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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-06-04 21:52:17 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-01 10:39:26 +0300 |
| commit | 03116aa57e75b1bbe8b5e04f3cd21cdb6588c4ba (patch) | |
| tree | 9b373610d23da5ff66d8cb7212213770e493bf73 /arch | |
| parent | 518c8aee5ca74fc03273fc6b4893cf456d65d545 (diff) | |
| download | op-kernel-dev-03116aa57e75b1bbe8b5e04f3cd21cdb6588c4ba.zip op-kernel-dev-03116aa57e75b1bbe8b5e04f3cd21cdb6588c4ba.tar.gz | |
KVM: MMU: skip invalid sp when unprotect page
In kvm_mmu_unprotect_page(), the invalid sp can be skipped
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index d3cd102..3ac5115 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1629,7 +1629,7 @@ static int kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn) bucket = &kvm->arch.mmu_page_hash[index]; restart: hlist_for_each_entry_safe(sp, node, n, bucket, hash_link) - if (sp->gfn == gfn && !sp->role.direct) { + if (sp->gfn == gfn && !sp->role.direct && !sp->role.invalid) { pgprintk("%s: gfn %lx role %x\n", __func__, gfn, sp->role.word); r = 1; |
