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| author | Mark Brown <broonie@kernel.org> | 2024-10-01 23:58:57 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2024-10-04 12:04:37 +0100 |
| commit | eefc98711f84abd7ffb074af0cdbc5f8a8464272 (patch) | |
| tree | 5393bad8e64d8c040e6601306c4f53f15f42b787 /arch/arm64/include/uapi | |
| parent | arm64/idreg: Add overrride for GCS (diff) | |
| download | linux-eefc98711f84abd7ffb074af0cdbc5f8a8464272.tar.gz linux-eefc98711f84abd7ffb074af0cdbc5f8a8464272.zip | |
arm64/hwcap: Add hwcap for GCS
Provide a hwcap to enable userspace to detect support for GCS.
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Yury Khrustalev <yury.khrustalev@arm.com>
Link: https://lore.kernel.org/r/20241001-arm64-gcs-v13-18-222b78d87eee@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/uapi')
| -rw-r--r-- | arch/arm64/include/uapi/asm/hwcap.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h index 055381b2c615..675642ec4d91 100644 --- a/arch/arm64/include/uapi/asm/hwcap.h +++ b/arch/arm64/include/uapi/asm/hwcap.h @@ -21,7 +21,7 @@ * HWCAP flags - for AT_HWCAP * * Bits 62 and 63 are reserved for use by libc. - * Bits 32-61 are unallocated for potential use by libc. + * Bits 33-61 are unallocated for potential use by libc. */ #define HWCAP_FP (1 << 0) #define HWCAP_ASIMD (1 << 1) @@ -55,6 +55,7 @@ #define HWCAP_SB (1 << 29) #define HWCAP_PACA (1 << 30) #define HWCAP_PACG (1UL << 31) +#define HWCAP_GCS (1UL << 32) /* * HWCAP2 flags - for AT_HWCAP2 |