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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-27 14:44:53 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-27 14:44:53 +0100 |
| commit | cc11f372e9371ec3a3dad02396dbe0a55eec0b8f (patch) | |
| tree | fd22bdac975ee61053e787ad96c912fddc485370 /arch/x86/kvm/paging_tmpl.h | |
| parent | Staging: rtl8812ae: disable due to build errors (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml (diff) | |
| download | linux-cc11f372e9371ec3a3dad02396dbe0a55eec0b8f.tar.xz linux-cc11f372e9371ec3a3dad02396dbe0a55eec0b8f.zip | |
Merge branch 'master' into staging-next
We need the network changes in staging-next in order to be able to fix
up the rtl8821ae driver to build properly.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kvm/paging_tmpl.h')
| -rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index ad75d77999d0..cba218a2f08d 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -569,6 +569,9 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr, if (FNAME(gpte_changed)(vcpu, gw, top_level)) goto out_gpte_changed; + if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) + goto out_gpte_changed; + for (shadow_walk_init(&it, vcpu, addr); shadow_walk_okay(&it) && it.level > gw->level; shadow_walk_next(&it)) { @@ -820,6 +823,11 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva) */ mmu_topup_memory_caches(vcpu); + if (!VALID_PAGE(vcpu->arch.mmu.root_hpa)) { + WARN_ON(1); + return; + } + spin_lock(&vcpu->kvm->mmu_lock); for_each_shadow_entry(vcpu, gva, iterator) { level = iterator.level; |