diff options
| author | Yeoreum Yun <yeoreum.yun@arm.com> | 2025-06-18 10:29:52 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2025-07-02 18:49:04 +0100 |
| commit | 4d51ff5bba00a13ca9b0b24883fa7adb07a167fc (patch) | |
| tree | ebf0c454f1a2124b318b70c82965cdb5b4fef521 /arch/arm64/include/asm/processor.h | |
| parent | b1fabef37bd504f378a203fd8b9227b8fa65b193 (diff) | |
arm64/kernel: Support store-only mte tag check
Introduce new flag -- MTE_CTRL_STORE_ONLY used to set store-only tag check.
This flag isn't overridden by prefered tcf flag setting but set together
with prefered setting of way to report tag check fault.
Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250618092957.2069907-4-yeoreum.yun@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/processor.h')
| -rw-r--r-- | arch/arm64/include/asm/processor.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 1bf1a3b16e88..61d62bfd5a7b 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -23,6 +23,8 @@ #define MTE_CTRL_TCF_ASYNC (1UL << 17) #define MTE_CTRL_TCF_ASYMM (1UL << 18) +#define MTE_CTRL_STORE_ONLY (1UL << 19) + #ifndef __ASSEMBLY__ #include <linux/build_bug.h> |