History log of /openbmc/linux/arch/arm64/kernel/signal.c (Results 51 – 75 of 731)
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# 33436335 15-Feb-2023 Paolo Bonzini <pbonzini@redhat.com>

Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv changes for 6.3

- Fix wrong usage of PGDIR_SIZE to check page sizes
- Fix privilege mode setting in kvm_riscv_v

Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv changes for 6.3

- Fix wrong usage of PGDIR_SIZE to check page sizes
- Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect()
- Redirect illegal instruction traps to guest
- SBI PMU support for guest

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Revision tags: v6.1.12
# 619cec00 13-Feb-2023 Oliver Upton <oliver.upton@linux.dev>

Merge branch arm64/for-next/sme2 into kvmarm/next

Merge the SME2 branch to fix up a rather annoying conflict due to the
EL2 finalization refactor.

Signed-off-by: Oliver Upton <oliver.upton@linux.de

Merge branch arm64/for-next/sme2 into kvmarm/next

Merge the SME2 branch to fix up a rather annoying conflict due to the
EL2 finalization refactor.

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

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# ad4a4d3a 10-Feb-2023 Catalin Marinas <catalin.marinas@arm.com>

Merge branch 'for-next/signal' into for-next/core

* for-next/signal:
: Signal handling cleanups
arm64/signal: Only read new data when parsing the ZT context
arm64/signal: Only read new data wh

Merge branch 'for-next/signal' into for-next/core

* for-next/signal:
: Signal handling cleanups
arm64/signal: Only read new data when parsing the ZT context
arm64/signal: Only read new data when parsing the ZA context
arm64/signal: Only read new data when parsing the SVE context
arm64/signal: Avoid rereading context frame sizes
arm64/signal: Make interface for restore_fpsimd_context() consistent
arm64/signal: Remove redundant size validation from parse_user_sigframe()
arm64/signal: Don't redundantly verify FPSIMD magic

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# 156010ed 10-Feb-2023 Catalin Marinas <catalin.marinas@arm.com>

Merge branches 'for-next/sysreg', 'for-next/sme', 'for-next/kselftest', 'for-next/misc', 'for-next/sme2', 'for-next/tpidr2', 'for-next/scs', 'for-next/compat-hwcap', 'for-next/ftrace', 'for-next/efi-

Merge branches 'for-next/sysreg', 'for-next/sme', 'for-next/kselftest', 'for-next/misc', 'for-next/sme2', 'for-next/tpidr2', 'for-next/scs', 'for-next/compat-hwcap', 'for-next/ftrace', 'for-next/efi-boot-mmu-on', 'for-next/ptrauth' and 'for-next/pseudo-nmi', remote-tracking branch 'arm64/for-next/perf' into for-next/core

* arm64/for-next/perf:
perf: arm_spe: Print the version of SPE detected
perf: arm_spe: Add support for SPEv1.2 inverted event filtering
perf: Add perf_event_attr::config3
drivers/perf: fsl_imx8_ddr_perf: Remove set-but-not-used variable
perf: arm_spe: Support new SPEv1.2/v8.7 'not taken' event
perf: arm_spe: Use new PMSIDR_EL1 register enums
perf: arm_spe: Drop BIT() and use FIELD_GET/PREP accessors
arm64/sysreg: Convert SPE registers to automatic generation
arm64: Drop SYS_ from SPE register defines
perf: arm_spe: Use feature numbering for PMSEVFR_EL1 defines
perf/marvell: Add ACPI support to TAD uncore driver
perf/marvell: Add ACPI support to DDR uncore driver
perf/arm-cmn: Reset DTM_PMU_CONFIG at probe
drivers/perf: hisi: Extract initialization of "cpa_pmu->pmu"
drivers/perf: hisi: Simplify the parameters of hisi_pmu_init()
drivers/perf: hisi: Advertise the PERF_PMU_CAP_NO_EXCLUDE capability

* for-next/sysreg:
: arm64 sysreg and cpufeature fixes/updates
KVM: arm64: Use symbolic definition for ISR_EL1.A
arm64/sysreg: Add definition of ISR_EL1
arm64/sysreg: Add definition for ICC_NMIAR1_EL1
arm64/cpufeature: Remove 4 bit assumption in ARM64_FEATURE_MASK()
arm64/sysreg: Fix errors in 32 bit enumeration values
arm64/cpufeature: Fix field sign for DIT hwcap detection

