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KVM: MMU: Fix is_empty_shadow_page() check 

The check is only looking at one of two possible empty ptes.

Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity 2008-05-20 16:21:13 +03:00
parent ebb0e6264c
commit 3c9155106d
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kvm/mmu.c
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@ -658,7 +658,7 @@ static int is_empty_shadow_page(u64 *spt)
u64 *end;
for (pos = spt, end = pos + PAGE_SIZE / sizeof(u64); pos != end; pos++)
if (*pos != shadow_trap_nonpresent_pte) {
if (is_shadow_present_pte(*pos)) {
printk(KERN_ERR "%s: %p %llx\n", __func__,
pos, *pos);
return 0;