KVM: MMU: Only indicate a fetch fault in page fault error code if nx is enabled



Bit 4 of the page fault error code is set only if EFER.NX is set.

Reviewed-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

parent 5d55f299

arch/x86/kvm/paging_tmpl.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -245,7 +245,7 @@ static int FNAME(walk_addr)(struct guest_walker *walker,
		walker->error_code \|= PFERR_WRITE_MASK;
		if (user_fault)
		walker->error_code \|= PFERR_USER_MASK;
		if (fetch_fault)
		if (fetch_fault && is_nx(vcpu))
		walker->error_code \|= PFERR_FETCH_MASK;
		if (rsvd_fault)
		walker->error_code \|= PFERR_RSVD_MASK;