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Date: Mon, 24 Jul 2017 15:03:01 -0500 From: Brijesh Singh <brijesh.singh@....com> To: linux-kernel@...r.kernel.org, x86@...nel.org, kvm@...r.kernel.org Cc: Thomas Gleixner <tglx@...utronix.de>, Borislav Petkov <bp@...e.de>, Joerg Roedel <joro@...tes.org>, "Michael S . Tsirkin" <mst@...hat.com>, Paolo Bonzini <pbonzini@...hat.com>, \"Radim Krčmář\" <rkrcmar@...hat.com>, Tom Lendacky <thomas.lendacky@....com>, Brijesh Singh <brijesh.singh@....com> Subject: [RFC Part2 PATCH v3 24/26] KVM: SVM: Clear C-bit from the page fault address When SEV is active, on #NPF the page fault address will contain C-bit. We must clear the C-bit before handling the fault. Signed-off-by: Brijesh Singh <brijesh.singh@....com> --- arch/x86/kvm/svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 0bbd050..64b9f60 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -2321,7 +2321,7 @@ static void svm_set_dr7(struct kvm_vcpu *vcpu, unsigned long value) static int pf_interception(struct vcpu_svm *svm) { - u64 fault_address = svm->vmcb->control.exit_info_2; + u64 fault_address = __sme_clr(svm->vmcb->control.exit_info_2); u64 error_code = svm->vmcb->control.exit_info_1; return kvm_handle_page_fault(&svm->vcpu, error_code, fault_address, -- 2.9.4
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