]> git.ipfire.org Git - thirdparty/linux.git/commit
arm64/cpufeature: Add MTE_STORE_ONLY feature
authorYeoreum Yun <yeoreum.yun@arm.com>
Wed, 18 Jun 2025 09:29:50 +0000 (10:29 +0100)
committerCatalin Marinas <catalin.marinas@arm.com>
Wed, 2 Jul 2025 17:49:03 +0000 (18:49 +0100)
commit33e943a228535fe5eb64b746d2b7b6b187aaa77a
treec691537798f70a45a6fdc0684382e6c0bf1f0400
parentd09674f98cdbf5dc2288cd5e2d0e63b6e5f723b2
arm64/cpufeature: Add MTE_STORE_ONLY feature

Since ARMv8.9, FEAT_MTE_STORE_ONLY can be used to restrict raise of tag
check fault on store operation only.

add MTE_STORE_ONLY feature.

Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250618092957.2069907-2-yeoreum.yun@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
arch/arm64/kernel/cpufeature.c
arch/arm64/tools/cpucaps