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mirror-linux/arch/arm64/kernel
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Mark Brown 98a97bf415 arm64/gcs: Flush the GCS locking state on exec 
When we exec a new task we forget to flush the set of locked GCS mode bits.
Since we do flush the rest of the state this means that if GCS is locked
the new task will be unable to enable GCS, it will be locked as being
disabled. Add the expected flush.

Fixes: fc84bc5378 ("arm64/gcs: Context switch GCS state for EL0")
Cc: <stable@vger.kernel.org> # 6.13.x
Reported-by: Yury Khrustalev <Yury.Khrustalev@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Tested-by: Yury Khrustalev <yury.khrustalev@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
 		2025-12-15 12:06:40 +00:00
..
pi arm64 updates for 6.19: 2025-12-02 17:03:55 -08:00
probes arm64 updates for 6.19: 2025-12-02 17:03:55 -08:00
vdso stackleak: Split KSTACK_ERASE_CFLAGS from GCC_PLUGINS_CFLAGS 2025-07-21 21:40:57 -07:00
vdso32 kbuild: Add '-fms-extensions' to areas with dedicated CFLAGS 2025-10-30 21:26:28 -04:00
.gitignore
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Makefile arm64 updates for 6.17: 2025-07-29 20:21:54 -07:00
Makefile.syscalls syscalls: fix syscall macros for newfstat/newfstatat 2024-08-02 15:20:47 +02:00
acpi.c arm64 updates for 6.19: 2025-12-02 17:03:55 -08:00
acpi_numa.c arm64: ACPI: NUMA: initialize all values of acpi_early_node_map to NUMA_NO_NODE 2024-08-14 17:51:39 +01:00
acpi_parking_protocol.c arm64: smp: Remove dedicated wakeup IPI 2023-09-25 17:15:28 +01:00
alternative.c arm64: Reject modules with internal alternative callbacks 2025-11-07 15:00:14 +00:00
armv8_deprecated.c sysctl: treewide: constify the ctl_table argument of proc_handlers 2024-07-24 20:59:29 +02:00
asm-offsets.c arch: Add the macro COMPILE_OFFSETS to all the asm-offsets.c 2025-09-25 09:57:15 +02:00
cacheinfo.c arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array 2025-02-07 09:57:56 +00:00
compat_alignment.c arm64: Don't call NULL in do_compat_alignment_fixup() 2025-04-01 14:13:11 +01:00
cpu-reset.S
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cpu_errata.c arm64: errata: Apply workarounds for Neoverse-V3AE 2025-09-22 11:27:14 +01:00
cpu_ops.c
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cpufeature.c ARM: 2025-12-05 17:01:20 -08:00
cpuinfo.c arm64/hwcap: Add hwcap for FEAT_LSFE 2025-09-16 19:55:11 +01:00
crash_dump.c
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debug-monitors.c arm64 updates for 6.18 2025-09-29 18:48:39 -07:00
efi-header.S include: pe.h: Fix PE definitions 2025-05-21 16:46:37 +02:00
efi-rt-wrapper.S
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efi.c arm64/efi: Call EFI runtime services without disabling preemption 2025-11-11 18:59:22 +00:00
elfcore.c fs: avoid mmap sem relocks when coredumping with many missing pages 2025-02-21 10:25:32 +01:00
entry-common.c arm64 updates for 6.19: 2025-12-02 17:03:55 -08:00
entry-fpsimd.S
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entry-ftrace.S arm64: Fix double word in comments 2025-11-12 17:07:59 +00:00
entry.S arm64 updates for 6.17: 2025-07-29 20:21:54 -07:00
fpsimd.c arm64/efi: Remove unneeded SVE/SME fallback preserve/store handling 2025-12-15 12:05:37 +00:00
ftrace.c arm64: Fix typos and spelling errors in comments 2025-11-12 17:06:21 +00:00
head.S arm64/boot: Move init_pgdir[] and init_idmap_pgdir[] into __pi_ namespace 2025-05-16 16:05:21 +01:00
hibernate-asm.S
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hibernate.c hugetlb: arm64: add mte support 2024-10-16 14:50:47 +01:00
hw_breakpoint.c arm64: debug: split hardware watchpoint exception entry 2025-07-08 13:27:42 +01:00
hyp-stub.S KVM: arm64: GICv3: Detect and work around the lack of ICV_DIR_EL1 trapping 2025-11-24 14:29:11 -08:00
idle.c arm64: idle: Tag the arm64 idle functions as __cpuidle 2023-09-25 17:15:28 +01:00
image-vars.h KVM: arm64: Turn vgic-v3 errata traps into a patched-in constant 2025-11-24 14:29:11 -08:00
image.h
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io.c arm64: Use new fallback IO memcpy/memset 2024-10-28 21:44:29 +00:00
irq.c arm64: use SOFTIRQ_ON_OWN_STACK for enabling softirq stack 2025-11-07 19:55:52 +00:00
jump_label.c asm-generic: introduce text-patching.h 2024-11-07 14:25:15 -08:00
kaslr.c arm64/mm: Remove randomization of the linear map 2025-04-29 13:21:49 +01:00
kexec_image.c kexec_file, arm64: print out debugging message if required 2023-12-20 15:02:57 -08:00