* for-next/sme:
: SME-related updates
arm64/sme: Optimise SME exit on syscall entry
arm64/sme: Don't use streaming mode to probe the maximum SME VL
arm64/ptrace: Use system_supports_tpidr2() to check for TPIDR2 support

* for-next/kselftest: (23 commits)
: arm64 kselftest fixes and improvements
kselftest/arm64: Don't require FA64 for streaming SVE+ZA tests
kselftest/arm64: Copy whole EXTRA context
kselftest/arm64: Fix enumeration of systems without 128 bit SME for SSVE+ZA
kselftest/arm64: Fix enumeration of systems without 128 bit SME
kselftest/arm64: Don't require FA64 for streaming SVE tests
kselftest/arm64: Limit the maximum VL we try to set via ptrace
kselftest/arm64: Correct buffer size for SME ZA storage
kselftest/arm64: Remove the local NUM_VL definition
kselftest/arm64: Verify simultaneous SSVE and ZA context generation
kselftest/arm64: Verify that SSVE signal context has SVE_SIG_FLAG_SM set
kselftest/arm64: Remove spurious comment from MTE test Makefile
kselftest/arm64: Support build of MTE tests with clang
kselftest/arm64: Initialise current at build time in signal tests
kselftest/arm64: Don't pass headers to the compiler as source
kselftest/arm64: Remove redundant _start labels from FP tests
kselftest/arm64: Fix .pushsection for strings in FP tests
kselftest/arm64: Run BTI selftests on systems without BTI
kselftest/arm64: Fix test numbering when skipping tests
kselftest/arm64: Skip non-power of 2 SVE vector lengths in fp-stress
kselftest/arm64: Only enumerate power of two VLs in syscall-abi
...

* for-next/misc:
: Miscellaneous arm64 updates
arm64/mm: Intercept pfn changes in set_pte_at()
Documentation: arm64: correct spelling
arm64: traps: attempt to dump all instructions
arm64: Apply dynamic shadow call stack patching in two passes
arm64: el2_setup.h: fix spelling typo in comments
arm64: Kconfig: fix spelling
arm64: cpufeature: Use kstrtobool() instead of strtobool()
arm64: Avoid repeated AA64MMFR1_EL1 register read on pagefault path
arm64: make ARCH_FORCE_MAX_ORDER selectable

* for-next/sme2: (23 commits)
: Support for arm64 SME 2 and 2.1
arm64/sme: Fix __finalise_el2 SMEver check
kselftest/arm64: Remove redundant _start labels from zt-test
kselftest/arm64: Add coverage of SME 2 and 2.1 hwcaps
kselftest/arm64: Add coverage of the ZT ptrace regset
kselftest/arm64: Add SME2 coverage to syscall-abi
kselftest/arm64: Add test coverage for ZT register signal frames
kselftest/arm64: Teach the generic signal context validation about ZT
kselftest/arm64: Enumerate SME2 in the signal test utility code
kselftest/arm64: Cover ZT in the FP stress test
kselftest/arm64: Add a stress test program for ZT0
arm64/sme: Add hwcaps for SME 2 and 2.1 features
arm64/sme: Implement ZT0 ptrace support
arm64/sme: Implement signal handling for ZT
arm64/sme: Implement context switching for ZT0
arm64/sme: Provide storage for ZT0
arm64/sme: Add basic enumeration for SME2
arm64/sme: Enable host kernel to access ZT0
arm64/sme: Manually encode ZT0 load and store instructions
arm64/esr: Document ISS for ZT0 being disabled
arm64/sme: Document SME 2 and SME 2.1 ABI
...

