clock role
is not specified
- rose: avoid overflow when /proc displays timer information
- x25: fix call timeouts in blocking connects
- can: mcp251x: fix race condition on receive interrupt
- can: j1939:
- replace user-reachable WARN_ON_ONCE() with netdev_warn_once()
- fix memory leak of skbs in j1939_session_destroy()
Misc:
- docs: bpf: clarify that many things are not uAPI
- seg6: initialize induction variable to first valid array index
(to silence clang vs objtool warning)
- can: ems_usb: fix clang 14's -Wunaligned-access warning
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, bpf, can and netfilter.
A little larger than usual but it's all fixes, no late features. It's
large partially because of timing, and partially because of follow ups
to stuff that got merged a week or so before the merge window and
wasn't as widely tested. Maybe the Bluetooth fixes are a little
alarming so we'll address that, but the rest seems okay and not scary.
Notably we're including a fix for the netfilter Kconfig [1], your WiFi
warning [2] and a bluetooth fix which should unblock syzbot [3].
Current release - regressions:
- Bluetooth:
- don't try to cancel uninitialized works [3]
- L2CAP: fix use-after-free caused by l2cap_chan_put
- tls: rx: fix device offload after recent rework
- devlink: fix UAF on failed reload and leftover locks in mlxsw
Current release - new code bugs:
- netfilter:
- flowtable: fix incorrect Kconfig dependencies [1]
- nf_tables: fix crash when nf_trace is enabled
- bpf:
- use proper target btf when exporting attach_btf_obj_id
- arm64: fixes for bpf trampoline support
- Bluetooth:
- ISO: unlock on error path in iso_sock_setsockopt()
- ISO: fix info leak in iso_sock_getsockopt()
- ISO: fix iso_sock_getsockopt for BT_DEFER_SETUP
- ISO: fix memory corruption on iso_pinfo.base
- ISO: fix not using the correct QoS
- hci_conn: fix updating ISO QoS PHY
- phy: dp83867: fix get nvmem cell fail
Previous releases - regressions:
- wifi: cfg80211: fix validating BSS pointers in
__cfg80211_connect_result [2]
- atm: bring back zatm uAPI after ATM had been removed
- properly fix old bug making bonding ARP monitor mode not being able
to work with software devices with lockless Tx
- tap: fix null-deref on skb->dev in dev_parse_header_protocol
- revert "net: usb: ax88179_178a needs FLAG_SEND_ZLP" it helps some
devices and breaks others
- netfilter:
- nf_tables: many fixes rejecting cross-object linking which may
lead to UAFs
- nf_tables: fix null deref due to zeroed list head
- nf_tables: validate variable length element extension
- bgmac: fix a BUG triggered by wrong bytes_compl
- bcmgenet: indicate MAC is in charge of PHY PM
Previous releases - always broken:
- bpf:
- fix bad pointer deref in bpf_sys_bpf() injected via test infra
- disallow non-builtin bpf programs calling the prog_run command
- don't reinit map value in prealloc_lru_pop
- fix UAFs during the read of map iterator fd
- fix invalidity check for values in sk local storage map
- reject sleepable program for non-resched map iterator
- mptcp:
- move subflow cleanup in mptcp_destroy_common()
- do not queue data on closed subflows
- virtio_net: fix memory leak inside XDP_TX with mergeable
- vsock: fix memory leak when multiple threads try to connect()
- rework sk_user_data sharing to prevent psock leaks
- geneve: fix TOS inheriting for ipv4
- tunnels & drivers: do not use RT_TOS for IPv6 flowlabel
- phy: c45 baset1: do not skip aneg configuration if clock role is
not specified
- rose: avoid overflow when /proc displays timer information
- x25: fix call timeouts in blocking connects
- can: mcp251x: fix race condition on receive interrupt
- can: j1939:
- replace user-reachable WARN_ON_ONCE() with netdev_warn_once()
- fix memory leak of skbs in j1939_session_destroy()
Misc:
- docs: bpf: clarify that many things are not uAPI
- seg6: initialize induction variable to first valid array index (to
silence clang vs objtool warning)
- can: ems_usb: fix clang 14's -Wunaligned-access warning"
* tag 'net-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (117 commits)
net: atm: bring back zatm uAPI
dpaa2-eth: trace the allocated address instead of page struct
net: add missing kdoc for struct genl_multicast_group::flags
nfp: fix use-after-free in area_cache_get()
MAINTAINERS: use my korg address for mt7601u
mlxsw: minimal: Fix deadlock in ports creation
bonding: fix reference count leak in balance-alb mode
net: usb: qmi_wwan: Add support for Cinterion MV32
bpf: Shut up kern_sys_bpf warning.
net/tls: Use RCU API to access tls_ctx->netdev
tls: rx: device: don't try to copy too much on detach
tls: rx: device: bound the frag walk
net_sched: cls_route: remove from list when handle is 0
selftests: forwarding: Fix failing tests with old libnet
net: refactor bpf_sk_reuseport_detach()
net: fix refcount bug in sk_psock_get (2)
selftests/bpf: Ensure sleepable program is rejected by hash map iter
selftests/bpf: Add write tests for sk local storage map iterator
selftests/bpf: Add tests for reading a dangling map iter fd
bpf: Only allow sleepable program for resched-able iterator
...
|
||
Xu Kuohai
|
aada476655 |
bpf, arm64: Fix bpf trampoline instruction endianness
The sparse tool complains as follows:
arch/arm64/net/bpf_jit_comp.c:1684:16:
warning: incorrect type in assignment (different base types)
arch/arm64/net/bpf_jit_comp.c:1684:16:
expected unsigned int [usertype] *branch
arch/arm64/net/bpf_jit_comp.c:1684:16:
got restricted __le32 [usertype] *
arch/arm64/net/bpf_jit_comp.c:1700:52:
error: subtraction of different types can't work (different base
types)
arch/arm64/net/bpf_jit_comp.c:1734:29:
warning: incorrect type in assignment (different base types)
arch/arm64/net/bpf_jit_comp.c:1734:29:
expected unsigned int [usertype] *
arch/arm64/net/bpf_jit_comp.c:1734:29:
got restricted __le32 [usertype] *
arch/arm64/net/bpf_jit_comp.c:1918:52:
error: subtraction of different types can't work (different base
types)
This is because the variable branch in function invoke_bpf_prog and the
variable branches in function prepare_trampoline are defined as type
u32 *, which conflicts with ctx->image's type __le32 *, so sparse complains
when assignment or arithmetic operation are performed on these two
variables and ctx->image.
Since arm64 instructions are always little-endian, change the type of
these two variables to __le32 * and call cpu_to_le32() to convert
instruction to little-endian before writing it to memory. This is also
in line with emit() which internally does cpu_to_le32(), too.
Fixes:
|
||
Muchun Song
|
2da1c30929 |
mm: hugetlb_vmemmap: delete hugetlb_optimize_vmemmap_enabled()
Patch series "Simplify hugetlb vmemmap and improve its readability", v2.
This series aims to simplify hugetlb vmemmap and improve its readability.
This patch (of 8):
The name hugetlb_optimize_vmemmap_enabled() a bit confusing as it tests
two conditions (enabled and pages in use). Instead of coming up to an
appropriate name, we could just delete it. There is already a discussion
about deleting it in thread [1].
There is only one user of hugetlb_optimize_vmemmap_enabled() outside of
hugetlb_vmemmap, that is flush_dcache_page() in arch/arm64/mm/flush.c.
However, it does not need to call hugetlb_optimize_vmemmap_enabled() in
flush_dcache_page() since HugeTLB pages are always fully mapped and only
head page will be set PG_dcache_clean meaning only head page's flag may
need to be cleared (see commit
|
||
Aijun Sun
|
19f68ed6dc |
bpf, arm64: Allocate program buffer using kvcalloc instead of kcalloc
It is not necessary to allocate contiguous physical memory for BPF program buffer using kcalloc. When the BPF program is large more than memory page size, kcalloc allocates multiple memory pages from buddy system. If the device can not provide sufficient memory, for example in low-end android devices [0], memory allocation for BPF program is likely to fail. Test cases in lib/test_bpf.c all pass on ARM64 QEMU. [0] AndroidTestSuit: page allocation failure: order:4, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=foreground,mems_allowed=0 Call trace: dump_stack+0xa4/0x114 warn_alloc+0xf8/0x14c __alloc_pages_slowpath+0xac8/0xb14 __alloc_pages_nodemask+0x194/0x3d0 kmalloc_order_trace+0x44/0x1e8 __kmalloc+0x29c/0x66c bpf_int_jit_compile+0x17c/0x568 bpf_prog_select_runtime+0x4c/0x1b0 bpf_prepare_filter+0x5fc/0x6bc bpf_prog_create_from_user+0x118/0x1c0 seccomp_set_mode_filter+0x1c4/0x7cc __do_sys_prctl+0x380/0x1424 __arm64_sys_prctl+0x20/0x2c el0_svc_common+0xc8/0x22c el0_svc_handler+0x1c/0x28 el0_svc+0x8/0x100 Signed-off-by: Aijun Sun <aijun.sun@unisoc.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20220804025442.22524-1-aijun.sun@unisoc.com |
||
|
Linus Torvalds
|
eb5699ba31 |
Updates to various subsystems which I help look after. lib, ocfs2,
fatfs, autofs, squashfs, procfs, etc. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCYu9BeQAKCRDdBJ7gKXxA jp1DAP4mjCSvAwYzXklrIt+Knv3CEY5oVVdS+pWOAOGiJpldTAD9E5/0NV+VmlD9 kwS/13j38guulSlXRzDLmitbg81zAAI= =Zfum -----END PGP SIGNATURE----- Merge tag 'mm-nonmm-stable-2022-08-06-2' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc updates from Andrew Morton: "Updates to various subsystems which I help look after. lib, ocfs2, fatfs, autofs, squashfs, procfs, etc. A relatively small amount of material this time" * tag 'mm-nonmm-stable-2022-08-06-2' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (72 commits) scripts/gdb: ensure the absolute path is generated on initial source MAINTAINERS: kunit: add David Gow as a maintainer of KUnit mailmap: add linux.dev alias for Brendan Higgins mailmap: update Kirill's email profile: setup_profiling_timer() is moslty not implemented ocfs2: fix a typo in a comment ocfs2: use the bitmap API to simplify code ocfs2: remove some useless functions lib/mpi: fix typo 'the the' in comment proc: add some (hopefully) insightful comments bdi: remove enum wb_congested_state kernel/hung_task: fix address space of proc_dohung_task_timeout_secs lib/lzo/lzo1x_compress.c: replace ternary operator with min() and min_t() squashfs: support reading fragments in readahead call squashfs: implement readahead squashfs: always build "file direct" version of page actor Revert "squashfs: provide backing_dev_info in order to disable read-ahead" fs/ocfs2: Fix spelling typo in comment ia64: old_rr4 added under CONFIG_HUGETLB_PAGE proc: fix test for "vsyscall=xonly" boot option ... |
||
|
Linus Torvalds
|
6614a3c316 |
- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe
Lin, Yang Shi, Anshuman Khandual and Mike Rapoport
- Some kmemleak fixes from Patrick Wang and Waiman Long
- DAMON updates from SeongJae Park
- memcg debug/visibility work from Roman Gushchin
- vmalloc speedup from Uladzislau Rezki
- more folio conversion work from Matthew Wilcox
- enhancements for coherent device memory mapping from Alex Sierra
- addition of shared pages tracking and CoW support for fsdax, from
Shiyang Ruan
- hugetlb optimizations from Mike Kravetz
- Mel Gorman has contributed some pagealloc changes to improve latency
and realtime behaviour.
- mprotect soft-dirty checking has been improved by Peter Xu
- Many other singleton patches all over the place
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Merge tag 'mm-stable-2022-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"Most of the MM queue. A few things are still pending.
Liam's maple tree rework didn't make it. This has resulted in a few
other minor patch series being held over for next time.
Multi-gen LRU still isn't merged as we were waiting for mapletree to
stabilize. The current plan is to merge MGLRU into -mm soon and to
later reintroduce mapletree, with a view to hopefully getting both
into 6.1-rc1.
Summary:
- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe
Lin, Yang Shi, Anshuman Khandual and Mike Rapoport
- Some kmemleak fixes from Patrick Wang and Waiman Long
- DAMON updates from SeongJae Park
- memcg debug/visibility work from Roman Gushchin
- vmalloc speedup from Uladzislau Rezki
- more folio conversion work from Matthew Wilcox
- enhancements for coherent device memory mapping from Alex Sierra
- addition of shared pages tracking and CoW support for fsdax, from
Shiyang Ruan
- hugetlb optimizations from Mike Kravetz
- Mel Gorman has contributed some pagealloc changes to improve
latency and realtime behaviour.
- mprotect soft-dirty checking has been improved by Peter Xu
- Many other singleton patches all over the place"
[ XFS merge from hell as per Darrick Wong in
https://lore.kernel.org/all/YshKnxb4VwXycPO8@magnolia/ ]
* tag 'mm-stable-2022-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (282 commits)
tools/testing/selftests/vm/hmm-tests.c: fix build
mm: Kconfig: fix typo
mm: memory-failure: convert to pr_fmt()
mm: use is_zone_movable_page() helper
hugetlbfs: fix inaccurate comment in hugetlbfs_statfs()
hugetlbfs: cleanup some comments in inode.c
hugetlbfs: remove unneeded header file
hugetlbfs: remove unneeded hugetlbfs_ops forward declaration
hugetlbfs: use helper macro SZ_1{K,M}
mm: cleanup is_highmem()
mm/hmm: add a test for cross device private faults
selftests: add soft-dirty into run_vmtests.sh
selftests: soft-dirty: add test for mprotect
mm/mprotect: fix soft-dirty check in can_change_pte_writable()
mm: memcontrol: fix potential oom_lock recursion deadlock
mm/gup.c: fix formatting in check_and_migrate_movable_page()
xfs: fail dax mount if reflink is enabled on a partition
mm/memcontrol.c: remove the redundant updating of stats_flush_threshold
userfaultfd: don't fail on unrecognized features
hugetlb_cgroup: fix wrong hugetlb cgroup numa stat
...
|
||
|
Linus Torvalds
|
3bd6e5854b |
asm-generic: updates for 6.0
There are three independent sets of changes:
- Sai Prakash Ranjan adds tracing support to the asm-generic
version of the MMIO accessors, which is intended to help
understand problems with device drivers and has been part
of Qualcomm's vendor kernels for many years.
- A patch from Sebastian Siewior to rework the handling of
IRQ stacks in softirqs across architectures, which is
needed for enabling PREEMPT_RT.
