[10/15] KVM: SVM: Don't strip the C-bit from CR2 on #PF interception
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Message ID 20210302184540.2829328-11-seanjc@google.com
State New, archived
Headers show
Series
  • KVM: x86/mmu: Lots of bug fixes
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Commit Message

Sean Christopherson March 2, 2021, 6:45 p.m. UTC 
Don't strip the C-bit from the faulting address on an intercepted #PF,
the address is a virtual address, not a physical address.

Fixes: 0ede79e13224 ("KVM: SVM: Clear C-bit from the page fault address")
Cc: stable@vger.kernel.org
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/x86/kvm/svm/svm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 4769cf8bf2fd..dfc8fe231e8b 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1907,7 +1907,7 @@  static int pf_interception(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	u64 fault_address = __sme_clr(svm->vmcb->control.exit_info_2);
+	u64 fault_address = svm->vmcb->control.exit_info_2;
 	u64 error_code = svm->vmcb->control.exit_info_1;
 
 	return kvm_handle_page_fault(vcpu, error_code, fault_address,