FAILED: patch "[PATCH] KVM: SVM: Don't strip the C-bit from CR2 on #PF interception" failed to apply to 5.4-stable tree
Subsystems (3)
[email protected]
maintainerThe patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 6d1b867d045699d6ce0dfa0ef35d1b87dd36db56 Mon Sep 17 00:00:00 2001
From: Sean Christopherson <[email protected]>
Date: Thu, 4 Mar 2021 17:10:56 -0800
Subject: [PATCH] KVM: SVM: Don't strip the C-bit from CR2 on #PF interception
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 Brijesh Singh <[email protected]>
Cc Tom Lendacky <[email protected]>
Signed-off-by Sean Christopherson <[email protected]>
Message-Id: <[email protected]>
Signed-off-by Paolo Bonzini <[email protected]>
arch/x86/kvm/svm/svm.c +1 -1
@@ -1898,7 +1898,7 @@ static void svm_set_dr7(struct kvm_vcpu *vcpu, unsigned long value)static int pf_interception (struct vcpu_svm *svm) { -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(&svm->vcpu, error_code, fault_address,