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| author | Yeoreum Yun <yeoreum.yun@arm.com> | 2025-06-18 10:29:53 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2025-07-02 18:49:04 +0100 |
| commit | f620372209bfe5b1c468540320a0bc3549d6afc7 (patch) | |
| tree | 7981782b174c36e1319c76e98b432da181947b0b /Documentation/arch | |
| parent | 4d51ff5bba00a13ca9b0b24883fa7adb07a167fc (diff) | |
| download | linux-f620372209bfe5b1c468540320a0bc3549d6afc7.tar.gz linux-f620372209bfe5b1c468540320a0bc3549d6afc7.tar.bz2 linux-f620372209bfe5b1c468540320a0bc3549d6afc7.zip | |
arm64/hwcaps: Add MTE_STORE_ONLY hwcaps
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 hwcaps so that user can use this feature.
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Link: https://lore.kernel.org/r/20250618092957.2069907-5-yeoreum.yun@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'Documentation/arch')
| -rw-r--r-- | Documentation/arch/arm64/elf_hwcaps.rst | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/arch/arm64/elf_hwcaps.rst b/Documentation/arch/arm64/elf_hwcaps.rst index 358f5af035ff..f58ada4d6cb2 100644 --- a/Documentation/arch/arm64/elf_hwcaps.rst +++ b/Documentation/arch/arm64/elf_hwcaps.rst @@ -438,6 +438,9 @@ HWCAP2_POE HWCAP3_MTE_FAR Functionality implied by ID_AA64PFR2_EL1.MTEFAR == 0b0001. +HWCAP3_MTE_STORE_ONLY + Functionality implied by ID_AA64PFR2_EL1.MTESTOREONLY == 0b0001. + 4. Unused AT_HWCAP bits ----------------------- |