- The last patch to remove the CONFIG_VIRT_TO_BUS option and
some of the code behind that, after the last users of this
old interface made it in through the netdev, scsi, media and
staging trees.
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Merge tag 'asm-generic-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"There are three independent sets of changes:
- Sai Prakash Ranjan adds tracing support to the asm-generic version
of the MMIO accessors, which is intended to help understand
problems with device drivers and has been part of Qualcomm's vendor
kernels for many years
- A patch from Sebastian Siewior to rework the handling of IRQ stacks
in softirqs across architectures, which is needed for enabling
PREEMPT_RT
- The last patch to remove the CONFIG_VIRT_TO_BUS option and some of
the code behind that, after the last users of this old interface
made it in through the netdev, scsi, media and staging trees"
* tag 'asm-generic-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
uapi: asm-generic: fcntl: Fix typo 'the the' in comment
arch/*/: remove CONFIG_VIRT_TO_BUS
soc: qcom: geni: Disable MMIO tracing for GENI SE
serial: qcom_geni_serial: Disable MMIO tracing for geni serial
asm-generic/io: Add logging support for MMIO accessors
KVM: arm64: Add a flag to disable MMIO trace for nVHE KVM
lib: Add register read/write tracing support
drm/meson: Fix overflow implicit truncation warnings
irqchip/tegra: Fix overflow implicit truncation warnings
coresight: etm4x: Use asm-generic IO memory barriers
arm64: io: Use asm-generic high level MMIO accessors
arch/*: Disable softirq stacks on PREEMPT_RT.
|
||
|
Linus Torvalds
|
fad235ed43 |
ARM: SoC: late updates for 6.0
These updates came in after I had already tagged the branches,
but they still seem appropriate for 6.0 and most of them were
part of linux-next through other trees.
- The reset controller tree adds one new driver for the TI TPS380x
power management chip and a few minor changes in other drivers
- Apple M1 now has a DT entry for the NVMe controller after the
driver was merged, and has a new mailing list in the MAINTAINERS
file.
- Fixes for USB on the Socionext Uniphier platforms and the
network controller on Intel Cyclone5.
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Merge tag 'arm-late-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull more ARM SoC updates from Arnd Bergmann:
"These updates came in after I had already tagged the branches, but
they still seem appropriate for 6.0 and most of them were part of
linux-next through other trees.
- The reset controller tree adds one new driver for the TI TPS380x
power management chip and a few minor changes in other drivers
- Apple M1 now has a DT entry for the NVMe controller after the
driver was merged, and has a new mailing list in the MAINTAINERS
file.
- Fixes for USB on the Socionext Uniphier platforms and the network
controller on Intel Cyclone5"
* tag 'arm-late-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
arm64: dts: uniphier: Fix USB interrupts for PXs3 SoC
ARM: dts: uniphier: Fix USB interrupts for PXs2 SoC
arm64: dts: apple: t8103: Add ANS2 NVMe nodes
reset: tps380x: Fix spelling mistake "Voltags" -> "Voltage"
reset: tps380x: Add TPS380x device driver supprt
dt-bindings: reset: Add TPS380x documentation
dt-bindings: reset: renesas,rzg2l-usbphy-ctrl: Document RZ/G2UL USBPHY Control bindings
ARM: dts: add EMAC AXI settings for Cyclone5
reset: reset-simple should depends on HAS_IOMEM
Revert "reset: microchip-sparx5: allow building as a module"
reset: a10sr: allow building under COMPILE_TEST
reset: allow building of reset simple driver if expert config selected
reset: microchip-sparx5: allow building as a module
arm64: dts: apple: Re-parent ANS2 power domains
MAINTAINERS: add ARM/APPLE MACHINE mailing list
|
||
Arnd Bergmann
|
1630eee2d4
|
Merge branch 'arm/fixes' into arm/late
Two bugfixes that came in to update the MAINTAINERS file and fix an issue with USB on the uniphier platform. * arm/fixes: arm64: dts: uniphier: Fix USB interrupts for PXs3 SoC ARM: dts: uniphier: Fix USB interrupts for PXs2 SoC MAINTAINERS: add ARM/APPLE MACHINE mailing list |
||
|
Linus Torvalds
|
eff0cb3d91 |
pci-v5.20-changes
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Merge tag 'pci-v5.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Consolidate duplicated 'next function' scanning and extend to allow
'isolated functions' on s390, similar to existing hypervisors
(Niklas Schnelle)
Resource management:
- Implement pci_iobar_pfn() for sparc, which allows us to remove the
sparc-specific pci_mmap_page_range() and pci_mmap_resource_range().
This removes the ability to map the entire PCI I/O space using
/proc/bus/pci, but we believe that's already been broken since
v2.6.28 (Arnd Bergmann)
- Move common PCI definitions to asm-generic/pci.h and rework others
to be be more specific and more encapsulated in arches that need
them (Stafford Horne)
Power management:
- Convert drivers to new *_PM_OPS macros to avoid need for '#ifdef
CONFIG_PM_SLEEP' or '__maybe_unused' (Bjorn Helgaas)
Virtualization:
- Add ACS quirk for Broadcom BCM5750x multifunction NICs that isolate
the functions but don't advertise an ACS capability (Pavan Chebbi)
Error handling:
- Clear PCI Status register during enumeration in case firmware left
errors logged (Kai-Heng Feng)
- When we have native control of AER, enable error reporting for all
devices that support AER. Previously only a few drivers enabled
this (Stefan Roese)
- Keep AER error reporting enabled for switches. Previously we
enabled this during enumeration but immediately disabled it (Stefan
Roese)
- Iterate over error counters instead of error strings to avoid
printing junk in AER sysfs counters (Mohamed Khalfella)
ASPM:
- Remove pcie_aspm_pm_state_change() so ASPM config changes, e.g.,
via sysfs, are not lost across power state changes (Kai-Heng Feng)
Endpoint framework:
- Don't stop an EPC when unbinding an EPF from it (Shunsuke Mie)
Endpoint embedded DMA controller driver:
- Simplify and clean up support for the DesignWare embedded DMA
(eDMA) controller (Frank Li, Serge Semin)
Broadcom STB PCIe controller driver:
- Avoid config space accesses when link is down because we can't
recover from the CPU aborts these cause (Jim Quinlan)
- Look for power regulators described under Root Ports in DT and
enable them before scanning the secondary bus (Jim Quinlan)
- Disable/enable regulators in suspend/resume (Jim Quinlan)
Freescale i.MX6 PCIe controller driver:
- Simplify and clean up clock and PHY management (Richard Zhu)
- Disable/enable regulators in suspend/resume (Richard Zhu)
- Set PCIE_DBI_RO_WR_EN before writing DBI registers (Richard Zhu)
- Allow speeds faster than Gen2 (Richard Zhu)
- Make link being down a non-fatal error so controller probe doesn't
fail if there are no Endpoints connected (Richard Zhu)
Loongson PCIe controller driver:
- Add ACPI and MCFG support for Loongson LS7A (Huacai Chen)
- Avoid config reads to non-existent LS2K/LS7A devices because a
hardware defect causes machine hangs (Huacai Chen)
- Work around LS7A integrated devices that report incorrect Interrupt
Pin values (Jianmin Lv)
Marvell Aardvark PCIe controller driver:
- Add support for AER and Slot capability on emulated bridge (Pali
Rohár)
MediaTek PCIe controller driver:
- Add Airoha EN7532 to DT binding (John Crispin)
- Allow building of driver for ARCH_AIROHA (Felix Fietkau)
MediaTek PCIe Gen3 controller driver:
- Print decoded LTSSM state when the link doesn't come up (Jianjun
Wang)
NVIDIA Tegra194 PCIe controller driver:
- Convert DT binding to json-schema (Vidya Sagar)
- Add DT bindings and driver support for Tegra234 Root Port and
Endpoint mode (Vidya Sagar)
- Fix some Root Port interrupt handling issues (Vidya Sagar)
- Set default Max Payload Size to 256 bytes (Vidya Sagar)
- Fix Data Link Feature capability programming (Vidya Sagar)
- Extend Endpoint mode support to devices beyond Controller-5 (Vidya
Sagar)
Qualcomm PCIe controller driver:
- Rework clock, reset, PHY power-on ordering to avoid hangs and
improve consistency (Robert Marko, Christian Marangi)
- Move pipe_clk handling to PHY drivers (Dmitry Baryshkov)
- Add IPQ60xx support (Selvam Sathappan Periakaruppan)
- Allow ASPM L1 and substates for 2.7.0 (Krishna chaitanya chundru)
- Add support for more than 32 MSI interrupts (Dmitry Baryshkov)
Renesas R-Car PCIe controller driver:
- Convert DT binding to json-schema (Herve Codina)
- Add Renesas RZ/N1D (R9A06G032) to rcar-gen2 DT binding and driver
(Herve Codina)
Samsung Exynos PCIe controller driver:
- Fix phy-exynos-pcie driver so it follows the 'phy_init() before
phy_power_on()' PHY programming model (Marek Szyprowski)
Synopsys DesignWare PCIe controller driver:
- Simplify and clean up the DWC core extensively (Serge Semin)
- Fix an issue with programming the ATU for regions that cross a 4GB
boundary (Serge Semin)
- Enable the CDM check if 'snps,enable-cdm-check' exists; previously
we skipped it if 'num-lanes' was absent (Serge Semin)
- Allocate a 32-bit DMA-able page to be MSI target instead of using a
driver data structure that may not be addressable with 32-bit
address (Will McVicker)
- Add DWC core support for more than 32 MSI interrupts (Dmitry
Baryshkov)
Xilinx Versal CPM PCIe controller driver:
- Add DT binding and driver support for Versal CPM5 Gen5 Root Port
(Bharat Kumar Gogada)"
* tag 'pci-v5.20-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (150 commits)
PCI: imx6: Support more than Gen2 speed link mode
PCI: imx6: Set PCIE_DBI_RO_WR_EN before writing DBI registers
PCI: imx6: Reformat suspend callback to keep symmetric with resume
PCI: imx6: Move the imx6_pcie_ltssm_disable() earlier
PCI: imx6: Disable clocks in reverse order of enable
PCI: imx6: Do not hide PHY driver callbacks and refine the error handling
PCI: imx6: Reduce resume time by only starting link if it was up before suspend
PCI: imx6: Mark the link down as non-fatal error
PCI: imx6: Move regulator enable out of imx6_pcie_deassert_core_reset()
PCI: imx6: Turn off regulator when system is in suspend mode
PCI: imx6: Call host init function directly in resume
PCI: imx6: Disable i.MX6QDL clock when disabling ref clocks
PCI: imx6: Propagate .host_init() errors to caller
PCI: imx6: Collect clock enables in imx6_pcie_clk_enable()
PCI: imx6: Factor out ref clock disable to match enable
PCI: imx6: Move imx6_pcie_clk_disable() earlier
PCI: imx6: Move imx6_pcie_enable_ref_clk() earlier
PCI: imx6: Move PHY management functions together
PCI: imx6: Move imx6_pcie_grp_offset(), imx6_pcie_configure_type() earlier
PCI: imx6: Convert to NOIRQ_SYSTEM_SLEEP_PM_OPS()
...
|
||
|
Linus Torvalds
|
7c5c3a6177 |
ARM:
* Unwinder implementations for both nVHE modes (classic and
protected), complete with an overflow stack
* Rework of the sysreg access from userspace, with a complete
rewrite of the vgic-v3 view to allign with the rest of the
infrastructure
* Disagregation of the vcpu flags in separate sets to better track
their use model.
* A fix for the GICv2-on-v3 selftest
* A small set of cosmetic fixes
RISC-V:
* Track ISA extensions used by Guest using bitmap
* Added system instruction emulation framework
* Added CSR emulation framework
* Added gfp_custom flag in struct kvm_mmu_memory_cache
* Added G-stage ioremap() and iounmap() functions
* Added support for Svpbmt inside Guest
s390:
* add an interface to provide a hypervisor dump for secure guests
* improve selftests to use TAP interface
* enable interpretive execution of zPCI instructions (for PCI passthrough)
* First part of deferred teardown
* CPU Topology
* PV attestation
* Minor fixes
x86:
* Permit guests to ignore single-bit ECC errors
* Intel IPI virtualization
* Allow getting/setting pending triple fault with KVM_GET/SET_VCPU_EVENTS
* PEBS virtualization
* Simplify PMU emulation by just using PERF_TYPE_RAW events
* More accurate event reinjection on SVM (avoid retrying instructions)
* Allow getting/setting the state of the speaker port data bit
* Refuse starting the kvm-intel module if VM-Entry/VM-Exit controls are inconsistent
* "Notify" VM exit (detect microarchitectural hangs) for Intel
* Use try_cmpxchg64 instead of cmpxchg64
* Ignore benign host accesses to PMU MSRs when PMU is disabled
* Allow disabling KVM's "MONITOR/MWAIT are NOPs!" behavior
* Allow NX huge page mitigation to be disabled on a per-vm basis
* Port eager page splitting to shadow MMU as well
* Enable CMCI capability by default and handle injected UCNA errors
* Expose pid of vcpu threads in debugfs
* x2AVIC support for AMD
* cleanup PIO emulation
* Fixes for LLDT/LTR emulation
* Don't require refcounted "struct page" to create huge SPTEs
* Miscellaneous cleanups:
** MCE MSR emulation
** Use separate namespaces for guest PTEs and shadow PTEs bitmasks
** PIO emulation
** Reorganize rmap API, mostly around rmap destruction
** Do not workaround very old KVM bugs for L0 that runs with nesting enabled
** new selftests API for CPUID
Generic:
* Fix races in gfn->pfn cache refresh; do not pin pages tracked by the cache
* new selftests API using struct kvm_vcpu instead of a (vm, id) tuple
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"Quite a large pull request due to a selftest API overhaul and some
patches that had come in too late for 5.19.
ARM:
- Unwinder implementations for both nVHE modes (classic and
protected), complete with an overflow stack
- Rework of the sysreg access from userspace, with a complete rewrite
of the vgic-v3 view to allign with the rest of the infrastructure
- Disagregation of the vcpu flags in separate sets to better track
their use model.
