[RFC v6 38/62] powerpc: implementation for arch_pkeys_enabled()
From: Ram Pai <hidden>
Date: 2017-07-16 04:06:52
Also in:
linux-arch, linuxppc-dev, lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
arch_pkeys_enabled() returns true if the cpu supports protection key, and the kernel has it enabled. Signed-off-by: Ram Pai <redacted> --- 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
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