diff options
| author | Takashi Iwai <tiwai@suse.de> | 2016-04-04 09:51:08 (GMT) |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-04-04 09:51:08 (GMT) |
| commit | a99e31512aa435e8391ba5f5e64abeac9c5f2f32 (patch) | |
| tree | 56bb9d9ccfe76520b672249757e25f686275b204 /arch/x86/include/asm/pmem.h | |
| parent | 86c8dd7f4da3fb3f92fc5ab5144c971639d39745 (diff) | |
| parent | f03b24a851d32ca85dacab01785b24a7ee717d37 (diff) | |
| download | linux-a99e31512aa435e8391ba5f5e64abeac9c5f2f32.tar.xz | |
Merge branch 'for-linus' into for-next
Conflicts:
sound/hda/hdac_i915.c
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'arch/x86/include/asm/pmem.h')
| -rw-r--r-- | arch/x86/include/asm/pmem.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pmem.h b/arch/x86/include/asm/pmem.h index bf8b35d..fbc5e92 100644 --- a/arch/x86/include/asm/pmem.h +++ b/arch/x86/include/asm/pmem.h @@ -47,6 +47,15 @@ static inline void arch_memcpy_to_pmem(void __pmem *dst, const void *src, BUG(); } +static inline int arch_memcpy_from_pmem(void *dst, const void __pmem *src, + size_t n) +{ + if (static_cpu_has(X86_FEATURE_MCE_RECOVERY)) + return memcpy_mcsafe(dst, (void __force *) src, n); + memcpy(dst, (void __force *) src, n); + return 0; +} + /** * arch_wmb_pmem - synchronize writes to persistent memory * |