- A fix for the GICv2-on-v3 selftest
- A small set of cosmetic fixes
RISC-V:
- Track ISA extensions used by Guest using bitmap
- Added system instruction emulation framework
- Added CSR emulation framework
- Added gfp_custom flag in struct kvm_mmu_memory_cache
- Added G-stage ioremap() and iounmap() functions
- Added support for Svpbmt inside Guest
s390:
- add an interface to provide a hypervisor dump for secure guests
- improve selftests to use TAP interface
- enable interpretive execution of zPCI instructions (for PCI
passthrough)
- First part of deferred teardown
- CPU Topology
- PV attestation
- Minor fixes
x86:
- Permit guests to ignore single-bit ECC errors
- Intel IPI virtualization
- Allow getting/setting pending triple fault with
KVM_GET/SET_VCPU_EVENTS
- PEBS virtualization
- Simplify PMU emulation by just using PERF_TYPE_RAW events
- More accurate event reinjection on SVM (avoid retrying
instructions)
- Allow getting/setting the state of the speaker port data bit
- Refuse starting the kvm-intel module if VM-Entry/VM-Exit controls
are inconsistent
- "Notify" VM exit (detect microarchitectural hangs) for Intel
- Use try_cmpxchg64 instead of cmpxchg64
- Ignore benign host accesses to PMU MSRs when PMU is disabled
- Allow disabling KVM's "MONITOR/MWAIT are NOPs!" behavior
- Allow NX huge page mitigation to be disabled on a per-vm basis
- Port eager page splitting to shadow MMU as well
- Enable CMCI capability by default and handle injected UCNA errors
- Expose pid of vcpu threads in debugfs
- x2AVIC support for AMD
- cleanup PIO emulation
- Fixes for LLDT/LTR emulation
- Don't require refcounted "struct page" to create huge SPTEs
- Miscellaneous cleanups:
- MCE MSR emulation
- Use separate namespaces for guest PTEs and shadow PTEs bitmasks
- PIO emulation
- Reorganize rmap API, mostly around rmap destruction
- Do not workaround very old KVM bugs for L0 that runs with nesting enabled
- new selftests API for CPUID
Generic:
- Fix races in gfn->pfn cache refresh; do not pin pages tracked by
the cache
- new selftests API using struct kvm_vcpu instead of a (vm, id)
tuple"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (606 commits)
selftests: kvm: set rax before vmcall
selftests: KVM: Add exponent check for boolean stats
selftests: KVM: Provide descriptive assertions in kvm_binary_stats_test
selftests: KVM: Check stat name before other fields
KVM: x86/mmu: remove unused variable
RISC-V: KVM: Add support for Svpbmt inside Guest/VM
RISC-V: KVM: Use PAGE_KERNEL_IO in kvm_riscv_gstage_ioremap()
RISC-V: KVM: Add G-stage ioremap() and iounmap() functions
KVM: Add gfp_custom flag in struct kvm_mmu_memory_cache
RISC-V: KVM: Add extensible CSR emulation framework
RISC-V: KVM: Add extensible system instruction emulation framework
RISC-V: KVM: Factor-out instruction emulation into separate sources
RISC-V: KVM: move preempt_disable() call in kvm_arch_vcpu_ioctl_run
RISC-V: KVM: Make kvm_riscv_guest_timer_init a void function
RISC-V: KVM: Fix variable spelling mistake
RISC-V: KVM: Improve ISA extension by using a bitmap
KVM, x86/mmu: Fix the comment around kvm_tdp_mmu_zap_leafs()
KVM: SVM: Dump Virtual Machine Save Area (VMSA) to klog
KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT
KVM: x86: Do not block APIC write for non ICR registers
...
|
||
|
Linus Torvalds
|
c1c76700a0 |
SPDX changes for 6.0-rc1
Here is the set of SPDX comment updates for 6.0-rc1. Nothing huge here, just a number of updated SPDX license tags and cleanups based on the review of a number of common patterns in GPLv2 boilerplate text. Also included in here are a few other minor updates, 2 USB files, and one Documentation file update to get the SPDX lines correct. All of these have been in the linux-next tree for a very long time. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYupz3g8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynPUgCgslaf2ssCgW5IeuXbhla+ZBRAzisAnjVgOvLN 4AKdqbiBNlFbCroQwmeQ =v1sg -----END PGP SIGNATURE----- Merge tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx Pull SPDX updates from Greg KH: "Here is the set of SPDX comment updates for 6.0-rc1. Nothing huge here, just a number of updated SPDX license tags and cleanups based on the review of a number of common patterns in GPLv2 boilerplate text. Also included in here are a few other minor updates, two USB files, and one Documentation file update to get the SPDX lines correct. All of these have been in the linux-next tree for a very long time" * tag 'spdx-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: (28 commits) Documentation: samsung-s3c24xx: Add blank line after SPDX directive x86/crypto: Remove stray comment terminator treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_406.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_398.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_391.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_390.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_385.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_319.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_318.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_298.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_292.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_179.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 2) treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_168.RULE (part 1) treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_160.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_152.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_149.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_147.RULE treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_133.RULE ... |
||
|
Linus Torvalds
|
cfeafd9466 |
Driver core / kernfs changes for 6.0-rc1
Here is the set of driver core and kernfs changes for 6.0-rc1.
"biggest" thing in here is some scalability improvements for kernfs for
large systems. Other than that, included in here are:
- arch topology and cache info changes that have been reviewed
and discussed a lot.
- potential error path cleanup fixes
- deferred driver probe cleanups
- firmware loader cleanups and tweaks
- documentation updates
- other small things
All of these have been in the linux-next tree for a while with no
reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core / kernfs updates from Greg KH:
"Here is the set of driver core and kernfs changes for 6.0-rc1.
The "biggest" thing in here is some scalability improvements for
kernfs for large systems. Other than that, included in here are:
- arch topology and cache info changes that have been reviewed and
discussed a lot.
- potential error path cleanup fixes
- deferred driver probe cleanups
- firmware loader cleanups and tweaks
- documentation updates
- other small things
All of these have been in the linux-next tree for a while with no
reported problems"
* tag 'driver-core-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (63 commits)
docs: embargoed-hardware-issues: fix invalid AMD contact email
firmware_loader: Replace kmap() with kmap_local_page()
sysfs docs: ABI: Fix typo in comment
kobject: fix Kconfig.debug "its" grammar
kernfs: Fix typo 'the the' in comment
docs: driver-api: firmware: add driver firmware guidelines. (v3)
arch_topology: Fix cache attributes detection in the CPU hotplug path
ACPI: PPTT: Leave the table mapped for the runtime usage
cacheinfo: Use atomic allocation for percpu cache attributes
drivers/base: fix userspace break from using bin_attributes for cpumap and cpulist
MAINTAINERS: Change mentions of mpm to olivia
docs: ABI: sysfs-devices-soc: Update Lee Jones' email address
docs: ABI: sysfs-class-pwm: Update Lee Jones' email address
Documentation/process: Add embargoed HW contact for LLVM
Revert "kernfs: Change kernfs_notify_list to llist."
ACPI: Remove the unused find_acpi_cpu_cache_topology()
arch_topology: Warn that topology for nested clusters is not supported
arch_topology: Add support for parsing sockets in /cpu-map
arch_topology: Set cluster identifier in each core/thread from /cpu-map
arch_topology: Limit span of cpu_clustergroup_mask()
...
|
||
|
Linus Torvalds
|
f86d1fbbe7 |
Networking changes for 6.0.
Core
----
- Refactor the forward memory allocation to better cope with memory
pressure with many open sockets, moving from a per socket cache to
a per-CPU one
- Replace rwlocks with RCU for better fairness in ping, raw sockets
and IP multicast router.
- Network-side support for IO uring zero-copy send.
- A few skb drop reason improvements, including codegen the source file
with string mapping instead of using macro magic.
- Rename reference tracking helpers to a more consistent
netdev_* schema.
- Adapt u64_stats_t type to address load/store tearing issues.
- Refine debug helper usage to reduce the log noise caused by bots.
BPF
---
- Improve socket map performance, avoiding skb cloning on read
operation.
- Add support for 64 bits enum, to match types exposed by kernel.
- Introduce support for sleepable uprobes program.
- Introduce support for enum textual representation in libbpf.
- New helpers to implement synproxy with eBPF/XDP.
- Improve loop performances, inlining indirect calls when
possible.
- Removed all the deprecated libbpf APIs.
- Implement new eBPF-based LSM flavor.
- Add type match support, which allow accurate queries to the
eBPF used types.
- A few TCP congetsion control framework usability improvements.
- Add new infrastructure to manipulate CT entries via eBPF programs.
- Allow for livepatch (KLP) and BPF trampolines to attach to the same
kernel function.
Protocols
---------
- Introduce per network namespace lookup tables for unix sockets,
increasing scalability and reducing contention.
- Preparation work for Wi-Fi 7 Multi-Link Operation (MLO) support.
- Add support to forciby close TIME_WAIT TCP sockets via user-space
tools.
- Significant performance improvement for the TLS 1.3 receive path,
both for zero-copy and not-zero-copy.
- Support for changing the initial MTPCP subflow priority/backup
status
- Introduce virtually contingus buffers for sockets over RDMA,
to cope better with memory pressure.
- Extend CAN ethtool support with timestamping capabilities
- Refactor CAN build infrastructure to allow building only the needed
features.
Driver API
----------
- Remove devlink mutex to allow parallel commands on multiple links.
- Add support for pause stats in distributed switch.
- Implement devlink helpers to query and flash line cards.
- New helper for phy mode to register conversion.
New hardware / drivers
----------------------
- Ethernet DSA driver for the rockchip mt7531 on BPI-R2 Pro.
- Ethernet DSA driver for the Renesas RZ/N1 A5PSW switch.
- Ethernet DSA driver for the Microchip LAN937x switch.
- Ethernet PHY driver for the Aquantia AQR113C EPHY.
- CAN driver for the OBD-II ELM327 interface.
- CAN driver for RZ/N1 SJA1000 CAN controller.
- Bluetooth: Infineon CYW55572 Wi-Fi plus Bluetooth combo device.
Drivers
-------
- Intel Ethernet NICs:
- i40e: add support for vlan pruning
- i40e: add support for XDP framented packets
- ice: improved vlan offload support
- ice: add support for PPPoE offload
- Mellanox Ethernet (mlx5)
- refactor packet steering offload for performance and scalability
- extend support for TC offload
- refactor devlink code to clean-up the locking schema
- support stacked vlans for bridge offloads
- use TLS objects pool to improve connection rate
- Netronome Ethernet NICs (nfp):
- extend support for IPv6 fields mangling offload
- add support for vepa mode in HW bridge
- better support for virtio data path acceleration (VDPA)
- enable TSO by default
- Microsoft vNIC driver (mana)
- add support for XDP redirect
- Others Ethernet drivers:
- bonding: add per-port priority support
- microchip lan743x: extend phy support
- Fungible funeth: support UDP segmentation offload and XDP xmit
- Solarflare EF100: add support for virtual function representors
- MediaTek SoC: add XDP support
- Mellanox Ethernet/IB switch (mlxsw):
- dropped support for unreleased H/W (XM router).
- improved stats accuracy
- unified bridge model coversion improving scalability
(parts 1-6)
- support for PTP in Spectrum-2 asics
- Broadcom PHYs
- add PTP support for BCM54210E
- add support for the BCM53128 internal PHY
- Marvell Ethernet switches (prestera):
- implement support for multicast forwarding offload
- Embedded Ethernet switches:
- refactor OcteonTx MAC filter for better scalability
- improve TC H/W offload for the Felix driver
- refactor the Microchip ksz8 and ksz9477 drivers to share
the probe code (parts 1, 2), add support for phylink
mac configuration
- Other WiFi:
- Microchip wilc1000: diable WEP support and enable WPA3
- Atheros ath10k: encapsulation offload support
Old code removal:
- Neterion vxge ethernet driver: this is untouched since more than
10 years.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking changes from Paolo Abeni:
"Core:
- Refactor the forward memory allocation to better cope with memory
pressure with many open sockets, moving from a per socket cache to
a per-CPU one
- Replace rwlocks with RCU for better fairness in ping, raw sockets
and IP multicast router.
- Network-side support for IO uring zero-copy send.
- A few skb drop reason improvements, including codegen the source
file with string mapping instead of using macro magic.
- Rename reference tracking helpers to a more consistent netdev_*
schema.
- Adapt u64_stats_t type to address load/store tearing issues.
- Refine debug helper usage to reduce the log noise caused by bots.
BPF:
- Improve socket map performance, avoiding skb cloning on read
operation.
- Add support for 64 bits enum, to match types exposed by kernel.
- Introduce support for sleepable uprobes program.
- Introduce support for enum textual representation in libbpf.
- New helpers to implement synproxy with eBPF/XDP.
- Improve loop performances, inlining indirect calls when possible.
- Removed all the deprecated libbpf APIs.
- Implement new eBPF-based LSM flavor.
- Add type match support, which allow accurate queries to the eBPF
used types.
- A few TCP congetsion control framework usability improvements.
- Add new infrastructure to manipulate CT entries via eBPF programs.
- Allow for livepatch (KLP) and BPF trampolines to attach to the same
kernel function.
Protocols:
- Introduce per network namespace lookup tables for unix sockets,
increasing scalability and reducing contention.
- Preparation work for Wi-Fi 7 Multi-Link Operation (MLO) support.
- Add support to forciby close TIME_WAIT TCP sockets via user-space
tools.
- Significant performance improvement for the TLS 1.3 receive path,
both for zero-copy and not-zero-copy.
- Support for changing the initial MTPCP subflow priority/backup
status
- Introduce virtually contingus buffers for sockets over RDMA, to
cope better with memory pressure.
- Extend CAN ethtool support with timestamping capabilities
- Refactor CAN build infrastructure to allow building only the needed
features.
Driver API:
- Remove devlink mutex to allow parallel commands on multiple links.
- Add support for pause stats in distributed switch.
- Implement devlink helpers to query and flash line cards.
- New helper for phy mode to register conversion.
New hardware / drivers:
- Ethernet DSA driver for the rockchip mt7531 on BPI-R2 Pro.
- Ethernet DSA driver for the Renesas RZ/N1 A5PSW switch.
- Ethernet DSA driver for the Microchip LAN937x switch.
- Ethernet PHY driver for the Aquantia AQR113C EPHY.
- CAN driver for the OBD-II ELM327 interface.
- CAN driver for RZ/N1 SJA1000 CAN controller.
- Bluetooth: Infineon CYW55572 Wi-Fi plus Bluetooth combo device.
