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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2008-12-22 18:49:30 -0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2008-12-31 16:55:49 +0200 |
| commit | 87917239204d67a316cb89751750f86c9ed3640b (patch) | |
| tree | f766f4ad19f08d16b87faa1de3c9ead2e6b3ea1e /arch/x86/kvm/mmu.c | |
| parent | 3f353858c98dbe0240dac558a89870f4600f81bb (diff) | |
| download | linux-87917239204d67a316cb89751750f86c9ed3640b.tar.bz2 | |
KVM: MMU: handle large host sptes on invlpg/resync
The invlpg and sync walkers lack knowledge of large host sptes,
descending to non-existant pagetable level.
Stop at directory level in such case.
Fixes SMP Windows XP with hugepages.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -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 d50ebac6a07f..83f11c7474a1 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1007,7 +1007,7 @@ static int __mmu_unsync_walk(struct kvm_mmu_page *sp, for_each_unsync_children(sp->unsync_child_bitmap, i) { u64 ent = sp->spt[i]; - if (is_shadow_present_pte(ent)) { + if (is_shadow_present_pte(ent) && !is_large_pte(ent)) { struct kvm_mmu_page *child; child = page_header(ent & PT64_BASE_ADDR_MASK); |