Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git…

…/avi/kvm * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: KVM: Fix off-by-one when writing to a nonpae guest pde
git-mirror · Apr 19, 2007 · 895e1fc · 895e1fc
2 parents ac57b3a + 6b8d0f9
commit 895e1fc
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
@@ -1171,6 +1171,7 @@ void kvm_mmu_pre_write(struct kvm_vcpu *vcpu, gpa_t gpa, int bytes)
 			 * and zap two pdes instead of one.
 			 */
 			if (level == PT32_ROOT_LEVEL) {
+				page_offset &= ~7; /* kill rounding error */
 				page_offset <<= 1;
 				npte = 2;
 			}