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| author | Otavio Salvador <otavio@ossystems.com.br> | 2018-06-08 10:09:28 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-06-08 10:09:28 -0300 |
| commit | 5b5a04065fb5487303869fd6080c30f86530005d (patch) | |
| tree | d1442504baf73be22d9e6bc1864206df5ccedfeb /arch/x86/kvm/vmx.c | |
| parent | 0e674a64b86e2bb00ab43f56104d3ea85dda0066 (diff) | |
| parent | 8d99753ad93af6bcaf798232eeb15e60bdd7e94b (diff) | |
Merge pull request #25 from MaxKrummenacher/4.9-1.0.x-imx-stable-merge
4.9 1.0.x imx stable merge
Diffstat (limited to 'arch/x86/kvm/vmx.c')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index c51aaac953b4..0f3bb4632310 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -49,6 +49,7 @@ #include <asm/kexec.h> #include <asm/apic.h> #include <asm/irq_remapping.h> +#include <asm/microcode.h> #include <asm/nospec-branch.h> #include "trace.h" @@ -8906,7 +8907,7 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) * being speculatively taken. */ if (vmx->spec_ctrl) - wrmsrl(MSR_IA32_SPEC_CTRL, vmx->spec_ctrl); + native_wrmsrl(MSR_IA32_SPEC_CTRL, vmx->spec_ctrl); vmx->__launched = vmx->loaded_vmcs->launched; asm( @@ -9041,11 +9042,11 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) * If the L02 MSR bitmap does not intercept the MSR, then we need to * save it. */ - if (!msr_write_intercepted(vcpu, MSR_IA32_SPEC_CTRL)) - rdmsrl(MSR_IA32_SPEC_CTRL, vmx->spec_ctrl); + if (unlikely(!msr_write_intercepted(vcpu, MSR_IA32_SPEC_CTRL))) + vmx->spec_ctrl = native_read_msr(MSR_IA32_SPEC_CTRL); if (vmx->spec_ctrl) - wrmsrl(MSR_IA32_SPEC_CTRL, 0); + native_wrmsrl(MSR_IA32_SPEC_CTRL, 0); /* Eliminate branch target predictions from guest mode */ vmexit_fill_RSB(); |