KVM: Fix bogus sign extension in mmu mapping audit
authorAvi Kivity <avi@qumranet.com>
Thu, 8 Mar 2007 09:48:09 +0000 (11:48 +0200)
committerAvi Kivity <avi@qumranet.com>
Thu, 3 May 2007 07:52:23 +0000 (10:52 +0300)
When auditing a 32-bit guest on a 64-bit host, sign extension of the page
table directory pointer table index caused bogus addresses to be shown on
audit errors.

Fix by declaring the index unsigned.

Signed-off-by: Avi Kivity <avi@qumranet.com>
drivers/kvm/mmu.c

index cab26f301eab5caed62b1a3dcf8c4c7896b23d8b..2d905770fd88a3bc23e75968a6084640ee310f2c 100644 (file)
@@ -1360,7 +1360,7 @@ static void audit_mappings_page(struct kvm_vcpu *vcpu, u64 page_pte,
 
 static void audit_mappings(struct kvm_vcpu *vcpu)
 {
-       int i;
+       unsigned i;
 
        if (vcpu->mmu.root_level == 4)
                audit_mappings_page(vcpu, vcpu->mmu.root_hpa, 0, 4);