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OpenCloudOS-Kernel
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Revert "KVM: SVM: Sync g_pat with guest-written PAT value" 

This reverts commit e098223b78,
which has a dependency on other commits being reverted.

Cc: stable@vger.kernel.org # 4.2+
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-10-01 13:28:15 +02:00
parent 606decd670
commit 625422f60c
1 changed files with 0 additions and 10 deletions
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arch/x86/kvm/svm.c
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@ -3354,16 +3354,6 @@ static int svm_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr)
case MSR_VM_IGNNE:
vcpu_unimpl(vcpu, "unimplemented wrmsr: 0x%x data 0x%llx\n", ecx, data);
break;
case MSR_IA32_CR_PAT:
if (npt_enabled) {
if (!kvm_mtrr_valid(vcpu, MSR_IA32_CR_PAT, data))
return 1;
vcpu->arch.pat = data;
svm_set_guest_pat(svm, &svm->vmcb->save.g_pat);
mark_dirty(svm->vmcb, VMCB_NPT);
break;
}
/* fall through */
default:
return kvm_set_msr_common(vcpu, msr);
}