* for-next/tpidr2:
: Include TPIDR2 in the signal context
kselftest/arm64: Add test case for TPIDR2 signal frame records
kselftest/arm64: Add TPIDR2 to the set of known signal context records
arm64/signal: Include TPIDR2 in the signal context
arm64/sme: Document ABI for TPIDR2 signal information

* for-next/scs:
: arm64: harden shadow call stack pointer handling
arm64: Stash shadow stack pointer in the task struct on interrupt
arm64: Always load shadow stack pointer directly from the task struct

* for-next/compat-hwcap:
: arm64: Expose compat ARMv8 AArch32 features (HWCAPs)
arm64: Add compat hwcap SSBS
arm64: Add compat hwcap SB
arm64: Add compat hwcap I8MM
arm64: Add compat hwcap ASIMDBF16
arm64: Add compat hwcap ASIMDFHM
arm64: Add compat hwcap ASIMDDP
arm64: Add compat hwcap FPHP and ASIMDHP

* for-next/ftrace:
: Add arm64 support for DYNAMICE_FTRACE_WITH_CALL_OPS
arm64: avoid executing padding bytes during kexec / hibernation
arm64: Implement HAVE_DYNAMIC_FTRACE_WITH_CALL_OPS
arm64: ftrace: Update stale comment
arm64: patching: Add aarch64_insn_write_literal_u64()
arm64: insn: Add helpers for BTI
arm64: Extend support for CONFIG_FUNCTION_ALIGNMENT
ACPI: Don't build ACPICA with '-Os'
Compiler attributes: GCC cold function alignment workarounds
ftrace: Add DYNAMIC_FTRACE_WITH_CALL_OPS

* for-next/efi-boot-mmu-on:
: Permit arm64 EFI boot with MMU and caches on
arm64: kprobes: Drop ID map text from kprobes blacklist
arm64: head: Switch endianness before populating the ID map
efi: arm64: enter with MMU and caches enabled
arm64: head: Clean the ID map and the HYP text to the PoC if needed
arm64: head: avoid cache invalidation when entering with the MMU on
arm64: head: record the MMU state at primary entry
arm64: kernel: move identity map out of .text mapping
arm64: head: Move all finalise_el2 calls to after __enable_mmu

* for-next/ptrauth:
: arm64 pointer authentication cleanup
arm64: pauth: don't sign leaf functions
arm64: unify asm-arch manipulation

* for-next/pseudo-nmi:
: Pseudo-NMI code generation optimisations
arm64: irqflags: use alternative branches for pseudo-NMI logic
arm64: add ARM64_HAS_GIC_PRIO_RELAXED_SYNC cpucap
arm64: make ARM64_HAS_GIC_PRIO_MASKING depend on ARM64_HAS_GIC_CPUIF_SYSREGS
arm64: rename ARM64_HAS_IRQ_PRIO_MASKING to ARM64_HAS_GIC_PRIO_MASKING
arm64: rename ARM64_HAS_SYSREG_GIC_CPUIF to ARM64_HAS_GIC_CPUIF_SYSREGS

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Revision tags: v6.1.11
# 94817983 08-Feb-2023 Mauro Carvalho Chehab <mchehab@kernel.org>

Merge tag 'v6.2-rc7' into media_tree

Linux 6.2-rc7

* tag 'v6.2-rc7': (1549 commits)
Linux 6.2-rc7
fbcon: Check font dimension limits
efi: fix potential NULL deref in efi_mem_reserve_persisten

Merge tag 'v6.2-rc7' into media_tree

Linux 6.2-rc7

* tag 'v6.2-rc7': (1549 commits)
Linux 6.2-rc7
fbcon: Check font dimension limits
efi: fix potential NULL deref in efi_mem_reserve_persistent
kernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()
HV: hv_balloon: fix memory leak with using debugfs_lookup()
mtk_sgmii: enable PCS polling to allow SFP work
net: mediatek: sgmii: fix duplex configuration
net: mediatek: sgmii: ensure the SGMII PHY is powered down on configuration
MAINTAINERS: update SCTP maintainers
MAINTAINERS: ipv6: retire Hideaki Yoshifuji
mailmap: add John Crispin's entry
MAINTAINERS: bonding: move Veaceslav Falico to CREDITS
net: openvswitch: fix flow memory leak in ovs_flow_cmd_new
net: ethernet: mtk_eth_soc: disable hardware DSA untagging for second MAC
virtio-net: Keep stop() to follow mirror sequence of open()
efi: Accept version 2 of memory attributes table
ceph: blocklist the kclient when receiving corrupted snap trace
ceph: move mount state enum to super.h
selftests: net: udpgso_bench_tx: Cater for pending datagrams zerocopy benchmarking
selftests: net: udpgso_bench: Fix racing bug between the rx/tx programs
...

