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58c9a5060c
linux/arch/arm64/kernel
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James Morse 58c9a5060c arm64: proton-pack: Include unprivileged eBPF status in Spectre v2 mitigation reporting 
The mitigations for Spectre-BHB are only applied when an exception is
taken from user-space. The mitigation status is reported via the spectre_v2
sysfs vulnerabilities file.

When unprivileged eBPF is enabled the mitigation in the exception vectors
can be avoided by an eBPF program.

When unprivileged eBPF is enabled, print a warning and report vulnerable
via the sysfs vulnerabilities file.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: James Morse <james.morse@arm.com>
2022-03-07 17:25:52 +00:00
..
probes arm64: kprobes: Make a frame pointer on __kretprobe_trampoline 2021-10-22 12:16:53 -04:00
vdso arm64: vdso: Fix "no previous prototype" warning 2022-01-24 12:08:28 +00:00
vdso32 arm64: vdso: remove -nostdlib compiler flag 2021-11-08 10:02:57 +00:00
.gitignore
acpi_numa.c arm64, numa: Change the numa init functions name to be generic 2021-01-14 15:08:54 -08:00
acpi_parking_protocol.c arm64: use function_nocfi with __pa_symbol 2021-04-08 16:04:22 -07:00
acpi.c arm64: Simplify checking for populated DT 2021-12-06 16:12:53 +00:00
alternative.c arm64: Rename arm64-internal cache maintenance functions 2021-05-25 19:27:49 +01:00
armv8_deprecated.c arm64: extable: add a dedicated uaccess handler 2021-10-21 10:45:22 +01:00
asm-offsets.c KVM: arm64: Drop unused workaround_flags vcpu field 2021-12-08 14:54:07 +00:00
cacheinfo.c drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION() 2021-09-01 10:29:10 +02:00
cpu_errata.c arm64: Mitigate spectre style branch history side channels 2022-02-24 13:58:52 +00:00
cpu_ops.c
cpu-reset.S arm64: kexec: remove cpu-reset.h 2021-10-01 13:31:00 +01:00
cpufeature.c arm64: Use the clearbhb instruction in mitigations 2022-02-24 14:02:44 +00:00
cpuidle.c arm64: kernel: Update the stale comment 2021-05-06 12:26:26 +01:00
cpuinfo.c arm64: cpufeature: add HWCAP for FEAT_RPRES 2021-12-13 18:53:00 +00:00
crash_core.c
crash_dump.c arm64: kdump: update ppos when reading elfcorehdr 2021-03-22 12:46:38 +00:00
debug-monitors.c arm64: expose FAR_EL1 tag bits in siginfo 2020-11-23 18:17:39 +00:00
efi-entry.S arm64: Rename arm64-internal cache maintenance functions 2021-05-25 19:27:49 +01:00
efi-header.S arm64: head: tidy up the Image header definition 2020-11-17 16:14:20 +00:00
efi-rt-wrapper.S
efi.c arm64: efi: Export screen_info 2021-08-04 16:54:36 +00:00
entry-common.c arm64: Snapshot thread flags 2021-12-01 00:06:44 +01:00
entry-fpsimd.S arm64/sve: Explicitly load vector length when restoring SVE state 2021-10-21 10:18:17 +01:00
entry-ftrace.S arm64: Use BTI C directly and unconditionally 2021-12-14 18:12:58 +00:00
entry.S arm64: Use the clearbhb instruction in mitigations 2022-02-24 14:02:44 +00:00
fpsimd.c RISCV: 2022-01-16 16:15:14 +02:00
ftrace.c arm64: ftrace: use HAVE_FUNCTION_GRAPH_RET_ADDR_PTR 2021-11-16 09:47:54 +00:00
head.S sched: move CPU field back into thread_info if THREAD_INFO_IN_TASK=y 2021-09-30 16:13:10 +02:00
hibernate-asm.S arm64: kexec: install a copy of the linear-map 2021-10-01 13:31:00 +01:00
hibernate.c arm64: Drop outdated links in comments 2022-01-05 11:51:01 +00:00
hw_breakpoint.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
hyp-stub.S Merge remote-tracking branch 'arm64/for-next/vhe-only' into kvmarm-master/next 2021-04-13 15:42:40 +01:00
idle.c Merge branch 'for-next/entry' into for-next/core 2021-06-24 14:01:55 +01:00
idreg-override.c arm64/cpufeature: Optionally disable MTE via command-line 2021-08-03 15:48:01 +01:00
image-vars.h arm64: Use the clearbhb instruction in mitigations 2022-02-24 14:02:44 +00:00
image.h arm64: get rid of TEXT_OFFSET 2020-09-07 15:00:52 +01:00
io.c
irq.c arm64: irq: allow FIQs to be handled 2021-03-24 20:19:30 +00:00
jump_label.c arm64: insn: decouple patching from insn code 2021-06-11 11:19:27 +01:00
kaslr.c arm64: fix the doc of RANDOMIZE_MODULE_REGION_FULL 2021-08-03 10:36:42 +01:00
kexec_image.c arm64: kexec_file: Fix sparse warning 2020-11-10 13:11:44 +00:00
kgdb.c arm64: insn: decouple patching from insn code 2021-06-11 11:19:27 +01:00
