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| author | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-27 08:36:31 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-02-27 08:36:31 -0800 |
| commit | da4aaa7d860c63a1bfd3c73cf8309afe2840c5b9 (patch) | |
| tree | 3cb150fa6c6f1f9560ab88435a0ab3e4ddfd548d /arch | |
| parent | 840d2830e6e56b8fdacc7ff12915dd91bf91566b (diff) | |
| download | linux-da4aaa7d860c63a1bfd3c73cf8309afe2840c5b9.tar.bz2 | |
x86, cpufeature: If we disable CLFLUSH, we should disable CLFLUSHOPT
If we explicitly disable the use of CLFLUSH, we should disable the use
of CLFLUSHOPT as well.
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/n/tip-jtdv7btppr4jgzxm3sxx1e74@git.kernel.org
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 2c6ac6f2b5b1..cca53d88762a 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1026,6 +1026,7 @@ __setup("show_msr=", setup_show_msr); static __init int setup_noclflush(char *arg) { setup_clear_cpu_cap(X86_FEATURE_CLFLUSH); + setup_clear_cpu_cap(X86_FEATURE_CLFLUSHOPT); return 1; } __setup("noclflush", setup_noclflush); |