lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86, cpu: Re-run get_cpu_cap() after adjusting the CPUID level

Browse Source 
At least on Intel, adjusting the max CPUID level can expose new CPUID
features, so we need to re-run get_cpu_cap() after changing the CPUID
level.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
H. Peter Anvin
2010-09-20 18:01:46 -07:00
parent aeb9c7d618
commit c2b9ff24a0
3 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/x86/kernel/cpu/common.c
View File

@ -545,7 +545,7 @@ void __cpuinit cpu_detect(struct cpuinfo_x86 *c)
}
}
static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
{
u32 tfms, xlvl;
u32 ebx;