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| author |   Mark Brown <broonie@kernel.org> | 2022-02-16 17:32:23 +0000 |
|---|---|---|
| committer |   Will Deacon <will@kernel.org> | 2022-02-25 14:41:05 +0000 |
| commit | d082a0255fcb8fcb4bd8257df111f2caa67086bc (patch) | |
| tree | d258cb9a841b10c882bf18bb34bc02bc2f6c297c /arch/arm64/include/uapi/asm/hwcap.h | |
| parent | arm64/mte: Add a little bit of documentation for mte_update_sctlr_user() (diff) | |
| download | linux-dev-d082a0255fcb8fcb4bd8257df111f2caa67086bc.tar.xz linux-dev-d082a0255fcb8fcb4bd8257df111f2caa67086bc.zip | |
arm64/mte: Add hwcap for asymmetric mode
Allow userspace to detect support for asymmetric mode by providing a hwcap
for it, using the official feature name FEAT_MTE3.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Vincenzo Frascino <Vincenzo.Frascino@arm.com>
Tested-by: Branislav Rankov <branislav.rankov@arm.com>
Link: https://lore.kernel.org/r/20220216173224.2342152-4-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/include/uapi/asm/hwcap.h')
| -rw-r--r-- | arch/arm64/include/uapi/asm/hwcap.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/uapi/asm/hwcap.h b/arch/arm64/include/uapi/asm/hwcap.h index f03731847d9d..99cb5d383048 100644 --- a/arch/arm64/include/uapi/asm/hwcap.h +++ b/arch/arm64/include/uapi/asm/hwcap.h @@ -78,5 +78,6 @@ #define HWCAP2_ECV (1 << 19) #define HWCAP2_AFP (1 << 20) #define HWCAP2_RPRES (1 << 21) +#define HWCAP2_MTE3 (1 << 22) #endif /* _UAPI__ASM_HWCAP_H */ |