diff options
| -rw-r--r-- | arch/x86/kvm/svm.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 12 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.h | 2 |
4 files changed, 7 insertions, 11 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index b6ad0f9de80a..8954d7a07703 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1176,7 +1176,7 @@ static void init_vmcb(struct vcpu_svm *svm, bool init_event) clr_exception_intercept(svm, PF_VECTOR); clr_cr_intercept(svm, INTERCEPT_CR3_READ); clr_cr_intercept(svm, INTERCEPT_CR3_WRITE); - save->g_pat = 0x0007040600070406ULL; + save->g_pat = svm->vcpu.arch.pat; save->cr3 = 0; save->cr4 = 0; } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a694ff6bce80..3c218fd59f8c 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -4667,16 +4667,8 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx) vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, 0); vmcs_write64(VM_ENTRY_MSR_LOAD_ADDR, __pa(vmx->msr_autoload.guest)); - if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT) { - u32 msr_low, msr_high; - u64 host_pat; - rdmsr(MSR_IA32_CR_PAT, msr_low, msr_high); - host_pat = msr_low | ((u64) msr_high << 32); - /* Write the default value follow host pat */ - vmcs_write64(GUEST_IA32_PAT, host_pat); - /* Keep arch.pat sync with GUEST_IA32_PAT */ - vmx->vcpu.arch.pat = host_pat; - } + if (vmcs_config.vmentry_ctrl & VM_ENTRY_LOAD_IA32_PAT) + vmcs_write64(GUEST_IA32_PAT, vmx->vcpu.arch.pat); for (i = 0; i < ARRAY_SIZE(vmx_msr_index); ++i) { u32 index = vmx_msr_index[i]; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index c42134e98e31..cdccbe1749a5 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7408,6 +7408,8 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) vcpu->arch.maxphyaddr = cpuid_query_maxphyaddr(vcpu); + vcpu->arch.pat = MSR_IA32_CR_PAT_DEFAULT; + kvm_async_pf_hash_reset(vcpu); kvm_pmu_init(vcpu); diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index f5fef1868096..01a1d011e073 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -4,6 +4,8 @@ #include <linux/kvm_host.h> #include "kvm_cache_regs.h" +#define MSR_IA32_CR_PAT_DEFAULT 0x0007040600070406ULL + static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu) { vcpu->arch.exception.pending = false; |