KVM: MMU: Fix is_rmap_pte() with io ptes

is_rmap_pte() doesn't take into account io ptes, which have the avail bit set. Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-03-23 12:18:19 +02:00 · 2008-03-23 12:18:19 +02:00 · 4b1a80fa65
parent 5dc8326282
commit 4b1a80fa65
1 changed files with 1 additions and 2 deletions
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@ -222,8 +222,7 @@ static int is_io_pte(unsigned long pte)

 static int is_rmap_pte(u64 pte)
 {
-	return pte != shadow_trap_nonpresent_pte
-		&& pte != shadow_notrap_nonpresent_pte;
+	return is_shadow_present_pte(pte);
 }

 static gfn_t pse36_gfn_delta(u32 gpte)