diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index 2084db097622..579f4c4144d2 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -1375,19 +1375,19 @@ static void setup_msrs(struct vcpu_vmx *vmx) save_nmsrs = 0; #ifdef CONFIG_X86_64 - if (is_long_mode(&vmx->vcpu)) { - index = __find_msr_index(vmx, MSR_SYSCALL_MASK); + /* + * The SYSCALL MSRs are only needed on long mode guests, and only + * when EFER.SCE is set. + */ + if (is_long_mode(&vmx->vcpu) && (vmx->vcpu.arch.efer & EFER_SCE)) { + index = __find_msr_index(vmx, MSR_STAR); if (index >= 0) move_msr_up(vmx, index, save_nmsrs++); index = __find_msr_index(vmx, MSR_LSTAR); if (index >= 0) move_msr_up(vmx, index, save_nmsrs++); - /* - * MSR_STAR is only needed on long mode guests, and only - * if efer.sce is enabled. - */ - index = __find_msr_index(vmx, MSR_STAR); - if ((index >= 0) && (vmx->vcpu.arch.efer & EFER_SCE)) + index = __find_msr_index(vmx, MSR_SYSCALL_MASK); + if (index >= 0) move_msr_up(vmx, index, save_nmsrs++); } #endif |