Drivers:
- Intel Ethernet NICs:
- i40e: add support for vlan pruning
- i40e: add support for XDP framented packets
- ice: improved vlan offload support
- ice: add support for PPPoE offload
- Mellanox Ethernet (mlx5)
- refactor packet steering offload for performance and scalability
- extend support for TC offload
- refactor devlink code to clean-up the locking schema
- support stacked vlans for bridge offloads
- use TLS objects pool to improve connection rate
- Netronome Ethernet NICs (nfp):
- extend support for IPv6 fields mangling offload
- add support for vepa mode in HW bridge
- better support for virtio data path acceleration (VDPA)
- enable TSO by default
- Microsoft vNIC driver (mana)
- add support for XDP redirect
- Others Ethernet drivers:
- bonding: add per-port priority support
- microchip lan743x: extend phy support
- Fungible funeth: support UDP segmentation offload and XDP xmit
- Solarflare EF100: add support for virtual function representors
- MediaTek SoC: add XDP support
- Mellanox Ethernet/IB switch (mlxsw):
- dropped support for unreleased H/W (XM router).
- improved stats accuracy
- unified bridge model coversion improving scalability (parts 1-6)
- support for PTP in Spectrum-2 asics
- Broadcom PHYs
- add PTP support for BCM54210E
- add support for the BCM53128 internal PHY
- Marvell Ethernet switches (prestera):
- implement support for multicast forwarding offload
- Embedded Ethernet switches:
- refactor OcteonTx MAC filter for better scalability
- improve TC H/W offload for the Felix driver
- refactor the Microchip ksz8 and ksz9477 drivers to share the
probe code (parts 1, 2), add support for phylink mac
configuration
- Other WiFi:
- Microchip wilc1000: diable WEP support and enable WPA3
- Atheros ath10k: encapsulation offload support
Old code removal:
- Neterion vxge ethernet driver: this is untouched since more than 10 years"
* tag 'net-next-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1890 commits)
doc: sfp-phylink: Fix a broken reference
wireguard: selftests: support UML
wireguard: allowedips: don't corrupt stack when detecting overflow
wireguard: selftests: update config fragments
wireguard: ratelimiter: use hrtimer in selftest
net/mlx5e: xsk: Discard unaligned XSK frames on striding RQ
net: usb: ax88179_178a: Bind only to vendor-specific interface
selftests: net: fix IOAM test skip return code
net: usb: make USB_RTL8153_ECM non user configurable
net: marvell: prestera: remove reduntant code
octeontx2-pf: Reduce minimum mtu size to 60
net: devlink: Fix missing mutex_unlock() call
net/tls: Remove redundant workqueue flush before destroy
net: txgbe: Fix an error handling path in txgbe_probe()
net: dsa: Fix spelling mistakes and cleanup code
Documentation: devlink: add add devlink-selftests to the table of contents
dccp: put dccp_qpolicy_full() and dccp_qpolicy_push() in the same lock
net: ionic: fix error check for vlan flags in ionic_set_nic_features()
net: ice: fix error NETIF_F_HW_VLAN_CTAG_FILTER check in ice_vsi_sync_fltr()
nfp: flower: add support for tunnel offload without key ID
...
|
||
|
Linus Torvalds
|
97a77ab14f |
EFI updates for v5.20
- Enable mirrored memory for arm64 - Fix up several abuses of the efivar API - Refactor the efivar API in preparation for moving the 'business logic' part of it into efivarfs - Enable ACPI PRM on arm64 -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE+9lifEBpyUIVN1cpw08iOZLZjyQFAmLhuDIACgkQw08iOZLZ jyS9IQv/Wc2nhjN50S3gfrL+68/el/hGdP/J0FK5BOOjNosG2t1ZNYZtSthXqpPH hRrTU2m6PpQUalRpFDyLiHkJvdBFQe4VmvrzBa3TIBIzyflLQPJzkWrqThPchV+B qi4lmCtTDNIEJmayewqx1wWA+QmUiyI5zJ8wrZp84LTctBPL75seVv0SB20nqai0 3/I73omB2RLVGpCpeWvb++vePXL8euFW3FEwCTM8hRboICjORTyIZPy8Y5os+3xT UgrIgVDOtn1Xwd4tK0qVwjOVA51east4Fcn3yGOrL40t+3SFm2jdpAJOO3UvyNPl vkbtjvXsIjt3/oxreKxXHLbamKyueWIfZRyCLsrg6wrr96oypPk6ID4iDCQoen/X Zf0VjM2vmvSd4YgnEIblOfSBxVg48cHJA4iVHVxFodNTrVnzGGFYPTmNKmJqo+Xn JeUILM7jlR4h/t0+cTTK3Busu24annTuuz5L5rjf4bUm6pPf4crb1yJaFWtGhlpa er233D6O =zI0R -----END PGP SIGNATURE----- Merge tag 'efi-next-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - Enable mirrored memory for arm64 - Fix up several abuses of the efivar API - Refactor the efivar API in preparation for moving the 'business logic' part of it into efivarfs - Enable ACPI PRM on arm64 * tag 'efi-next-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: (24 commits) ACPI: Move PRM config option under the main ACPI config ACPI: Enable Platform Runtime Mechanism(PRM) support on ARM64 ACPI: PRM: Change handler_addr type to void pointer efi: Simplify arch_efi_call_virt() macro drivers: fix typo in firmware/efi/memmap.c efi: vars: Drop __efivar_entry_iter() helper which is no longer used efi: vars: Use locking version to iterate over efivars linked lists efi: pstore: Omit efivars caching EFI varstore access layer efi: vars: Add thin wrapper around EFI get/set variable interface efi: vars: Don't drop lock in the middle of efivar_init() pstore: Add priv field to pstore_record for backend specific use Input: applespi - avoid efivars API and invoke EFI services directly selftests/kexec: remove broken EFI_VARS secure boot fallback check brcmfmac: Switch to appropriate helper to load EFI variable contents iwlwifi: Switch to proper EFI variable store interface media: atomisp_gmin_platform: stop abusing efivar API efi: efibc: avoid efivar API for setting variables efi: avoid efivars layer when loading SSDTs from variables efi: Correct comment on efi_memmap_alloc memblock: Disable mirror feature if kernelcore is not specified ... |
||
|
Linus Torvalds
|
7d9d077c78 |
RCU pull request for v5.20 (or whatever)
This pull request contains the following branches: doc.2022.06.21a: Documentation updates. fixes.2022.07.19a: Miscellaneous fixes. nocb.2022.07.19a: Callback-offload updates, perhaps most notably a new RCU_NOCB_CPU_DEFAULT_ALL Kconfig option that causes all CPUs to be offloaded at boot time, regardless of kernel boot parameters. This is useful to battery-powered systems such as ChromeOS and Android. In addition, a new RCU_NOCB_CPU_CB_BOOST kernel boot parameter prevents offloaded callbacks from interfering with real-time workloads and with energy-efficiency mechanisms. poll.2022.07.21a: Polled grace-period updates, perhaps most notably making these APIs account for both normal and expedited grace periods. rcu-tasks.2022.06.21a: Tasks RCU updates, perhaps most notably reducing the CPU overhead of RCU tasks trace grace periods by more than a factor of two on a system with 15,000 tasks. The reduction is expected to increase with the number of tasks, so it seems reasonable to hypothesize that a system with 150,000 tasks might see a 20-fold reduction in CPU overhead. torture.2022.06.21a: Torture-test updates. ctxt.2022.07.05a: Updates that merge RCU's dyntick-idle tracking into context tracking, thus reducing the overhead of transitioning to kernel mode from either idle or nohz_full userspace execution for kernels that track context independently of RCU. This is expected to be helpful primarily for kernels built with CONFIG_NO_HZ_FULL=y. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmLgMcgTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jArXD/0fjbCwqpRjHVTzjMY8jN4zDkqZZD6m g8Fx27hZ4ToNFwRptyHwNezrNj14skjAJEXfdjaVw32W62ivXvf0HINvSzsTLCSq k2kWyBdXLc9CwY5p5W4smnpn5VoAScjg5PoPL59INoZ/Zziji323C7Zepl/1DYJt 0T6bPCQjo1ZQoDUCyVpSjDmAqxnderWG0MeJVt74GkLqmnYLANg0GH8c7mH4+9LL kVGlLp5nlPgNJ4FEoFdMwNU8T/ETmaVld/m2dkiawjkXjJzB2XKtBigU91DDmXz5 7DIdV4ABrxiy4kGNqtIe/jFgnKyVD7xiDpyfjd6KTeDr/rDS8u2ZH7+1iHsyz3g0 Np/tS3vcd0KR+gI/d0eXxPbgm5sKlCmKw/nU2eArpW/+4LmVXBUfHTG9Jg+LJmBc JrUh6aEdIZJZHgv/nOQBNig7GJW43IG50rjuJxAuzcxiZNEG5lUSS23ysaA9CPCL PxRWKSxIEfK3kdmvVO5IIbKTQmIBGWlcWMTcYictFSVfBgcCXpPAksGvqA5JiUkc egW+xLFo/7K+E158vSKsVqlWZcEeUbsNJ88QOlpqnRgH++I2Yv/LhK41XfJfpH+Y ALxVaDd+mAq6v+qSHNVq9wT3ozXIPy/zK1hDlMIqx40h2YvaEsH4je+521oSoN9r vX60+QNxvUBLwA== =vUNm -----END PGP SIGNATURE----- Merge tag 'rcu.2022.07.26a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull RCU updates from Paul McKenney: - Documentation updates - Miscellaneous fixes - Callback-offload updates, perhaps most notably a new RCU_NOCB_CPU_DEFAULT_ALL Kconfig option that causes all CPUs to be offloaded at boot time, regardless of kernel boot parameters. This is useful to battery-powered systems such as ChromeOS and Android. In addition, a new RCU_NOCB_CPU_CB_BOOST kernel boot parameter prevents offloaded callbacks from interfering with real-time workloads and with energy-efficiency mechanisms - Polled grace-period updates, perhaps most notably making these APIs account for both normal and expedited grace periods - Tasks RCU updates, perhaps most notably reducing the CPU overhead of RCU tasks trace grace periods by more than a factor of two on a system with 15,000 tasks. The reduction is expected to increase with the number of tasks, so it seems reasonable to hypothesize that a system with 150,000 tasks might see a 20-fold reduction in CPU overhead - Torture-test updates - Updates that merge RCU's dyntick-idle tracking into context tracking, thus reducing the overhead of transitioning to kernel mode from either idle or nohz_full userspace execution for kernels that track context independently of RCU. This is expected to be helpful primarily for kernels built with CONFIG_NO_HZ_FULL=y * tag 'rcu.2022.07.26a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (98 commits) rcu: Add irqs-disabled indicator to expedited RCU CPU stall warnings rcu: Diagnose extended sync_rcu_do_polled_gp() loops rcu: Put panic_on_rcu_stall() after expedited RCU CPU stall warnings rcutorture: Test polled expedited grace-period primitives rcu: Add polled expedited grace-period primitives rcutorture: Verify that polled GP API sees synchronous grace periods rcu: Make Tiny RCU grace periods visible to polled APIs rcu: Make polled grace-period API account for expedited grace periods rcu: Switch polled grace-period APIs to ->gp_seq_polled rcu/nocb: Avoid polling when my_rdp->nocb_head_rdp list is empty rcu/nocb: Add option to opt rcuo kthreads out of RT priority rcu: Add nocb_cb_kthread check to rcu_is_callbacks_kthread() rcu/nocb: Add an option to offload all CPUs on boot rcu/nocb: Fix NOCB kthreads spawn failure with rcu_nocb_rdp_deoffload() direct call rcu/nocb: Invert rcu_state.barrier_mutex VS hotplug lock locking order rcu/nocb: Add/del rdp to iterate from rcuog itself rcu/tree: Add comment to describe GP-done condition in fqs loop rcu: Initialize first_gp_fqs at declaration in rcu_gp_fqs() rcu/kvfree: Remove useless monitor_todo flag rcu: Cleanup RCU urgency state for offline CPU ... |
||
|
Linus Torvalds
|
c2a24a7a03 |
This update includes the following changes:
API: - Make proc files report fips module name and version. Algorithms: - Move generic SHA1 code into lib/crypto. - Implement Chinese Remainder Theorem for RSA. - Remove blake2s. - Add XCTR with x86/arm64 acceleration. - Add POLYVAL with x86/arm64 acceleration. - Add HCTR2. - Add ARIA. Drivers: - Add support for new CCP/PSP device ID in ccp. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmLosAAACgkQxycdCkmx i6dvgxAAzcw0cKMuq3dbQamzeVu1bDW8rPb7yHnpXal3ao5ewa15+hFjsKhdh/s3 cjM5Lu7Qx4lnqtsh2JVSU5o2SgEpptxXNfxAngcn46ld5EgV/G4DYNKuXsatMZ2A erCzXqG9dDxJmREat+5XgVfD1RFVsglmEA/Nv4Rvn+9O4O6PfwRa8GyUzeKC+byG qs/1JyiPqpyApgzCvlQFAdTF4PM7ruDtg3mnMy2EKAzqj4JUseXRi1i81vLVlfBL T40WESG/CnOwIF5MROhziAtkJMS4Y4v2VQ2++1p0gwG6pDCnq4w7u9cKPXYfNgZK fMVCxrNlxIH3W99VfVXbXwqDSN6qEZtQvhnliwj9aEbEltIoH+B02wNfS/BDsTec im+5NCnNQ6olMPyL0yHrMKisKd+DwTrEfYT5H2kFhcdcYZncQ9C6el57kimnJRzp 4ymPRudCKm/8weWGTtmjFMi+PFP4LgvCoR+VMUd+gVe91F9ZMAO0K7b5z5FVDyDf wmsNBvsEnTdm/r7YceVzGwdKQaP9sE5wq8iD/yySD1PjlmzZos1CtCrqAIT/v2RK pQdZCIkT8qCB+Jm03eEd4pwjEDnbZdQmpKt4cTy0HWIeLJVG1sXPNpgwPCaBEV4U g0nctILtypChlSDmuGhTCyuElfMg6CXt4cgSZJTBikT+QcyWOm4= =rfWK -----END PGP SIGNATURE----- Merge tag 'v5.20-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Make proc files report fips module name and version Algorithms: - Move generic SHA1 code into lib/crypto - Implement Chinese Remainder Theorem for RSA - Remove blake2s - Add XCTR with x86/arm64 acceleration - Add POLYVAL with x86/arm64 acceleration - Add HCTR2 - Add ARIA Drivers: - Add support for new CCP/PSP device ID in ccp" * tag 'v5.20-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (89 commits) crypto: tcrypt - Remove the static variable initialisations to NULL crypto: arm64/poly1305 - fix a read out-of-bound crypto: hisilicon/zip - Use the bitmap API to allocate bitmaps crypto: hisilicon/sec - fix auth key size error crypto: ccree - Remove a useless dma_supported() call crypto: ccp - Add support for new CCP/PSP device ID crypto: inside-secure - Add missing MODULE_DEVICE_TABLE for of crypto: hisilicon/hpre - don't use GFP_KERNEL to alloc mem during softirq crypto: testmgr - some more fixes to RSA test vectors cyrpto: powerpc/aes - delete the rebundant word "block" in comments hwrng: via - Fix comment typo crypto: twofish - Fix comment typo crypto: rmd160 - fix Kconfig "its" grammar crypto: keembay-ocs-ecc - Drop if with an always false condition Documentation: qat: rewrite description Documentation: qat: Use code block for qat sysfs example crypto: lib - add module license to libsha1 crypto: lib - make the sha1 library optional crypto: lib - move lib/sha1.c into lib/crypto/ crypto: fips - make proc files report fips module name and version ... |
||
|
Linus Torvalds
|
a0b09f2d6f |
Random number generator updates for Linux 6.0-rc1.
