diff options
| author | Sami Tolvanen <samitolvanen@google.com> | 2020-04-27 09:00:12 -0700 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-05-15 16:35:50 +0100 |
| commit | 6d37d81f449a103a8b43c5c972b5055b8936ef0e (patch) | |
| tree | 86b92094d4b520b008f4545bf7f1e97bddaa1d68 /arch/arm64/include/asm/suspend.h | |
| parent | da64e9d1f8c3dad6898dac6edb39a68d3aa9ce93 (diff) | |
arm64: Preserve register x18 when CPU is suspended
Don't lose the current task's shadow stack when the CPU is suspended.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/include/asm/suspend.h')
| -rw-r--r-- | arch/arm64/include/asm/suspend.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/suspend.h b/arch/arm64/include/asm/suspend.h index 8939c87c4dce..0cde2f473971 100644 --- a/arch/arm64/include/asm/suspend.h +++ b/arch/arm64/include/asm/suspend.h @@ -2,7 +2,7 @@ #ifndef __ASM_SUSPEND_H #define __ASM_SUSPEND_H -#define NR_CTX_REGS 12 +#define NR_CTX_REGS 13 #define NR_CALLEE_SAVED_REGS 12 /* |