diff options
Diffstat (limited to 'arch/arm64/include/asm/cpufeature.h')
-rw-r--r-- | arch/arm64/include/asm/cpufeature.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 0ef718b67c54..a081531f9ff4 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -241,6 +241,12 @@ static inline bool system_supports_fpsimd(void) return !cpus_have_const_cap(ARM64_HAS_NO_FPSIMD); } +static inline bool system_uses_ttbr0_pan(void) +{ + return IS_ENABLED(CONFIG_ARM64_SW_TTBR0_PAN) && + !cpus_have_cap(ARM64_HAS_PAN); +} + #endif /* __ASSEMBLY__ */ #endif |