diff options
| 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/kernel/cpuinfo.c | |
| parent | cb627397e02bc65e44912daebfe0bbe6b0ecd384 (diff) | |
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/kernel/cpuinfo.c')
| -rw-r--r-- | arch/arm64/kernel/cpuinfo.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 591c18a889a5..330b92ea863a 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -97,6 +97,7 @@ static const char *const hwcap_str[] = { [KERNEL_HWCAP_ECV] = "ecv", [KERNEL_HWCAP_AFP] = "afp", [KERNEL_HWCAP_RPRES] = "rpres", + [KERNEL_HWCAP_MTE3] = "mte3", }; #ifdef CONFIG_COMPAT |