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Revision tags: v6.1.10, v6.1.9
# ad678be4 31-Jan-2023 Mark Brown <broonie@kernel.org>

arm64/signal: Only read new data when parsing the ZT context

When we parse the ZT signal context we read the entire context from
userspace, including the generic signal context header which was alre

arm64/signal: Only read new data when parsing the ZT context

When we parse the ZT signal context we read the entire context from
userspace, including the generic signal context header which was already
read by parse_user_sigframe() and padding bytes that we ignore. Avoid the
possibility of relying on the second read of the data read twice by only
reading the data which we are actually going to use.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221212-arm64-signal-cleanup-v3-7-4545c94b20ff@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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# 24d68345 31-Jan-2023 Mark Brown <broonie@kernel.org>

arm64/signal: Only read new data when parsing the ZA context

When we parse the ZA signal context we read the entire context from
userspace, including the generic signal context header which was alre

arm64/signal: Only read new data when parsing the ZA context

When we parse the ZA signal context we read the entire context from
userspace, including the generic signal context header which was already
read by parse_user_sigframe() and padding bytes that we ignore. Avoid the
possibility of relying on the second read of the data read twice by only
reading the data which we are actually going to use.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221212-arm64-signal-cleanup-v3-6-4545c94b20ff@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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# f3ac48aa 31-Jan-2023 Mark Brown <broonie@kernel.org>

arm64/signal: Only read new data when parsing the SVE context

When we parse the SVE signal context we read the entire context from
userspace, including the generic signal context header which was al

arm64/signal: Only read new data when parsing the SVE context

When we parse the SVE signal context we read the entire context from
userspace, including the generic signal context header which was already
read by parse_user_sigframe() and padding bytes that we ignore. Avoid the
possibility of relying on the second read of the data read twice by only
reading the data which we are actually going to use.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221212-arm64-signal-cleanup-v3-5-4545c94b20ff@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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# b57682b3 31-Jan-2023 Mark Brown <broonie@kernel.org>

arm64/signal: Avoid rereading context frame sizes

We need to read the sizes of the signal context frames as part of parsing
the overall signal context in parse_user_sigframe(). In the cases where we

arm64/signal: Avoid rereading context frame sizes

We need to read the sizes of the signal context frames as part of parsing
the overall signal context in parse_user_sigframe(). In the cases where we
defer frame specific parsing to other functions those functions (other
than the recently added TPIDR2 parser) reread the size and validate the
version they read, opening the possibility that the value may change.
Avoid this possibility by passing the size read in parse_user_sigframe()
through user_ctxs and referring to that.

For consistency we move the size check for the TPIDR2 context into the
TPIDR2 parsing function.

Note that for SVE, ZA and ZT contexts we still read the size again but
after this change we no longer use the value, further changes will avoid
the read.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221212-arm64-signal-cleanup-v3-4-4545c94b20ff@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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# 4e4e9304 31-Jan-2023 Mark Brown <broonie@kernel.org>

arm64/signal: Make interface for restore_fpsimd_context() consistent

Instead of taking a pointer to struct user_ctxs like the other two
restore_blah_context() functions the FPSIMD function takes a p

arm64/signal: Make interface for restore_fpsimd_context() consistent

Instead of taking a pointer to struct user_ctxs like the other two
restore_blah_context() functions the FPSIMD function takes a pointer to the
user struct it should read. Change it to be consistent with the rest, both
for consistency and to prepare for changes which avoid rereading data that
has already been read by the core parsing code.

There should be no functional change from this patch.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221212-arm64-signal-cleanup-v3-3-4545c94b20ff@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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# 0eb23720 31-Jan-2023 Mark Brown <broonie@kernel.org>

arm64/signal: Remove redundant size validation from parse_user_sigframe()

There is some minimal size validation in parse_user_sigframe() however
all of the individual parsing functions perform frame

arm64/signal: Remove redundant size validation from parse_user_sigframe()

There is some minimal size validation in parse_user_sigframe() however
all of the individual parsing functions perform frame specific validation
of the sizing information, remove the frame specific size checks in the
core so that there isn't any confusion about what we validate for size.

