diff options
Diffstat (limited to 'arch/arm64/include/asm/mte.h')
| -rw-r--r-- | arch/arm64/include/asm/mte.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/mte.h b/arch/arm64/include/asm/mte.h index 9b557a457f24..8603c6636a7d 100644 --- a/arch/arm64/include/asm/mte.h +++ b/arch/arm64/include/asm/mte.h @@ -90,5 +90,20 @@ static inline void mte_assign_mem_tag_range(void *addr, size_t size) #endif /* CONFIG_ARM64_MTE */ +#ifdef CONFIG_KASAN_HW_TAGS +/* Whether the MTE asynchronous mode is enabled. */ +DECLARE_STATIC_KEY_FALSE(mte_async_mode); + +static inline bool system_uses_mte_async_mode(void) +{ + return static_branch_unlikely(&mte_async_mode); +} +#else +static inline bool system_uses_mte_async_mode(void) +{ + return false; +} +#endif /* CONFIG_KASAN_HW_TAGS */ + #endif /* __ASSEMBLY__ */ #endif /* __ASM_MTE_H */ |