diff options
| author |   Dave Airlie <airlied@redhat.com> | 2015-04-20 11:32:26 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-04-20 13:05:20 +1000 |
| commit | 2c33ce009ca2389dbf0535d0672214d09738e35e (patch) | |
| tree | 6186a6458c3c160385d794a23eaf07c786a9e61b /arch/x86/um/asm/barrier.h | |
| parent | media-bus: Fixup RGB444_1X12, RGB565_1X16, and YUV8_1X24 media bus format (diff) | |
| parent | Merge branch 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux (diff) | |
| download | linux-dev-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.xz linux-dev-2c33ce009ca2389dbf0535d0672214d09738e35e.zip | |
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.
I've included the patch into the merge to fix the build.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/x86/um/asm/barrier.h')
| -rw-r--r-- | arch/x86/um/asm/barrier.h | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/arch/x86/um/asm/barrier.h b/arch/x86/um/asm/barrier.h index 2d7d9a1f5b53..7e8a1a650435 100644 --- a/arch/x86/um/asm/barrier.h +++ b/arch/x86/um/asm/barrier.h @@ -36,22 +36,11 @@ #endif /* CONFIG_X86_PPRO_FENCE */ #define dma_wmb() barrier() -#ifdef CONFIG_SMP - -#define smp_mb() mb() -#define smp_rmb() dma_rmb() -#define smp_wmb() barrier() -#define set_mb(var, value) do { (void)xchg(&var, value); } while (0) - -#else /* CONFIG_SMP */ - #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() #define set_mb(var, value) do { var = value; barrier(); } while (0) -#endif /* CONFIG_SMP */ - #define read_barrier_depends() do { } while (0) #define smp_read_barrier_depends() do { } while (0) @@ -64,8 +53,8 @@ */ static inline void rdtsc_barrier(void) { - alternative(ASM_NOP3, "mfence", X86_FEATURE_MFENCE_RDTSC); - alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC); + alternative_2("", "mfence", X86_FEATURE_MFENCE_RDTSC, + "lfence", X86_FEATURE_LFENCE_RDTSC); } #endif |