diff options
| -rw-r--r-- | arch/arm/include/asm/virt.h | 5 | ||||
| -rw-r--r-- | arch/arm64/include/asm/virt.h | 10 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/virt.h b/arch/arm/include/asm/virt.h index 5fdbfea6defb..d4ceaf5f299b 100644 --- a/arch/arm/include/asm/virt.h +++ b/arch/arm/include/asm/virt.h @@ -75,6 +75,11 @@ static inline bool is_hyp_mode_mismatched(void) return !!(__boot_cpu_mode & BOOT_CPU_MODE_MISMATCH); } +static inline bool is_kernel_in_hyp_mode(void) +{ + return false; +} + /* The section containing the hypervisor text */ extern char __hyp_text_start[]; extern char __hyp_text_end[]; diff --git a/arch/arm64/include/asm/virt.h b/arch/arm64/include/asm/virt.h index 7a5df5252dd7..9f22dd607958 100644 --- a/arch/arm64/include/asm/virt.h +++ b/arch/arm64/include/asm/virt.h @@ -23,6 +23,8 @@ #ifndef __ASSEMBLY__ +#include <asm/ptrace.h> + /* * __boot_cpu_mode records what mode CPUs were booted in. * A correctly-implemented bootloader must start all CPUs in the same mode: @@ -50,6 +52,14 @@ 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) +{ + u64 el; + + asm("mrs %0, CurrentEL" : "=r" (el)); + return el == CurrentEL_EL2; +} + /* The section containing the hypervisor text */ extern char __hyp_text_start[]; extern char __hyp_text_end[]; |