Commit 4f5982a5 authored by Xiao Guangrong's avatar Xiao Guangrong Committed by Avi Kivity
Browse files

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: default avatarXiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent 8e22f955

arch/x86/kvm/vmx.c

+8 −1
Original line number Diff line number Diff line
@@ -4838,6 +4838,7 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu) 
{

	unsigned long exit_qualification;

	gpa_t gpa;

	u32 error_code;

	int gla_validity;



	exit_qualification = vmcs_readl(EXIT_QUALIFICATION);
@@ -4862,7 +4863,13 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu) 


	gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);

	trace_kvm_page_fault(gpa, exit_qualification);

	return kvm_mmu_page_fault(vcpu, gpa, exit_qualification & 0x3, NULL, 0);



	/* It is a write fault? */

	error_code = exit_qualification & (1U << 1);

	/* ept page table is present? */

	error_code |= (exit_qualification >> 3) & 0x1;



	return kvm_mmu_page_fault(vcpu, gpa, error_code, NULL, 0);

}



static u64 ept_rsvd_mask(u64 spte, int level)