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yaml
---
r: 202293
b: refs/heads/master
c: e02aa90
h: refs/heads/master
i:
  202291: 77ee4ca
v: v3
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Xiao Guangrong authored and Avi Kivity committed Aug 1, 2010
1 parent 04683b9 commit 38226f9
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Showing 2 changed files with 15 additions and 5 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 1d9dc7e000915b9607b480e34fcb4238b789fbb1
refs/heads/master: e02aa901b1aa41fb541521800cc2a4774c162485
18 changes: 14 additions & 4 deletions trunk/arch/x86/kvm/mmu.c
Original file line number Diff line number Diff line change
Expand Up @@ -1337,7 +1337,7 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
unsigned index;
unsigned quadrant;
struct hlist_head *bucket;
struct kvm_mmu_page *sp;
struct kvm_mmu_page *sp, *unsync_sp = NULL;
struct hlist_node *node, *tmp;

role = vcpu->arch.mmu.base_role;
Expand All @@ -1356,20 +1356,30 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu,
hlist_for_each_entry_safe(sp, node, tmp, bucket, hash_link)
if (sp->gfn == gfn) {
if (sp->unsync)
if (kvm_sync_page(vcpu, sp))
continue;
unsync_sp = sp;

if (sp->role.word != role.word)
continue;

if (!direct && unsync_sp &&
kvm_sync_page_transient(vcpu, unsync_sp)) {
unsync_sp = NULL;
break;
}

mmu_page_add_parent_pte(vcpu, sp, parent_pte);
if (sp->unsync_children) {
set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests);
kvm_mmu_mark_parents_unsync(sp);
}
} else if (sp->unsync)
kvm_mmu_mark_parents_unsync(sp);

trace_kvm_mmu_get_page(sp, false);
return sp;
}
if (!direct && unsync_sp)
kvm_sync_page(vcpu, unsync_sp);

++vcpu->kvm->stat.mmu_cache_miss;
sp = kvm_mmu_alloc_page(vcpu, parent_pte);
if (!sp)
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