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| 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/include/asm/barrier.h | |
| parent | cec32a47010647e8b0603726ebb75b990a4057a4 (diff) | |
| parent | 09d51602cf84a1264946711dd4ea0dddbac599a1 (diff) | |
| download | linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.gz linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.bz2 linux-stable-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/include/asm/barrier.h')
| -rw-r--r-- | arch/x86/include/asm/barrier.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h index 2ab1eb33106e..959e45b81fe2 100644 --- a/arch/x86/include/asm/barrier.h +++ b/arch/x86/include/asm/barrier.h @@ -95,13 +95,11 @@ do { \ * Stop RDTSC speculation. This is needed when you need to use RDTSC * (or get_cycles or vread that possibly accesses the TSC) in a defined * code region. - * - * (Could use an alternative three way for this if there was one.) */ static __always_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 /* _ASM_X86_BARRIER_H */ |