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Merge tag 'random-6.0-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
Pull random number generator updates from Jason Donenfeld:
"Though there's been a decent amount of RNG-related development during
this last cycle, not all of it is coming through this tree, as this
cycle saw a shift toward tackling early boot time seeding issues,
which took place in other trees as well.
Here's a summary of the various patches:
- The CONFIG_ARCH_RANDOM .config option and the "nordrand" boot
option have been removed, as they overlapped with the more widely
supported and more sensible options, CONFIG_RANDOM_TRUST_CPU and
"random.trust_cpu". This change allowed simplifying a bit of arch
code.
- x86's RDRAND boot time test has been made a bit more robust, with
RDRAND disabled if it's clearly producing bogus results. This would
be a tip.git commit, technically, but I took it through random.git
to avoid a large merge conflict.
- The RNG has long since mixed in a timestamp very early in boot, on
the premise that a computer that does the same things, but does so
starting at different points in wall time, could be made to still
produce a different RNG state. Unfortunately, the clock isn't set
early in boot on all systems, so now we mix in that timestamp when
the time is actually set.
- User Mode Linux now uses the host OS's getrandom() syscall to
generate a bootloader RNG seed and later on treats getrandom() as
the platform's RDRAND-like faculty.
- The arch_get_random_{seed_,}_long() family of functions is now
arch_get_random_{seed_,}_longs(), which enables certain platforms,
such as s390, to exploit considerable performance advantages from
requesting multiple CPU random numbers at once, while at the same
time compiling down to the same code as before on platforms like
x86.
- A small cleanup changing a cmpxchg() into a try_cmpxchg(), from
Uros.
- A comment spelling fix"
More info about other random number changes that come in through various
architecture trees in the full commentary in the pull request:
https://lore.kernel.org/all/20220731232428.2219258-1-Jason@zx2c4.com/
* tag 'random-6.0-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
random: correct spelling of "overwrites"
random: handle archrandom with multiple longs
um: seed rng using host OS rng
random: use try_cmpxchg in _credit_init_bits
timekeeping: contribute wall clock to rng on time change
x86/rdrand: Remove "nordrand" flag in favor of "random.trust_cpu"
random: remove CONFIG_ARCH_RANDOM
|
||
|
Linus Torvalds
|
043402495d |
integrity-v6.0
-----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQQdXVVFGN5XqKr1Hj7LwZzRsCrn5QUCYulqTBQcem9oYXJAbGlu dXguaWJtLmNvbQAKCRDLwZzRsCrn5SBBAP9nbAW1SPa/hDqbrclHdDrS59VkSVwv 6ZO2yAmxJAptHwD+JzyJpJiZsqVN/Tu85V1PqeAt9c8az8f3CfDBp2+w7AA= =Ad+c -----END PGP SIGNATURE----- Merge tag 'integrity-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity Pull integrity updates from Mimi Zohar: "Aside from the one EVM cleanup patch, all the other changes are kexec related. On different architectures different keyrings are used to verify the kexec'ed kernel image signature. Here are a number of preparatory cleanup patches and the patches themselves for making the keyrings - builtin_trusted_keyring, .machine, .secondary_trusted_keyring, and .platform - consistent across the different architectures" * tag 'integrity-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity: kexec, KEYS, s390: Make use of built-in and secondary keyring for signature verification arm64: kexec_file: use more system keyrings to verify kernel image signature kexec, KEYS: make the code in bzImage64_verify_sig generic kexec: clean up arch_kexec_kernel_verify_sig kexec: drop weak attribute from functions kexec_file: drop weak attribute from functions evm: Use IS_ENABLED to initialize .enabled |
||
|
Linus Torvalds
|
dd65b96492 |
ARM: new SoC support for 6.0
This adds initial support for two SoC families that have been under review for a while. In both cases, the origonal idea was to have a minimally functional version, but we ended up leaving out the clk drivers that are still under review and will be merged through the corresponding subsystem tree. The Nuvoton NPCM8xx is a 64-bit Baseboard Management Controller and based on the 32-bit NPCM7xx family but is now getting added to arch/arm64 as well. Sunplus SP7021, also known as Plus1, is a general-purpose System-in-Package design based on the 32-bit Cortex-A7 SoC on the main chip, plus an I/O chip and memory in the same -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmLo+24ACgkQmmx57+YA GNkPVw//XAC/uK7WR4oz1D1YaPPNhEvFa6hV1gjGB7Iif72SzyDJmC+36MATU/AY neQjCOLJMhxI0hpDGY9nLYe+aP1C6vD32zsjffjt/+s9em+YZZCUkRJuQ5xO3fID Uk8ZAnCIcOqX9sjXr9ChW8irlcWFbKzhgWXnPqwQmycIaE7QVz1wx32dbc64YuAK S+290U8wbj8bukr33TyZPMdYlfqNU3c1W+dCaeVsQlX1juoHEV3stmIjslRefd6X Jre22YJE41VlPufZej76nHXuVnjKf54Oi347TcbPOWNDtEAIESt3mzKy+zICBT2p v01rNBf0SogyOtSbWDPTFCAH9W9hujSOJIUOWpbOLaPdfElXxcoTBwj2e2LMoW0k ke7YR1m6FKDam5GFU9Oe98CWIiVm/GnTA5mnhhETU1QTXQ3KeZ+Z8X779YuSWPv9 kJuOPRSk9NdcfRtxZz1vpCvhv/2hBbeBuz+GZi3bisMWdvVqS3lFqVbr6kziQbJZ kE6KJH48FdL0VLVvuy+aNSF2umLT42b+5+cmQFuP2zePQgo1DEMKEtFXpZjQJbha 3iu3sHnieOFMLcbNzbqSz2im3yYNBjl1M5qoGEXaw3Rkzqiht0kMNvAa4LmAejbh E+5BIczwWNbaUKgToV1ij65O4a78Bw98m2SIS7awEZC5MW/nXYA= =7Id+ -----END PGP SIGNATURE----- Merge tag 'arm-newsoc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM new SoC support from Arnd Bergmann: "This adds initial support for two SoC families that have been under review for a while. In both cases, the origonal idea was to have a minimally functional version, but we ended up leaving out the clk drivers that are still under review and will be merged through the corresponding subsystem tree. The Nuvoton NPCM8xx is a 64-bit Baseboard Management Controller and based on the 32-bit NPCM7xx family but is now getting added to arch/arm64 as well. Sunplus SP7021, also known as Plus1, is a general-purpose System-in-Package design based on the 32-bit Cortex-A7 SoC on the main chip, plus an I/O chip and memory in the same" * tag 'arm-newsoc-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (25 commits) MAINTAINERS: rectify entry for ARM/NUVOTON NPCM ARCHITECTURE arm64: defconfig: Add Nuvoton NPCM family support arm64: dts: nuvoton: Add initial NPCM845 EVB device tree arm64: dts: nuvoton: Add initial NPCM8XX device tree arm64: npcm: Add support for Nuvoton NPCM8XX BMC SoC dt-bindings: arm: npcm: Add nuvoton,npcm845 GCR compatible string dt-bindings: arm: npcm: Add nuvoton,npcm845 compatible string dt-bindings: arm: npcm: Add maintainer reset: npcm: Add NPCM8XX support dt-bindings: reset: npcm: Add support for NPCM8XX reset: npcm: using syscon instead of device data ARM: dts: nuvoton: add reset syscon property dt-bindings: reset: npcm: add GCR syscon property dt-binding: clk: npcm845: Add binding for Nuvoton NPCM8XX Clock dt-bindings: watchdog: npcm: Add npcm845 compatible string dt-bindings: timer: npcm: Add npcm845 compatible string ARM: dts: Add Sunplus SP7021-Demo-V3 board device tree ARM: sp7021_defconfig: Add Sunplus SP7021 defconfig ARM: sunplus: Add initial support for Sunplus SP7021 SoC irqchip: Add Sunplus SP7021 interrupt controller driver ... |
||
|
Linus Torvalds
|
3a829d267e |
ARM: SoC defconfig updates for 6.0
This branch includes the usual updates to defconfig files, enabling additional driver support for the supported platforms. There is also a global refresh for all of them that reorders the lines according to the 'savedefconfig' output, but without removing lines that are no longer part of the refresh. I went through the most common removed lines to also address them while making sure to catch renamed options and add them back under the new name. The boardfile deprecation branch is based on top of this to avoid conflicts against removing the unused boardfile configs from the generic defconfig files. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmLo+14ACgkQmmx57+YA GNnFGw/+Ml2Jich+21ZIcgcAHjrMXq89lCoRa+3clGcxjDl97ZshNumqmRlgXqhM SlcqoA8gxFzx6SAFkCgxmi2m3+Cf8041VglM9YG9zcQnKxvcaRmAnLJ6X8ruwrRy OLHimRi187Wp33c4Y4On0s51g+F+cDHAJA9zmAoGISqPCluTkh/QeD9LXWSfBvFI 6203Hpbge69WzOL520zW7DBaLIRNL8qxSL3Pau6VUwHm2I2GvJ1WHE1S5kQwrd1a LKERfZswaBQtV3RJFRPigEqXzdzWAnD6XBLe1idGzaU52YAY6pxqQHTzOeVxlEPP m+w4jN6wEGK+iu8f0hjEnfr2qtM1Qx45UCvmg+tyY7WIwMWN304WDi+vgCpXPUWp W+IZNk6KPY9Bd3OauFtsiHHz9xXALidJRJT2JojnKDnQKK9J/iTpnBU2fPbpDNiC XOWcbm6e2R7U34LZZE2ursVqPk1iklXfb49/A+nl2x4MkxeX2va1QgyqJf6T6I9y 1avFY4V62lWvrEEMyKu+d7lpRKs3gj0Ky8W/R6+zLlnh4R2r9R+/BJAWi1MiP7qU ZpqWPc7m6cJcUC8Jgf2k+sDG8FNUWn0o6LNbCgv1m5GEYzzr1K9b3+KKV5JB1A9C Hjz9NMRXEOHm+QNvmbgXpCZjx9ga3Av+XAKN4pZ7JG9gc8fnrp0= =2GbW -----END PGP SIGNATURE----- Merge tag 'arm-defconfig-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc Pull ARM SoC defconfig updates from Arnd Bergmann: "This branch includes the usual updates to defconfig files, enabling additional driver support for the supported platforms. There is also a global refresh for all of them that reorders the lines according to the 'savedefconfig' output, but without removing lines that are no longer part of the refresh. I went through the most common removed lines to also address them while making sure to catch renamed options and add them back under the new name. The boardfile deprecation branch is based on top of this to avoid conflicts against removing the unused boardfile configs from the generic defconfig files" * tag 'arm-defconfig-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (24 commits) arm64: defconfig: Sync some configs with savedefconfig arm64: refresh defconfig file ARM: defconfig: kill remnants of CONFIG_LEDS ARM: defconfig: remove broken CONFIG_THUMB disables ARM: defconfig: address renamed CONFIG_DEBUG_INFO=y ARM: defconfig: remove stale CONFIG_ZBOOT_ROM entries ARM: defconfig: remove irda remnants ARM: refresh defconfig files arm64: defconfig: Demote Qualcomm USB PHYs to modules arm64: defconfig: Enable Qualcomm SC8280XP providers ARM: multi_v7_defconfig: Update configs for BCM63138 arm64: defconfig: enable Qualcomm Bandwidth Monitor arm64: defconfig: Enable Allwinner built in CODECs arm64: defconfig: Enable qcom interconnect drivers arm64: defconfig: Enable qcom ss & hs usb phy arm64: defconfig: enable Qualcomm LPG leds driver arm64: defconfig: Enable gpio-fan support arm64: defconfig: Enable DRM_V3D ARM: configs: Enable DRM_V3D arm64: defconfig: Enable R8A779G0 SoC ... |
||
|
Linus Torvalds
|
3976d758e0 |
ARM: DT changes for 6.0
As usual, the bulk of the changes for the SoC tree are devicetree file
updates, and most of these changes are for 64-bit embedded machines.
As before, there are a ton of style cleanups, and additional hardware
support for existing machines.
Looking only at the new SoC, the notable additions are:
- A whole family of Broadcom broadband SoCs, both 32-bit and 64-bit:
BCM63178, BCM63158, BCM4912, BCM6858, BCM6878, BCM6846, BCM63146,
BCM6856, BCM6855, BCM6756, BCM63148, and BCM6813.
Each SoC comes with a corresponding reference board.
- The new NXP i.MX93 SoC, the follow-up to the popular i.MX6 and
i.MX8 embedded SoCs, now using Cortex-A55 cores and the
Ethos-U65 NPU.
- Qualcomm Snapdragon 8cx Gen3 (SC8280XP), the current high end
of Arm based Laptop SoCs, and its automotive cousin, the
SA8540P. The SC8280XP is used in the Lenovo Thinkpad X13s
laptop that also gets added here in addition to the reference
boards.
- Allwinner H616, a newer version of the H6 SoC, targeted at
Set-top-box applications. It comes with dts files for the
Orange Pi zero2 single-board computer and the X96 Mate
set-top-box
- Marvell Prestera 98DX2530 (AlleyCat5), a network switch chip
in the Armada SoC family based on the Cortex-A55 core.
New machines based on previously supported SoCs include:
- Several new machines on NXP i.MX platforms: multiple Toradex
Colibri boards using the "Iris" and "Ixora" carriers,
DH electronics i.MX8M Plus DHCOM and PDK2, TQ-Systems
TQMa8MPQL, and phytech phyBOARD-Polis-i.MX8MM.
- Google Chameleon v3 FPGA board based on Intel Arria10 and
Stratix 10 Software Virtual platform, both in the SoCFPGA
platform.