kgdb.c arm64: debug: call step handlers statically 2025-07-08 13:27:41 +01:00
kuser32.S
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machine_kexec.c arm64: Fix typos and spelling errors in comments 2025-11-12 17:06:21 +00:00
machine_kexec_file.c arm64: kexec: initialize kexec_buf struct in load_other_segments() 2025-09-03 17:10:37 -07:00
module-plts.c arm64: ftrace: fix unreachable PLT for ftrace_caller in init_module with CONFIG_DYNAMIC_FTRACE 2025-09-05 16:56:20 +01:00
module.c arm64: Reject modules with internal alternative callbacks 2025-11-07 15:00:14 +00:00
mte.c mm/huge_memory: initialise the tags of the huge zero folio 2025-11-09 21:19:46 -08:00
paravirt.c
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patching.c arm64: patching: avoid early page_to_phys() 2024-12-03 18:05:42 +00:00
pci.c arm64: PCI: Migrate ACPI related functions to pci-acpi.c 2024-08-27 15:48:34 +02:00
perf_callchain.c perf/core: Correct perf sampling with guest VMs 2024-11-14 10:40:01 +01:00
perf_regs.c
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pointer_auth.c
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process.c arm64/gcs: Flush the GCS locking state on exec 2025-12-15 12:06:40 +00:00
proton-pack.c arm64: proton-pack: Fix hard lockup when !MITIGATE_SPECTRE_BRANCH_HISTORY 2025-11-24 13:31:50 +00:00
psci.c arm64: psci: Ignore DENIED CPUs 2024-06-28 18:38:31 +01:00
ptrace.c arm64/sme: Support disabling streaming mode via ptrace on SME only systems 2025-11-17 20:11:54 +00:00
reloc_test_core.c ARM64: reloc_test: add missing MODULE_DESCRIPTION() macro 2024-06-13 10:23:54 +01:00
reloc_test_syms.S
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relocate_kernel.S
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return_address.c
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rsi.c arm64: realm: ioremap: Allow mapping memory as encrypted 2025-09-19 10:12:01 +01:00
sdei.c Merge branches 'for-next/misc', 'for-next/kselftest', 'for-next/efi-preempt', 'for-next/assembler-macro', 'for-next/typos', 'for-next/sme-ptrace-disable', 'for-next/local-tlbi-page-reused', 'for-next/mpam', 'for-next/acpi' and 'for-next/documentation', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2025-11-28 15:47:12 +00:00
setup.c arm64: map [_text, _stext) virtual address range non-executable+read-only 2025-09-22 11:58:17 +01:00
signal.c arm64: entry: Switch to generic IRQ entry 2025-09-11 15:55:35 +01:00
signal32.c arm64/fpsimd: signal32: Always save+flush state early 2025-04-09 18:06:31 +01:00
sigreturn32.S arm64: rework compat syscall macros 2024-07-10 14:23:38 +02:00
sleep.S arm64: mm: Handle LVA support as a CPU feature 2024-02-16 12:42:36 +00:00
smccc-call.S arm64: smccc: Remove broken support for SMCCCv1.3 SVE discard hint 2024-11-07 11:18:52 +00:00
smp.c arm64 updates for 6.19: 2025-12-02 17:03:55 -08:00
smp_spin_table.c
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stacktrace.c Merge branches 'for-next/livepatch', 'for-next/user-contig-bbml2', 'for-next/misc', 'for-next/acpi', 'for-next/debug-entry', 'for-next/feat_mte_tagged_far', 'for-next/kselftest', 'for-next/mdscr-cleanup' and 'for-next/vmap-stack', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2025-07-24 16:01:22 +01:00
suspend.c arm64/sme: Restore SME registers on exit from suspend 2024-02-20 12:19:15 +00:00
sys.c arm64: generate 64-bit syscall.tbl 2024-07-10 14:23:38 +02:00
sys32.c arm64: convert unistd_32.h to syscall.tbl format 2024-07-10 14:23:38 +02:00
sys_compat.c arm64: Avoid cpus_have_const_cap() for ARM64_WORKAROUND_1542419 2023-10-16 14:17:06 +01:00
syscall.c arm64: add unlikely hint to MTE async fault check in el0_svc_common 2025-11-11 19:49:19 +00:00
time.c
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topology.c arch_topology: move parse_acpi_topology() to common code 2025-10-22 08:10:57 +02:00
trace-events-emulation.h tracing/treewide: Remove second parameter of __assign_str() 2024-05-22 20:14:47 -04:00
traps.c arm64: Fix typos and spelling errors in comments 2025-11-12 17:06:21 +00:00
vdso-wrap.S
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vdso.c mseal sysmap: enable arm64 2025-04-01 15:17:15 -07:00
vdso32-wrap.S
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vmcore_info.c arm64/sysreg: Replace TCR_EL1 field macros 2025-11-13 15:58:30 +00:00
vmlinux.lds.S ARM: 2025-05-29 08:10:01 -07:00
watchdog_hld.c arm64/watchdog_hld: Add a cpufreq notifier for update watchdog thresh 2025-07-04 13:17:30 +01:00