Since the checks in the SVE and ZA parsing are after we have read the
relevant context and since they won't report an error if the frame is
undersized they are adjusted to check for this before doing anything else.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221212-arm64-signal-cleanup-v3-2-4545c94b20ff@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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# 92f14518 31-Jan-2023 Mark Brown <broonie@kernel.org>

arm64/signal: Don't redundantly verify FPSIMD magic

We validate that the magic in the struct fpsimd_context is correct in
restore_fpsimd_context() but this is redundant since parse_user_sigframe()
u

arm64/signal: Don't redundantly verify FPSIMD magic

We validate that the magic in the struct fpsimd_context is correct in
restore_fpsimd_context() but this is redundant since parse_user_sigframe()
uses this magic to decide to call the function in the first place. Remove
the extra validation.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221212-arm64-signal-cleanup-v3-1-4545c94b20ff@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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# ea776e49 01-Feb-2023 Catalin Marinas <catalin.marinas@arm.com>

Merge branches 'for-next/tpidr2' and 'for-next/sme2' into for-next/signal

Patches on this branch depend on the branches merged above.


# 9b074bb1 01-Feb-2023 Catalin Marinas <catalin.marinas@arm.com>

Merge branches 'for-next/sysreg', 'for-next/compat-hwcap' and 'for-next/sme2' into for-next/sysreg-hwcaps

Patches on this branch depend on the branches merged above.


# 57a30218 31-Jan-2023 Ingo Molnar <mingo@kernel.org>

Merge tag 'v6.2-rc6' into sched/core, to pick up fixes

Pick up fixes before merging another batch of cpuidle updates.

Signed-off-by: Ingo Molnar <mingo@kernel.org>


# df5bf3b9 31-Jan-2023 Thomas Zimmermann <tzimmermann@suse.de>

Merge drm/drm-next into drm-misc-next

Backmerging to get v6.2-rc6.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>


# aebd8f0c 31-Jan-2023 Daniel Vetter <daniel.vetter@ffwll.ch>

Merge v6.2-rc6 into drm-next

Due to holidays we started -next with more -fixes in-flight than
usual, and people have been asking where they are. Backmerge to get
things better in sync.

Conflicts:
-

Merge v6.2-rc6 into drm-next

Due to holidays we started -next with more -fixes in-flight than
usual, and people have been asking where they are. Backmerge to get
things better in sync.

Conflicts:
- Tiny conflict in drm_fbdev_generic.c between variable rename and
missing error handling that got added.
- Conflict in drm_fb_helper.c between the added call to vgaswitcheroo
in drm_fb_helper_single_fb_probe and a refactor patch that extracted
lots of helpers and incidentally removed the dev local variable.
Readd it to make things compile.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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# 6397859c 26-Jan-2023 Ingo Molnar <mingo@kernel.org>

Merge tag 'v6.2-rc5' into locking/core, to pick up fixes

Refresh this branch with the latest locking fixes, before
applying a new series of changes.

Signed-off-by: Ingo Molnar <mingo@kernel.org>


# 8ef0ca4a 24-Jan-2023 Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Merge back other thermal control material for 6.3.

* thermal: (734 commits)
thermal: core: call put_device() only after device_register() fails
Linux 6.2-rc4
kbuild: Fix CFI hash randomization

Merge back other thermal control material for 6.3.

* thermal: (734 commits)
thermal: core: call put_device() only after device_register() fails
Linux 6.2-rc4
kbuild: Fix CFI hash randomization with KASAN
firmware: coreboot: Check size of table entry and use flex-array
kallsyms: Fix scheduling with interrupts disabled in self-test
ata: pata_cs5535: Don't build on UML
lockref: stop doing cpu_relax in the cmpxchg loop
x86/pci: Treat EfiMemoryMappedIO as reservation of ECAM space
efi: tpm: Avoid READ_ONCE() for accessing the event log
io_uring: lock overflowing for IOPOLL
ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
iommu/mediatek-v1: Fix an error handling path in mtk_iommu_v1_probe()
iommu/iova: Fix alloc iova overflows issue
iommu: Fix refcount leak in iommu_device_claim_dma_owner
iommu/arm-smmu-v3: Don't unregister on shutdown
iommu/arm-smmu: Don't unregister on shutdown
iommu/arm-smmu: Report IOMMU_CAP_CACHE_COHERENCY even betterer
platform/x86: thinkpad_acpi: Fix profile mode display in AMT mode
ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate()
platform/x86: int3472/discrete: Ensure the clk/power enable pins are in output mode
...