kuser32.S
machine_kexec_file.c arm64: kexec: Fix missing error code 'ret' warning in load_other_segments() 2021-12-16 17:44:58 +00:00
machine_kexec.c Merge branches 'for-next/misc', 'for-next/cache-ops-dzp', 'for-next/stacktrace', 'for-next/xor-neon', 'for-next/kasan', 'for-next/armv8_7-fp', 'for-next/atomics', 'for-next/bti', 'for-next/sve', 'for-next/kselftest' and 'for-next/kcsan', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2022-01-05 18:14:32 +00:00
Makefile kbuild: use more subdir- for visiting subdirectories while cleaning 2021-10-24 13:49:46 +09:00
module-plts.c arm64: improve whitespace 2021-02-04 13:59:49 +00:00
module.c mm: defer kmemleak object creation of module_alloc() 2022-01-15 16:30:25 +02:00
mte.c arm64: mte: Add asymmetric mode support 2021-10-07 09:30:24 +01:00
paravirt.c x86/paravirt: Switch time pvops functions to use static_call() 2021-03-11 16:17:52 +01:00
patching.c Merge branch 'for-next/insn' into for-next/core 2021-06-24 14:03:24 +01:00
pci.c arm64: PCI: Support root bridge preparation for Hyper-V 2021-08-23 10:59:26 +01:00
perf_callchain.c Peter Zijlstra says: 2022-01-12 16:26:58 -08:00
perf_event.c arm64: perf: Don't register user access sysctl handler multiple times 2022-01-04 14:57:14 +00:00
perf_regs.c perf/arch: Remove perf_sample_data::regs_user_copy 2020-11-09 18:12:34 +01:00
pointer_auth.c arm64: move preemption disablement to prctl handlers 2021-07-28 18:33:49 +01:00
process.c Merge branches 'for-next/misc', 'for-next/cache-ops-dzp', 'for-next/stacktrace', 'for-next/xor-neon', 'for-next/kasan', 'for-next/armv8_7-fp', 'for-next/atomics', 'for-next/bti', 'for-next/sve', 'for-next/kselftest' and 'for-next/kcsan', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2022-01-05 18:14:32 +00:00
proton-pack.c arm64: proton-pack: Include unprivileged eBPF status in Spectre v2 mitigation reporting 2022-03-07 17:25:52 +00:00
psci.c arm64: use function_nocfi with __pa_symbol 2021-04-08 16:04:22 -07:00
ptrace.c - Add a set of thread_info.flags accessors which snapshot it before 2022-01-10 11:34:10 -08:00
reloc_test_core.c
reloc_test_syms.S
relocate_kernel.S arm64: kexec: keep MMU enabled during kexec relocation 2021-10-01 13:31:00 +01:00
return_address.c arm64: Make return_address() use arch_stack_walk() 2021-12-10 14:06:04 +00:00
sdei.c arm64: kernel: add helper for booted at EL2 and not VHE 2021-10-01 13:30:59 +01:00
setup.c arm64: Use correct method to calculate nomap region boundaries 2022-01-05 14:46:06 +00:00
signal32.c arm64 updates for 5.15: 2021-09-01 15:04:29 -07:00
signal.c arm64: Snapshot thread flags 2021-12-01 00:06:44 +01:00
sigreturn32.S
sleep.S kasan: remove redundant config option 2021-04-16 16:10:36 -07:00
smccc-call.S arm64: smccc: Save lr before calling __arm_smccc_sve_check() 2021-07-21 11:23:25 +01:00
smp_spin_table.c arm64: Rename arm64-internal cache maintenance functions 2021-05-25 19:27:49 +01:00
smp.c Devicetree updates for v5.16: 2021-11-02 22:22:13 -07:00
stacktrace.c arm64: Mark start_backtrace() notrace and NOKPROBE_SYMBOL 2022-01-24 14:25:20 +00:00
suspend.c arm64: kasan: mte: use a constant kernel GCR_EL1 value 2021-08-02 18:14:21 +01:00
sys32.c
sys_compat.c arm64: Rename arm64-internal cache maintenance functions 2021-05-25 19:27:49 +01:00
sys.c
syscall.c arm64: Snapshot thread flags 2021-12-01 00:06:44 +01:00
time.c arm64: Make profile_pc() use arch_stack_walk() 2021-12-10 14:06:04 +00:00
topology.c topology: Represent clusters of CPUs within a die 2021-10-15 11:25:15 +02:00
trace-events-emulation.h
traps.c Merge branch 'signal-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2022-01-17 05:49:30 +02:00
vdso32-wrap.S arm64: do not descend to vdso directories twice 2021-01-20 12:18:46 +00:00
vdso-wrap.S arm64: do not descend to vdso directories twice 2021-01-20 12:18:46 +00:00
vdso.c Merge branches 'for-next/misc', 'for-next/kselftest', 'for-next/xntable', 'for-next/vdso', 'for-next/fiq', 'for-next/epan', 'for-next/kasan-vmalloc', 'for-next/fgt-boot-init', 'for-next/vhe-only' and 'for-next/neon-softirqs-disabled', remote-tracking branch 'arm64/for-next/perf' into for-next/core 2021-04-15 14:00:38 +01:00
vmlinux.lds.S arm64: entry: Allow the trampoline text to occupy multiple pages 2022-02-15 17:40:28 +00:00