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| author |   Sean Christopherson <sean.j.christopherson@intel.com> | 2019-12-20 20:45:01 -0800 |
|---|---|---|
| committer |   Borislav Petkov <bp@suse.de> | 2020-01-13 17:50:40 +0100 |
| commit | 7d37953ba81121c8725f99356f7ee9762d4c3ed9 (patch) | |
| tree | f95b0fc84cd79249720aa34266757c74a0e10d11 /arch/x86/kernel/cpu/zhaoxin.c | |
| parent | x86/centaur: Use common IA32_FEAT_CTL MSR initialization (diff) | |
| download | linux-dev-7d37953ba81121c8725f99356f7ee9762d4c3ed9.tar.xz linux-dev-7d37953ba81121c8725f99356f7ee9762d4c3ed9.zip | |
x86/zhaoxin: Use common IA32_FEAT_CTL MSR initialization
Use the recently added IA32_FEAT_CTL MSR initialization sequence to
opportunistically enable VMX support when running on a Zhaoxin CPU.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20191221044513.21680-8-sean.j.christopherson@intel.com
Diffstat (limited to 'arch/x86/kernel/cpu/zhaoxin.c')
| -rw-r--r-- | arch/x86/kernel/cpu/zhaoxin.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/zhaoxin.c b/arch/x86/kernel/cpu/zhaoxin.c index 8e6f2f4b4afe..630a1450ea70 100644 --- a/arch/x86/kernel/cpu/zhaoxin.c +++ b/arch/x86/kernel/cpu/zhaoxin.c @@ -141,6 +141,8 @@ static void init_zhaoxin(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC); #endif + init_ia32_feat_ctl(c); + if (cpu_has(c, X86_FEATURE_VMX)) zhaoxin_detect_vmx_virtcap(c); } |