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 <[email protected]> Signed-off-by: Avi Kivity <[email protected]>
iegor · Aug 2, 2010 · b0eeec2 · b0eeec2
1 parent 5d55f29
commit b0eeec2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
@@ -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;