diff options
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index a9b3a32bed08..973f25480afa 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1027,7 +1027,6 @@ static int rmap_write_protect(struct kvm *kvm, u64 gfn) spte = rmap_next(kvm, rmapp, NULL); while (spte) { - BUG_ON(!spte); BUG_ON(!(*spte & PT_PRESENT_MASK)); rmap_printk("rmap_write_protect: spte %p %llx\n", spte, *spte); if (is_writable_pte(*spte)) { @@ -1043,9 +1042,8 @@ static int rmap_write_protect(struct kvm *kvm, u64 gfn) rmapp = gfn_to_rmap(kvm, gfn, i); spte = rmap_next(kvm, rmapp, NULL); while (spte) { - BUG_ON(!spte); BUG_ON(!(*spte & PT_PRESENT_MASK)); - BUG_ON((*spte & (PT_PAGE_SIZE_MASK|PT_PRESENT_MASK)) != (PT_PAGE_SIZE_MASK|PT_PRESENT_MASK)); + BUG_ON(!is_large_pte(*spte)); pgprintk("rmap_write_protect(large): spte %p %llx %lld\n", spte, *spte, gfn); if (is_writable_pte(*spte)) { drop_spte(kvm, spte); |