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KVM: VMX: export PFEC.P bit on ept
Export the present bit of page fault error code, the later patch will use it Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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1 changed files with 8 additions and 1 deletions
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@ -4838,6 +4838,7 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu)
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{
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unsigned long exit_qualification;
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gpa_t gpa;
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u32 error_code;
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int gla_validity;
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exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
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@ -4862,7 +4863,13 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu)
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gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);
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trace_kvm_page_fault(gpa, exit_qualification);
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return kvm_mmu_page_fault(vcpu, gpa, exit_qualification & 0x3, NULL, 0);
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/* It is a write fault? */
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error_code = exit_qualification & (1U << 1);
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/* ept page table is present? */
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error_code |= (exit_qualification >> 3) & 0x1;
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return kvm_mmu_page_fault(vcpu, gpa, error_code, NULL, 0);
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}
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static u64 ept_rsvd_mask(u64 spte, int level)
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