Messages in this thread Patch in this message | | | From | Ram Pai <> | Subject | [RFC v6 38/62] powerpc: implementation for arch_pkeys_enabled() | Date | Sat, 15 Jul 2017 20:56:40 -0700 |
| |
arch_pkeys_enabled() returns true if the cpu supports protection key, and the kernel has it enabled.
Signed-off-by: Ram Pai <linuxram@us.ibm.com> --- arch/powerpc/include/asm/pkeys.h | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/include/asm/pkeys.h b/arch/powerpc/include/asm/pkeys.h index 7a9aade..ea43cb2 100644 --- a/arch/powerpc/include/asm/pkeys.h +++ b/arch/powerpc/include/asm/pkeys.h @@ -201,6 +201,11 @@ static inline int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, return __arch_set_user_pkey_access(tsk, pkey, init_val); } +static inline bool arch_pkeys_enabled(void) +{ + return pkey_inited; +} + static inline void pkey_mm_init(struct mm_struct *mm) { if (!pkey_inited) -- 1.7.1
| |