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Revision tags: v6.1.8
# e3e9fc7f 23-Jan-2023 Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge 6.2-rc5 into usb-next

We need the USB fixes in here and this resolves merge conflicts as
reported in linux-next in the following files:
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h
drive

Merge 6.2-rc5 into usb-next

We need the USB fixes in here and this resolves merge conflicts as
reported in linux-next in the following files:
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h
drivers/usb/typec/ucsi/ucsi.c

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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# f89fd043 22-Jan-2023 Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge 6.2-rc5 into driver-core-next

We need the driver core fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>


# b3c588cd 20-Jan-2023 Jakub Kicinski <kuba@kernel.org>

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

drivers/net/ipa/ipa_interrupt.c
drivers/net/ipa/ipa_interrupt.h
9ec9b2a30853 ("net: ipa: disable ipa interrupt during suspend")
8e4

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

drivers/net/ipa/ipa_interrupt.c
drivers/net/ipa/ipa_interrupt.h
9ec9b2a30853 ("net: ipa: disable ipa interrupt during suspend")
8e461e1f092b ("net: ipa: introduce ipa_interrupt_enable()")
d50ed3558719 ("net: ipa: enable IPA interrupt handlers separate from registration")
https://lore.kernel.org/all/20230119114125.5182c7ab@canb.auug.org.au/
https://lore.kernel.org/all/79e46152-8043-a512-79d9-c3b905462774@tessares.net/

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Revision tags: v6.1.7, v6.1.6, v6.1.5, v6.0.19, v6.0.18, v6.1.4, v6.1.3, v6.0.17, v6.1.2, v6.0.16
# 39e54499 27-Dec-2022 Mark Brown <broonie@kernel.org>

arm64/signal: Include TPIDR2 in the signal context

Add a new signal frame record for TPIDR2 using the same format as we
already use for ESR with different magic, a header with the value from the
reg

arm64/signal: Include TPIDR2 in the signal context

Add a new signal frame record for TPIDR2 using the same format as we
already use for ESR with different magic, a header with the value from the
register appended as the only data. If SME is supported then this record is
always included.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
Link: https://lore.kernel.org/r/20221208-arm64-tpidr2-sig-v3-2-c77c6c8775f4@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

show more ...


# ee072cf7 16-Jan-2023 Mark Brown <broonie@kernel.org>

arm64/sme: Implement signal handling for ZT

Add a new signal context type for ZT which is present in the signal frame
when ZA is enabled and ZT is supported by the system. In order to account
for th

arm64/sme: Implement signal handling for ZT

Add a new signal context type for ZT which is present in the signal frame
when ZA is enabled and ZT is supported by the system. In order to account
for the possible addition of further ZT registers in the future we make the
number of registers variable in the ABI, though currently the only possible
number is 1. We could just use a bare list head for the context since the
number of registers can be inferred from the size of the context but for
usability and future extensibility we define a header with the number of
registers and some reserved fields in it.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221208-arm64-sme2-v4-11-f2fa0aef982f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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# ce514000 16-Jan-2023 Mark Brown <broonie@kernel.org>

arm64/sme: Rename za_state to sme_state

In preparation for adding support for storage for ZT0 to the thread_struct
rename za_state to sme_state. Since ZT0 is accessible when PSTATE.ZA is
set just li

arm64/sme: Rename za_state to sme_state

In preparation for adding support for storage for ZT0 to the thread_struct
rename za_state to sme_state. Since ZT0 is accessible when PSTATE.ZA is
set just like ZA itself we will extend the allocation done for ZA to
cover it, avoiding the need to further expand task_struct for non-SME
tasks.

No functional changes.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221208-arm64-sme2-v4-1-f2fa0aef982f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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