- Two new wireless devices based on Broadcom SoCs:
The Asus GT-AX6000 Router and the Cisco Meraki MR26 access point
- Improved Chromebook support for both the Mediatek and Qualcomm
SoC families brought added machines: Acer Chromebook 514 (MT8192),
Acer Chromebook Spin 513 (MT8195) and a couple of SC7180 based
machines including the Lenovo IdeaPad Chromebook Duet 3.
- Xiaomi Mi Mix2s, LG G7 and LG V35 are mobile phones based on
Qualcomm SDM845, while Mi 5s Plus is based on MSM8996.
- Finally, there are a few development board on other chips:
PCB8309 (Microchip lan966x), Radxa Rock Pi S (Rockchips RK3308)
DH DRC Compact (ST STM32MP1) and Inforce IFC6560 (Qualcomm
SDM660)
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Merge tag 'arm-dt-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM DT updates from Arnd Bergmann:
"As usual, the bulk of the changes for the SoC tree are devicetree file
updates, and most of these changes are for 64-bit embedded machines.
As before, there are a ton of style cleanups, and additional hardware
support for existing machines.
Looking only at the new SoC, the notable additions are:
- A whole family of Broadcom broadband SoCs, both 32-bit and 64-bit:
BCM63178, BCM63158, BCM4912, BCM6858, BCM6878, BCM6846, BCM63146,
BCM6856, BCM6855, BCM6756, BCM63148, and BCM6813. Each SoC comes
with a corresponding reference board.
- The new NXP i.MX93 SoC, the follow-up to the popular i.MX6 and
i.MX8 embedded SoCs, now using Cortex-A55 cores and the Ethos-U65
NPU.
- Qualcomm Snapdragon 8cx Gen3 (SC8280XP), the current high end of
Arm based Laptop SoCs, and its automotive cousin, the SA8540P. The
SC8280XP is used in the Lenovo Thinkpad X13s laptop that also gets
added here in addition to the reference boards.
- Allwinner H616, a newer version of the H6 SoC, targeted at
Set-top-box applications. It comes with dts files for the Orange Pi
zero2 single-board computer and the X96 Mate set-top-box
- Marvell Prestera 98DX2530 (AlleyCat5), a network switch chip in the
Armada SoC family based on the Cortex-A55 core.
New machines based on previously supported SoCs include:
- Several new machines on NXP i.MX platforms: multiple Toradex
Colibri boards using the "Iris" and "Ixora" carriers, DH
electronics i.MX8M Plus DHCOM and PDK2, TQ-Systems TQMa8MPQL, and
phytech phyBOARD-Polis-i.MX8MM.
- Google Chameleon v3 FPGA board based on Intel Arria10 and Stratix
10 Software Virtual platform, both in the SoCFPGA platform.
- Two new wireless devices based on Broadcom SoCs: The Asus GT-AX6000
Router and the Cisco Meraki MR26 access point
- Improved Chromebook support for both the Mediatek and Qualcomm SoC
families brought added machines: Acer Chromebook 514 (MT8192), Acer
Chromebook Spin 513 (MT8195) and a couple of SC7180 based machines
including the Lenovo IdeaPad Chromebook Duet 3.
- Xiaomi Mi Mix2s, LG G7 and LG V35 are mobile phones based on
Qualcomm SDM845, while Mi 5s Plus is based on MSM8996.
- Finally, there are a few development board on other chips: PCB8309
(Microchip lan966x), Radxa Rock Pi S (Rockchips RK3308) DH DRC
Compact (ST STM32MP1) and Inforce IFC6560 (Qualcomm SDM660)"
* tag 'arm-dt-6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (829 commits)
dt-bindings: soc: bcm: use absolute path to other schema
dt-bindings: soc: bcm: drop quotes when not needed
dt-bindings: soc: microchip: use absolute path to other schema
dt-bindings: soc: microchip: drop quotes when not needed
ARM: dts: lan966x: keep lan966 entries alphabetically sorted
ARM: dts: lan966x: add support for pcb8309
dt-bindings: arm: at91: add lan966 pcb8309 board
ARM: dts: lan966x: Enable network driver on pcb8291
ARM: dts: lan966x: Disable can0 on pcb8291
ARM: dts: lan966x: Add gpio-restart
dt-bindings: arm: aspeed: add Aspeed Evaluation boards
arm64: dts: qcom: Add support for Xiaomi Mi Mix2s
dt-bindings: arm: qcom: Add Xiaomi Mi Mix2s bindings
dt-bindings: arm: qcom: Document lg,judyln and lg,judyp devices
dt-bindings: arm: qcom: add missing SM6350 board compatibles
dt-bindings: arm: qcom: add missing SM6125 board compatibles
dt-bindings: arm: qcom: add missing SDM845 board compatibles
dt-bindings: arm: qcom: add missing SDM636 board compatibles
dt-bindings: arm: qcom: add missing SDM630 board compatibles
dt-bindings: arm: qcom: add missing QCS404 board compatibles
...
|
||
|
Arnd Bergmann
|
0d98fbcf72 |
SoCFPGA dts updates for v5.20, part 2
- Update EMAC AXI settings for Cyclone5 -----BEGIN PGP SIGNATURE----- iQJIBAABCgAyFiEEoHhMeiyk5VmwVMwNGZQEC4GjKPQFAmLjCjkUHGRpbmd1eWVu QGtlcm5lbC5vcmcACgkQGZQEC4GjKPSJ0g//R0HArX0pW/wXyfbRuMe+Poce6fgm OoO6gWvhdHE8ynLgd7b/idb45RIlDx7q1blWUur4Gj9GCUEs33lSXA/SwesXuCSR KNYAtMWzU9pgLstZgmAe1mwk5eeJW6+v2w8EA6+qSlr7PSHWe+ZoIAymmrDJH8sd CKrp1Lf6Dk/UZ7+Is5IBScRelRLxM8d981Z8YewpGNhGPYug2fopXwTIWGrlFyrc wzI/xXE7gpC3wfeFvTI4GpRc3u3P5EGObcf1hknSt4bpxWZ8zZD27wjCY6Ps9iMx T5uWqip/WD8EoWEmFjcj0iINerlPDKUoyr3D49t7yYL9jIfs368THkuncbAdDJkr wmP5GJObSp7oNI4JcDvrgDHufYKvC8Q61pEhmCnrhQzMIDuy+NQc1nuId3DNWB27 zerK5bMqngDBDs0jS+yYvWMrC9Us/aW2zUD9arDHSNLlpnBzMrg9rKpltg7PhFEx OFFSERFob1rXfPbmbvsJq/OZ5t03pPcEnsnyBIpmQHb/LItxEmZKEoOq3cbchhDo UvzdG8a9lLKkKDuvQoYNEp00yP0tOcRb4d0nn28Tgra01zuXyPcjUBw6Fk6/MRVz cn1/TCX7FuhkoTksKM+jVzexSr2wt+dUL+WMaVUfPOF6aYz+C61kJWIgHCfVeMyC SmgvgalX7HPF1QI= =atss -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmLpMAoACgkQmmx57+YA GNkeBBAAksTeKlu9qsmJjUrmbQYAFhXx1QYklccSJx72fY9ncrUOA4z1aQZFvFda QIR+ZHA2M1yXtP5Vmfjj4y5xPnHAATIXYFc7jN1AdTncvIuAuh0mLj8cBOim+w0D Ly8fistZYbFrqAhGt4LNU8oveUuO0njy8DuiCn/qLh34xpEcKOMgpcqUtYjKljLv bXGLP8CMnCkM7tPP4Os7/1DcHSetUJUpwakO81S+/TltI2969OZBlz6/9bzzdb33 tI1x9qJgeIIjabXKEKmV2G+sG5B2xr9e8KUxv/Iqj46rdYaInimRfhSzl2lDH1D1 xicSTdm2L/AAZiV4bI7gK+9Dgl4tCf2GIRv1Qvt6gep4aWSA21iPuzDonMvF4YBp aRPVUXHZ8eLc6RgWP3iCfjge6zg75r7v3FnqB+PkkbD6IOO+QoKzV2QJqt3VLJiM jSLS1ZhtPjxxDp7xGyHxy5iDOlKQE3AIps6nA1QhIvhZsGKYO8LPHpkNHI/qpp4w MFmRqIF+RnJRsaccUBE5Upweav4JywcfJAOQtDvAYp2jcNmHY03BlSxEqFLYfEzW RmnxCt4n80K50d2JsPjHQ7QpxrMUn9JY5GSSg7Hc5b11mYUkzBZABh1Ke9t3f7Z0 kYPD++thOyHItS1r4+RedTzg97hk/POhRS4wF+vqnZoaS4KyosQ= =2reB -----END PGP SIGNATURE----- Merge tag 'socfpga_updates_for_v5.20_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/late SoCFPGA dts updates for v5.20, part 2 - Update EMAC AXI settings for Cyclone5 * tag 'socfpga_updates_for_v5.20_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux: ARM: dts: add EMAC AXI settings for Cyclone5 arm64: dts: altera: socfpga_stratix10: move clocks out of soc node arm64: dts: Add support for Stratix 10 Software Virtual Platform dt-bindings: altera: document Stratix 10 SWVP compatibles arm64: dts: altera: adjust whitespace around '=' arm64: dts: intel: socfpga_agilex: use defined GIC interrupt type for ECC dt-bindings: altera: Add Chameleon v3 board ARM: dts: socfpga: Add Google Chameleon v3 devicetree ARM: dts: socfpga: Add atsha204a node to Mercury+ AA1 dts ARM: dts: socfpga: Move sdmmc-ecc node to Arria 10 dts ARM: dts: socfpga: Change Mercury+ AA1 dts to dtsi Link: https://lore.kernel.org/r/20220728223237.3184243-1-dinguyen@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
|
Arnd Bergmann
|
87df0cecc2 |
Apple SoC DT updates for 5.20.
This round just adds the NVMe controller nodes, since that driver is finally upstream. Includes one related power domain fixup. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSByI3Ki0mXziclZJcd+FPLCI8zYgUCYuYjngAKCRAd+FPLCI8z YobTAQCEAVVnvvOEZEpBEAZu3lNE3qzwGYKnh0zHAyKxN/zfiAD+JqxJzYTTirHC iWA3Su+HDMLHR0Id4WrXTotMZ4p7wAU= =YXmm -----END PGP SIGNATURE----- gpgsig -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEo6/YBQwIrVS28WGKmmx57+YAGNkFAmLpLZYACgkQmmx57+YA GNknbxAAnqecKbHi/gLyBinSYCI7Lrmvmt1PpR1IxuOcbwEOKZCgsRGmWrPmzDHA 1l/ipp6SkGggT6XatMpE4h+WHCU0jJ5mAXr3FJlMFehJ2iMTHSSXan8UH8ghlf3g bAZL6YYj2xuBzO/rG7hSSOn6nEI9bD8Mhxjr1HHNYKYnSfD6NkWWSjcuDYNdoOiq R0bU4QXvQQWKbk4ZxuKYZ3aTvW21F8TiF+LNrs1OQFsZfQrddjfa5XXryAMemqbW YELMQ+75kVHv7Xf25a56Szvu+wh+YAIJhTpQ0mgcLx0LYlM2hMH14+PpZ2RXbt0Q PQckNlroO/CwQOYZBA64W+TnI+33YOyd4IULv/pSCL8YFHJLJr5P0WDeu4l1VxAW TyTjcq/nzG/IozLXMbT1vHjzNUd/IPZfqPGq+KfTkrFP+V3HqGnVGr8bSHnPLCd3 qodJY3R5cbEspBhAap5tiV6QTIGLYeY4THsjv2WJg1e3ozql857y50mjEQ98YNQ2 RSTP1ZXocQf9mEI1R39HWQGxCdnmSy4PNMbQd9GQ8ynEovduEJOGuVOrW8qpTBfD K5Wn6fdFeIrHjEc5uC59fh4pNJC9awJcsTUG4rpWU0Gph6W8HIdenXlc9u9N6X09 P7blHIpg8M2uSbS818fNBlJZzC2xAELl2/ec/zvYHDh8hZkyVFg= =u9E3 -----END PGP SIGNATURE----- Merge tag 'asahi-soc-dt-5.20' of https://github.com/AsahiLinux/linux into arm/late Apple SoC DT updates for 5.20. This round just adds the NVMe controller nodes, since that driver is finally upstream. Includes one related power domain fixup. * tag 'asahi-soc-dt-5.20' of https://github.com/AsahiLinux/linux: arm64: dts: apple: t8103: Add ANS2 NVMe nodes arm64: dts: apple: Re-parent ANS2 power domains Link: https://lore.kernel.org/r/6de8649c-9795-54a1-fa45-8dd50355061f@marcan.st Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
||
Kunihiko Hayashi
|
fe17b91a77 |
arm64: dts: uniphier: Fix USB interrupts for PXs3 SoC
An interrupt for USB device are shared with USB host. Set interrupt-names
property to common "dwc_usb3" instead of "host" and "peripheral".
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Linus Torvalds
|
22a39c3d86 |
This was a fairly quiet cycle for the locking subsystem:
- lockdep: Fix a handful of the more complex lockdep_init_map_*() primitives
that can lose the lock_type & cause false reports. No such mishap was
observed in the wild.
- jump_label improvements: simplify the cross-arch support of
initial NOP patching by making it arch-specific code (used on MIPS only),
and remove the s390 initial NOP patching that was superfluous.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking updates from Ingo Molnar:
"This was a fairly quiet cycle for the locking subsystem:
- lockdep: Fix a handful of the more complex lockdep_init_map_*()
primitives that can lose the lock_type & cause false reports. No
such mishap was observed in the wild.
