diff options
Diffstat (limited to 'arch/arm64/include/asm/virt.h')
-rw-r--r-- | arch/arm64/include/asm/virt.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h index 4eb601e7de50..5227db7640c8 100644 --- a/arch/arm64/include/asm/virt.h +++ b/arch/arm64/include/asm/virt.h @@ -110,8 +110,10 @@ static inline bool is_hyp_mode_mismatched(void) return __boot_cpu_mode[0] != __boot_cpu_mode[1]; } -static inline bool is_kernel_in_hyp_mode(void) +static __always_inline bool is_kernel_in_hyp_mode(void) { + BUILD_BUG_ON(__is_defined(__KVM_NVHE_HYPERVISOR__) || + __is_defined(__KVM_VHE_HYPERVISOR__)); return read_sysreg(CurrentEL) == CurrentEL_EL2; } @@ -140,6 +142,14 @@ static __always_inline bool is_protected_kvm_enabled(void) return cpus_have_final_cap(ARM64_KVM_PROTECTED_MODE); } +static __always_inline bool has_hvhe(void) +{ + if (is_vhe_hyp_code()) + return false; + + return cpus_have_final_cap(ARM64_KVM_HVHE); +} + static inline bool is_hyp_nvhe(void) { return is_hyp_mode_available() && !is_kernel_in_hyp_mode(); |