redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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
hifive-unleashed-5.1
H. Peter Anvin 2014-02-27 08:36:31 -08:00
parent 840d2830e6
commit da4aaa7d86
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/x86/kernel/cpu/common.c
View File

@ -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);