- jump_label improvements: simplify the cross-arch support of initial
NOP patching by making it arch-specific code (used on MIPS only),
and remove the s390 initial NOP patching that was superfluous"
* tag 'locking-core-2022-08-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/lockdep: Fix lockdep_init_map_*() confusion
jump_label: make initial NOP patching the special case
jump_label: mips: move module NOP patching into arch code
jump_label: s390: avoid pointless initial NOP patching
|
||
|
Linus Torvalds
|
0cec3f24a7 |
arm64 updates for 5.20
- Remove unused generic cpuidle support (replaced by PSCI version)
- Fix documentation describing the kernel virtual address space
- Handling of some new CPU errata in Arm implementations
- Rework of our exception table code in preparation for handling
machine checks (i.e. RAS errors) more gracefully
- Switch over to the generic implementation of ioremap()
- Fix lockdep tracking in NMI context
- Instrument our memory barrier macros for KCSAN
- Rework of the kPTI G->nG page-table repainting so that the MMU remains
enabled and the boot time is no longer slowed to a crawl for systems
which require the late remapping
- Enable support for direct swapping of 2MiB transparent huge-pages on
systems without MTE
- Fix handling of MTE tags with allocating new pages with HW KASAN
- Expose the SMIDR register to userspace via sysfs
- Continued rework of the stack unwinder, particularly improving the
behaviour under KASAN
- More repainting of our system register definitions to match the
architectural terminology
- Improvements to the layout of the vDSO objects
- Support for allocating additional bits of HWCAP2 and exposing
FEAT_EBF16 to userspace on CPUs that support it
- Considerable rework and optimisation of our early boot code to reduce
the need for cache maintenance and avoid jumping in and out of the
kernel when handling relocation under KASLR
- Support for disabling SVE and SME support on the kernel command-line
- Support for the Hisilicon HNS3 PMU
- Miscellanous cleanups, trivial updates and minor fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"Highlights include a major rework of our kPTI page-table rewriting
code (which makes it both more maintainable and considerably faster in
the cases where it is required) as well as significant changes to our
early boot code to reduce the need for data cache maintenance and
greatly simplify the KASLR relocation dance.
Summary:
- Remove unused generic cpuidle support (replaced by PSCI version)
- Fix documentation describing the kernel virtual address space
- Handling of some new CPU errata in Arm implementations
- Rework of our exception table code in preparation for handling
machine checks (i.e. RAS errors) more gracefully
- Switch over to the generic implementation of ioremap()
- Fix lockdep tracking in NMI context
- Instrument our memory barrier macros for KCSAN
- Rework of the kPTI G->nG page-table repainting so that the MMU
remains enabled and the boot time is no longer slowed to a crawl
for systems which require the late remapping
- Enable support for direct swapping of 2MiB transparent huge-pages
on systems without MTE
- Fix handling of MTE tags with allocating new pages with HW KASAN
- Expose the SMIDR register to userspace via sysfs
- Continued rework of the stack unwinder, particularly improving the
behaviour under KASAN
- More repainting of our system register definitions to match the
architectural terminology
- Improvements to the layout of the vDSO objects
- Support for allocating additional bits of HWCAP2 and exposing
FEAT_EBF16 to userspace on CPUs that support it
- Considerable rework and optimisation of our early boot code to
reduce the need for cache maintenance and avoid jumping in and out
of the kernel when handling relocation under KASLR
- Support for disabling SVE and SME support on the kernel
command-line
- Support for the Hisilicon HNS3 PMU
- Miscellanous cleanups, trivial updates and minor fixes"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (136 commits)
arm64: Delay initialisation of cpuinfo_arm64::reg_{zcr,smcr}
arm64: fix KASAN_INLINE
arm64/hwcap: Support FEAT_EBF16
arm64/cpufeature: Store elf_hwcaps as a bitmap rather than unsigned long
arm64/hwcap: Document allocation of upper bits of AT_HWCAP
arm64: enable THP_SWAP for arm64
arm64/mm: use GENMASK_ULL for TTBR_BADDR_MASK_52
arm64: errata: Remove AES hwcap for COMPAT tasks
arm64: numa: Don't check node against MAX_NUMNODES
drivers/perf: arm_spe: Fix consistency of SYS_PMSCR_EL1.CX
perf: RISC-V: Add of_node_put() when breaking out of for_each_of_cpu_node()
docs: perf: Include hns3-pmu.rst in toctree to fix 'htmldocs' WARNING
arm64: kasan: Revert "arm64: mte: reset the page tag in page->flags"
mm: kasan: Skip page unpoisoning only if __GFP_SKIP_KASAN_UNPOISON
mm: kasan: Skip unpoisoning of user pages
mm: kasan: Ensure the tags are visible before the tag in page->flags
drivers/perf: hisi: add driver for HNS3 PMU
drivers/perf: hisi: Add description for HNS3 PMU driver
drivers/perf: riscv_pmu_sbi: perf format
perf/arm-cci: Use the bitmap API to allocate bitmaps
...
|
||
Paolo Bonzini
|
c4edb2babc |
Merge tag 'kvmarm-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 updates for 5.20: - Unwinder implementations for both nVHE modes (classic and protected), complete with an overflow stack - Rework of the sysreg access from userspace, with a complete rewrite of the vgic-v3 view to allign with the rest of the infrastructure - Disagregation of the vcpu flags in separate sets to better track their use model. - A fix for the GICv2-on-v3 selftest - A small set of cosmetic fixes |
||
|
Paolo Bonzini
|
63f4b21041 |
Merge remote-tracking branch 'kvm/next' into kvm-next-5.20
KVM/s390, KVM/x86 and common infrastructure changes for 5.20 x86: * Permit guests to ignore single-bit ECC errors * Fix races in gfn->pfn cache refresh; do not pin pages tracked by the cache * Intel IPI virtualization * Allow getting/setting pending triple fault with KVM_GET/SET_VCPU_EVENTS * PEBS virtualization * Simplify PMU emulation by just using PERF_TYPE_RAW events * More accurate event reinjection on SVM (avoid retrying instructions) * Allow getting/setting the state of the speaker port data bit * Refuse starting the kvm-intel module if VM-Entry/VM-Exit controls are inconsistent * "Notify" VM exit (detect microarchitectural hangs) for Intel * Cleanups for MCE MSR emulation s390: * add an interface to provide a hypervisor dump for secure guests * improve selftests to use TAP interface * enable interpretive execution of zPCI instructions (for PCI passthrough) * First part of deferred teardown * CPU Topology * PV attestation * Minor fixes Generic: * new selftests API using struct kvm_vcpu instead of a (vm, id) tuple x86: * Use try_cmpxchg64 instead of cmpxchg64 * Bugfixes * Ignore benign host accesses to PMU MSRs when PMU is disabled * Allow disabling KVM's "MONITOR/MWAIT are NOPs!" behavior * x86/MMU: Allow NX huge pages to be disabled on a per-vm basis * Port eager page splitting to shadow MMU as well * Enable CMCI capability by default and handle injected UCNA errors * Expose pid of vcpu threads in debugfs * x2AVIC support for AMD * cleanup PIO emulation * Fixes for LLDT/LTR emulation * Don't require refcounted "struct page" to create huge SPTEs x86 cleanups: * Use separate namespaces for guest PTEs and shadow PTEs bitmasks * PIO emulation * Reorganize rmap API, mostly around rmap destruction * Do not workaround very old KVM bugs for L0 that runs with nesting enabled * new selftests API for CPUID |
||
Sven Peter
|
5316d73ba8 |
arm64: dts: apple: t8103: Add ANS2 NVMe nodes
This allows using the internal disk attached via NVMe. Signed-off-by: Sven Peter <sven@svenpeter.dev> Signed-off-by: Hector Martin <marcan@marcan.st> |
||
Ben Dooks
|
787dbea11a |
profile: setup_profiling_timer() is moslty not implemented
The setup_profiling_timer() is mostly un-implemented by many architectures. In many places it isn't guarded by CONFIG_PROFILE which is needed for it to be used. Make it a weak symbol in kernel/profile.c and remove the 'return -EINVAL' implementations from the kenrel. There are a couple of architectures which do return 0 from the setup_profiling_timer() function but they don't seem to do anything else with it. To keep the /proc compatibility for now, leave these for a future update or removal. On ARM, this fixes the following sparse warning: arch/arm/kernel/smp.c:793:5: warning: symbol 'setup_profiling_timer' was not declared. Should it be static? Link: https://lkml.kernel.org/r/20220721195509.418205-1-ben-linux@fluff.org Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Zhou Guanghui
|
450d0e74d8 |
memblock,arm64: expand the static memblock memory table
In a system(Huawei Ascend ARM64 SoC) using HBM, a multi-bit ECC error occurs, and the BIOS will mark the corresponding area (for example, 2 MB) as unusable. When the system restarts next time, these areas are not reported or reported as EFI_UNUSABLE_MEMORY. Both cases lead to an increase in the number of memblocks, whereas EFI_UNUSABLE_MEMORY leads to a larger number of memblocks. For example, if the EFI_UNUSABLE_MEMORY type is reported: ... memory[0x92] [0x0000200834a00000-0x0000200835bfffff], 0x0000000001200000 bytes on node 7 flags: 0x0 memory[0x93] [0x0000200835c00000-0x0000200835dfffff], 0x0000000000200000 bytes on node 7 flags: 0x4 memory[0x94] [0x0000200835e00000-0x00002008367fffff], 0x0000000000a00000 bytes on node 7 flags: 0x0 memory[0x95] [0x0000200836800000-0x00002008369fffff], 0x0000000000200000 bytes on node 7 flags: 0x4 memory[0x96] [0x0000200836a00000-0x0000200837bfffff], 0x0000000001200000 bytes on node 7 flags: 0x0 memory[0x97] [0x0000200837c00000-0x0000200837dfffff], 0x0000000000200000 bytes on node 7 flags: 0x4 memory[0x98] [0x0000200837e00000-0x000020087fffffff], 0x0000000048200000 bytes on node 7 flags: 0x0 memory[0x99] [0x0000200880000000-0x0000200bcfffffff], 0x0000000350000000 bytes on node 6 flags: 0x0 memory[0x9a] [0x0000200bd0000000-0x0000200bd01fffff], 0x0000000000200000 bytes on node 6 flags: 0x4 memory[0x9b] [0x0000200bd0200000-0x0000200bd07fffff], 0x0000000000600000 bytes on node 6 flags: 0x0 memory[0x9c] [0x0000200bd0800000-0x0000200bd09fffff], 0x0000000000200000 bytes on node 6 flags: 0x4 memory[0x9d] [0x0000200bd0a00000-0x0000200fcfffffff], 0x00000003ff600000 bytes on node 6 flags: 0x0 memory[0x9e] [0x0000200fd0000000-0x0000200fd01fffff], 0x0000000000200000 bytes on node 6 flags: 0x4 memory[0x9f] [0x0000200fd0200000-0x0000200fffffffff], 0x000000002fe00000 bytes on node 6 flags: 0x0 ... The EFI memory map is parsed to construct the memblock arrays before the memblock arrays can be resized. As the result, memory regions beyond INIT_MEMBLOCK_REGIONS are lost. Add a new macro INIT_MEMBLOCK_MEMORY_REGIONS to replace INIT_MEMBLOCK_REGTIONS to define the size of the static memblock.memory array. Allow overriding memblock.memory array size with architecture defined INIT_MEMBLOCK_MEMORY_REGIONS and make arm64 to set INIT_MEMBLOCK_MEMORY_REGIONS to 1024 when CONFIG_EFI is enabled. Link: https://lkml.kernel.org/r/20220615102742.96450-1-zhouguanghui1@huawei.com Signed-off-by: Zhou Guanghui <zhouguanghui1@huawei.com> Acked-by: Mike Rapoport <rppt@linux.ibm.com> Tested-by: Darren Hart <darren@os.amperecomputing.com> Acked-by: Will Deacon <will@kernel.org> [arm64] Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Xu Qiang <xuqiang36@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
GUO Zihua
|
7ae19d422c |
crypto: arm64/poly1305 - fix a read out-of-bound
A kasan error was reported during fuzzing:
BUG: KASAN: slab-out-of-bounds in neon_poly1305_blocks.constprop.0+0x1b4/0x250 [poly1305_neon]
Read of size 4 at addr ffff0010e293f010 by task syz-executor.5/1646715
CPU: 4 PID: 1646715 Comm: syz-executor.5 Kdump: loaded Not tainted 5.10.0.aarch64 #1
Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.59 01/31/2019
Call trace:
dump_backtrace+0x0/0x394
show_stack+0x34/0x4c arch/arm64/kernel/stacktrace.c:196
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x158/0x1e4 lib/dump_stack.c:118
print_address_description.constprop.0+0x68/0x204 mm/kasan/report.c:387
__kasan_report+0xe0/0x140 mm/kasan/report.c:547
kasan_report+0x44/0xe0 mm/kasan/report.c:564
check_memory_region_inline mm/kasan/generic.c:187 [inline]
__asan_load4+0x94/0xd0 mm/kasan/generic.c:252
neon_poly1305_blocks.constprop.0+0x1b4/0x250 [poly1305_neon]
neon_poly1305_do_update+0x6c/0x15c [poly1305_neon]
neon_poly1305_update+0x9c/0x1c4 [poly1305_neon]
crypto_shash_update crypto/shash.c:131 [inline]
shash_finup_unaligned+0x84/0x15c crypto/shash.c:179
crypto_shash_finup+0x8c/0x140 crypto/shash.c:193
shash_digest_unaligned+0xb8/0xe4 crypto/shash.c:201
crypto_shash_digest+0xa4/0xfc crypto/shash.c:217
crypto_shash_tfm_digest+0xb4/0x150 crypto/shash.c:229
essiv_skcipher_setkey+0x164/0x200 [essiv]
crypto_skcipher_setkey+0xb0/0x160 crypto/skcipher.c:612
skcipher_setkey+0x3c/0x50 crypto/algif_skcipher.c:305
alg_setkey+0x114/0x2a0 crypto/af_alg.c:220
alg_setsockopt+0x19c/0x210 crypto/af_alg.c:253
__sys_setsockopt+0x190/0x2e0 net/socket.c:2123
__do_sys_setsockopt net/socket.c:2134 [inline]
__se_sys_setsockopt net/socket.c:2131 [inline]
__arm64_sys_setsockopt+0x78/0x94 net/socket.c:2131
__invoke_syscall arch/arm64/kernel/syscall.c:36 [inline]
invoke_syscall+0x64/0x100 arch/arm64/kernel/syscall.c:48
el0_svc_common.constprop.0+0x220/0x230 arch/arm64/kernel/syscall.c:155
do_el0_svc+0xb4/0xd4 arch/arm64/kernel/syscall.c:217
el0_svc+0x24/0x3c arch/arm64/kernel/entry-common.c:353
el0_sync_handler+0x160/0x164 arch/arm64/kernel/entry-common.c:369
el0_sync+0x160/0x180 arch/arm64/kernel/entry.S:683
This error can be reproduced by the following code compiled as ko on a
system with kasan enabled:
#include <linux/module.h>
#include <linux/crypto.h>
#include <crypto/hash.h>
#include <crypto/poly1305.h>
char test_data[] = "\x00\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
"\x10\x11\x12\x13\x14\x15\x16\x17"
"\x18\x19\x1a\x1b\x1c\x1d\x1e";
int init(void)
{
struct crypto_shash *tfm = NULL;
char *data = NULL, *out = NULL;
tfm = crypto_alloc_shash("poly1305", 0, 0);
data = kmalloc(POLY1305_KEY_SIZE - 1, GFP_KERNEL);
out = kmalloc(POLY1305_DIGEST_SIZE, GFP_KERNEL);
memcpy(data, test_data, POLY1305_KEY_SIZE - 1);
crypto_shash_tfm_digest(tfm, data, POLY1305_KEY_SIZE - 1, out);
kfree(data);
kfree(out);
return 0;
}
void deinit(void)
{
}
module_init(init)
module_exit(deinit)
MODULE_LICENSE("GPL");
The root cause of the bug sits in neon_poly1305_blocks. The logic
neon_poly1305_blocks() performed is that if it was called with both s[]
and r[] uninitialized, it will first try to initialize them with the
data from the first "block" that it believed to be 32 bytes in length.
