diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-01 10:11:21 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-04-01 10:11:21 -0700 |
| commit | b9b16a792241e304834f43e2a5f02e6e43576f09 (patch) | |
| tree | f90a0e2266b73a2197a31d4b129a08f3f55e7b06 /arch/x86/kernel | |
| parent | 4b2ce8f15f8fdcd8a73dd31664b252e2b4ed174a (diff) | |
| parent | da4aaa7d860c63a1bfd3c73cf8309afe2840c5b9 (diff) | |
Merge branch 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpufeature update from Ingo Molnar:
"Two refinements to clflushopt support"
* 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, cpufeature: If we disable CLFLUSH, we should disable CLFLUSHOPT
x86, cpufeature: Rename X86_FEATURE_CLFLSH to X86_FEATURE_CLFLUSH
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 8e28bf2fc3ef..cca53d88762a 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1025,7 +1025,8 @@ __setup("show_msr=", setup_show_msr); static __init int setup_noclflush(char *arg) { - setup_clear_cpu_cap(X86_FEATURE_CLFLSH); + setup_clear_cpu_cap(X86_FEATURE_CLFLUSH); + setup_clear_cpu_cap(X86_FEATURE_CLFLUSHOPT); return 1; } __setup("noclflush", setup_noclflush); diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 60179ec39d4c..5aad5a370c85 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1387,7 +1387,7 @@ static inline void mwait_play_dead(void) if (!this_cpu_has(X86_FEATURE_MWAIT)) return; - if (!this_cpu_has(X86_FEATURE_CLFLSH)) + if (!this_cpu_has(X86_FEATURE_CLFLUSH)) return; if (__this_cpu_read(cpu_info.cpuid_level) < CPUID_MWAIT_LEAF) return; |