First 16 bytes are used as the key and the next 16 bytes for s[]. This
would lead to the aforementioned read out-of-bound. However, after
calling poly1305_init_arch(), only 16 bytes were deducted from the input
and s[] is initialized yet again with the following 16 bytes. The second
initialization of s[] is certainly redundent which indicates that the
first initialization should be for r[] only.
This patch fixes the issue by calling poly1305_init_arm64() instead of
poly1305_init_arch(). This is also the implementation for the same
algorithm on arm platform.
Fixes:
|
||
Marc Zyngier
|
0982c8d859 |
Merge branch kvm-arm64/nvhe-stacktrace into kvmarm-master/next
* kvm-arm64/nvhe-stacktrace: (27 commits) : . : Add an overflow stack to the nVHE EL2 code, allowing : the implementation of an unwinder, courtesy of : Kalesh Singh. From the cover letter (slightly edited): : : "nVHE has two modes of operation: protected (pKVM) and unprotected : (conventional nVHE). Depending on the mode, a slightly different approach : is used to dump the hypervisor stacktrace but the core unwinding logic : remains the same. : : * Protected nVHE (pKVM) stacktraces: : : In protected nVHE mode, the host cannot directly access hypervisor memory. : : The hypervisor stack unwinding happens in EL2 and is made accessible to : the host via a shared buffer. Symbolizing and printing the stacktrace : addresses is delegated to the host and happens in EL1. : : * Non-protected (Conventional) nVHE stacktraces: : : In non-protected mode, the host is able to directly access the hypervisor : stack pages. : : The hypervisor stack unwinding and dumping of the stacktrace is performed : by the host in EL1, as this avoids the memory overhead of setting up : shared buffers between the host and hypervisor." : : Additional patches from Oliver Upton and Marc Zyngier, tidying up : the initial series. : . arm64: Update 'unwinder howto' KVM: arm64: Don't open code ARRAY_SIZE() KVM: arm64: Move nVHE-only helpers into kvm/stacktrace.c KVM: arm64: Make unwind()/on_accessible_stack() per-unwinder functions KVM: arm64: Move nVHE stacktrace unwinding into its own compilation unit KVM: arm64: Move PROTECTED_NVHE_STACKTRACE around KVM: arm64: Introduce pkvm_dump_backtrace() KVM: arm64: Implement protected nVHE hyp stack unwinder KVM: arm64: Save protected-nVHE (pKVM) hyp stacktrace KVM: arm64: Stub implementation of pKVM HYP stack unwinder KVM: arm64: Allocate shared pKVM hyp stacktrace buffers KVM: arm64: Add PROTECTED_NVHE_STACKTRACE Kconfig KVM: arm64: Introduce hyp_dump_backtrace() KVM: arm64: Implement non-protected nVHE hyp stack unwinder KVM: arm64: Prepare non-protected nVHE hypervisor stacktrace KVM: arm64: Stub implementation of non-protected nVHE HYP stack unwinder KVM: arm64: On stack overflow switch to hyp overflow_stack arm64: stacktrace: Add description of stacktrace/common.h arm64: stacktrace: Factor out common unwind() arm64: stacktrace: Handle frame pointer from different address spaces ... Signed-off-by: Marc Zyngier <maz@kernel.org> |
||
|
Marc Zyngier
|
a4c750e232 |
arm64: Update 'unwinder howto'
Implementing a new unwinder is a bit more involved than writing a couple of helpers, so let's not lure the reader into a false sense of comfort. Instead, let's point out what they should call into, and what sort of parameter they need to provide. Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Kalesh Singh <kaleshsingh@google.com> Tested-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20220727142906.1856759-7-maz@kernel.org |
||
Oliver Upton
|
62ae21627a |
KVM: arm64: Don't open code ARRAY_SIZE()
Use ARRAY_SIZE() instead of an open-coded version. Signed-off-by: Oliver Upton <oliver.upton@linux.dev> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Kalesh Singh <kaleshsingh@google.com> Tested-by: Kalesh Singh <kaleshsingh@google.com> Link: https://lore.kernel.org/r/20220727142906.1856759-6-maz@kernel.org |
||
|
Marc Zyngier
|
0e773da1e6 |
KVM: arm64: Move nVHE-only helpers into kvm/stacktrace.c
kvm_nvhe_stack_kern_va() only makes sense as part of the nVHE unwinder, so simply move it there. Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Kalesh Singh <kaleshsingh@google.com> Tested-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20220727142906.1856759-5-maz@kernel.org |
||
|
Marc Zyngier
|
4e00532f37 |
KVM: arm64: Make unwind()/on_accessible_stack() per-unwinder functions
Having multiple versions of on_accessible_stack() (one per unwinder) makes it very hard to reason about what is used where due to the complexity of the various includes, the forward declarations, and the reliance on everything being 'inline'. Instead, move the code back where it should be. Each unwinder implements: - on_accessible_stack() as well as the helpers it depends on, - unwind()/unwind_next(), as they pass on_accessible_stack as a parameter to unwind_next_common() (which is the only common code here) This hardly results in any duplication, and makes it much easier to reason about the code. Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Kalesh Singh <kaleshsingh@google.com> Tested-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20220727142906.1856759-4-maz@kernel.org |
||
|
Marc Zyngier
|
9f5fee05f6 |
KVM: arm64: Move nVHE stacktrace unwinding into its own compilation unit
The unwinding code doesn't really belong to the exit handling code. Instead, move it to a file (conveniently named stacktrace.c to confuse the reviewer), and move all the stacktrace-related stuff there. It will be joined by more code very soon. Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Kalesh Singh <kaleshsingh@google.com> Tested-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20220727142906.1856759-3-maz@kernel.org |
||
|
Marc Zyngier
|
03fe9cd05b |
KVM: arm64: Move PROTECTED_NVHE_STACKTRACE around
Make the dependency with EL2_DEBUG more obvious by moving the stacktrace configurtion *after* it. Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Kalesh Singh <kaleshsingh@google.com> Tested-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Oliver Upton <oliver.upton@linux.dev> Link: https://lore.kernel.org/r/20220727142906.1856759-2-maz@kernel.org |
||
John Garry
|
c95a5712be
|
arm64: defconfig: Sync some configs with savedefconfig
Some configs can obviously be removed when sync'ing with savedefconfig, as follows: - config SECCOMP was changed to def_bool y in commit |
||
Kalesh Singh
|
3a7e1b55aa |
KVM: arm64: Introduce pkvm_dump_backtrace()
Dumps the pKVM hypervisor backtrace from EL1 by reading the unwinded addresses from the shared stacktrace buffer. The nVHE hyp backtrace is dumped on hyp_panic(), before panicking the host. [ 111.623091] kvm [367]: nVHE call trace: [ 111.623215] kvm [367]: [<ffff8000090a6570>] __kvm_nvhe_hyp_panic+0xac/0xf8 [ 111.623448] kvm [367]: [<ffff8000090a65cc>] __kvm_nvhe_hyp_panic_bad_stack+0x10/0x10 [ 111.623642] kvm [367]: [<ffff8000090a61e4>] __kvm_nvhe_recursive_death+0x24/0x34 . . . [ 111.640366] kvm [367]: [<ffff8000090a61e4>] __kvm_nvhe_recursive_death+0x24/0x34 [ 111.640467] kvm [367]: [<ffff8000090a61e4>] __kvm_nvhe_recursive_death+0x24/0x34 [ 111.640574] kvm [367]: [<ffff8000090a5de4>] __kvm_nvhe___kvm_vcpu_run+0x30/0x40c [ 111.640676] kvm [367]: [<ffff8000090a8b64>] __kvm_nvhe_handle___kvm_vcpu_run+0x30/0x48 [ 111.640778] kvm [367]: [<ffff8000090a88b8>] __kvm_nvhe_handle_trap+0xc4/0x128 [ 111.640880] kvm [367]: [<ffff8000090a7864>] __kvm_nvhe___host_exit+0x64/0x64 [ 111.640996] kvm [367]: ---[ end nVHE call trace ]--- Signed-off-by: Kalesh Singh <kaleshsingh@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220726073750.3219117-18-kaleshsingh@google.com |
||
|
Kalesh Singh
|
75e9459e48 |
KVM: arm64: Implement protected nVHE hyp stack unwinder
Implements the common framework necessary for unwind() to work in the protected nVHE context: - on_accessible_stack() - on_overflow_stack() - unwind_next() Protected nVHE unwind() is used to unwind and save the hyp stack addresses to the shared stacktrace buffer. The host reads the entries in this buffer, symbolizes and dumps the stacktrace (later patch in the series). Signed-off-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Fuad Tabba <tabba@google.com> Tested-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220726073750.3219117-17-kaleshsingh@google.com |
||
|
Kalesh Singh
|
871c5d9314 |
KVM: arm64: Save protected-nVHE (pKVM) hyp stacktrace
In protected nVHE mode, the host cannot access private owned hypervisor
memory. Also the hypervisor aims to remains simple to reduce the attack
surface and does not provide any printk support.
For the above reasons, the approach taken to provide hypervisor stacktraces
in protected mode is:
1) Unwind and save the hyp stack addresses in EL2 to a shared buffer
with the host (done in this patch).
2) Delegate the dumping and symbolization of the addresses to the
host in EL1 (later patch in the series).
On hyp_panic(), the hypervisor prepares the stacktrace before returning to
the host.
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220726073750.3219117-16-kaleshsingh@google.com
|
||
|
Kalesh Singh
|
25aa73b6db |
KVM: arm64: Stub implementation of pKVM HYP stack unwinder
Add some stub implementations of protected nVHE stack unwinder, for building. These are implemented later in this series. Signed-off-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Fuad Tabba <tabba@google.com> Tested-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220726073750.3219117-15-kaleshsingh@google.com |
||
|
Kalesh Singh
|
6928bcc84b |
KVM: arm64: Allocate shared pKVM hyp stacktrace buffers
In protected nVHE mode the host cannot directly access hypervisor memory, so we will dump the hypervisor stacktrace to a shared buffer with the host. The minimum size for the buffer required, assuming the min frame size of [x29, x30] (2 * sizeof(long)), is half the combined size of the hypervisor and overflow stacks plus an additional entry to delimit the end of the stacktrace. The stacktrace buffers are used later in the series to dump the nVHE hypervisor stacktrace when using protected-mode. Signed-off-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Fuad Tabba <tabba@google.com> Tested-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220726073750.3219117-14-kaleshsingh@google.com |
||
|
Kalesh Singh
|
72adac1bd2 |
KVM: arm64: Add PROTECTED_NVHE_STACKTRACE Kconfig
This can be used to disable stacktrace for the protected KVM nVHE hypervisor, in order to save on the associated memory usage. This option is disabled by default, since protected KVM is not widely used on platforms other than Android currently. Signed-off-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Fuad Tabba <tabba@google.com> Tested-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220726073750.3219117-13-kaleshsingh@google.com |
||
|
Kalesh Singh
|
314a61dc31 |
KVM: arm64: Introduce hyp_dump_backtrace()
In non-protected nVHE mode, unwinds and dumps the hypervisor backtrace from EL1. This is possible beacause the host can directly access the hypervisor stack pages in non-protected mode. The nVHE backtrace is dumped on hyp_panic(), before panicking the host. [ 101.498183] kvm [377]: nVHE call trace: [ 101.498363] kvm [377]: [<ffff8000090a6570>] __kvm_nvhe_hyp_panic+0xac/0xf8 [ 101.499045] kvm [377]: [<ffff8000090a65cc>] __kvm_nvhe_hyp_panic_bad_stack+0x10/0x10 [ 101.499498] kvm [377]: [<ffff8000090a61e4>] __kvm_nvhe_recursive_death+0x24/0x34 . . . [ 101.524929] kvm [377]: [<ffff8000090a61e4>] __kvm_nvhe_recursive_death+0x24/0x34 [ 101.525062] kvm [377]: [<ffff8000090a61e4>] __kvm_nvhe_recursive_death+0x24/0x34 [ 101.525195] kvm [377]: [<ffff8000090a5de4>] __kvm_nvhe___kvm_vcpu_run+0x30/0x40c [ 101.525333] kvm [377]: [<ffff8000090a8b64>] __kvm_nvhe_handle___kvm_vcpu_run+0x30/0x48 [ 101.525468] kvm [377]: [<ffff8000090a88b8>] __kvm_nvhe_handle_trap+0xc4/0x128 [ 101.525602] kvm [377]: [<ffff8000090a7864>] __kvm_nvhe___host_exit+0x64/0x64 [ 101.525745] kvm [377]: ---[ end nVHE call trace ]--- Signed-off-by: Kalesh Singh <kaleshsingh@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220726073750.3219117-12-kaleshsingh@google.com |
||
|
Kalesh Singh
|
db129d486e |
KVM: arm64: Implement non-protected nVHE hyp stack unwinder
Implements the common framework necessary for unwind() to work
for non-protected nVHE mode:
- on_accessible_stack()
- on_overflow_stack()
- unwind_next()
Non-protected nVHE unwind() is used to unwind and dump the hypervisor
stacktrace by the host in EL1
Signed-off-by: Kalesh Singh <kaleshsingh@google.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220726073750.3219117-11-kaleshsingh@google.com
|
||
|
Kalesh Singh
|
879e5ac7b2 |
KVM: arm64: Prepare non-protected nVHE hypervisor stacktrace
In non-protected nVHE mode (non-pKVM) the host can directly access hypervisor memory; and unwinding of the hypervisor stacktrace is done from EL1 to save on memory for shared buffers. To unwind the hypervisor stack from EL1 the host needs to know the starting point for the unwind and information that will allow it to translate hypervisor stack addresses to the corresponding kernel addresses. This patch sets up this book keeping. It is made use of later in the series. Signed-off-by: Kalesh Singh <kaleshsingh@google.com> Reviewed-by: Fuad Tabba <tabba@google.com> Tested-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20220726073750.3219117-10-kaleshsingh@google.com |