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| author |   Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-11-01 17:00:30 +0800 |
|---|---|---|
| committer |   Avi Kivity <avi@redhat.com> | 2011-01-12 11:28:59 +0200 |
| commit | c7d28c24042f7969adc29147d6c0a190192a6808 (patch) | |
| tree | 7c4400eefa230cfd9934608343ccdda2c1fddc6f | |
| parent | KVM: cleanup async_pf tracepoints (diff) | |
| download | linux-dev-c7d28c24042f7969adc29147d6c0a190192a6808.tar.xz linux-dev-c7d28c24042f7969adc29147d6c0a190192a6808.zip | |
KVM: fix searching async gfn in kvm_async_pf_gfn_slot
Don't search later slots if the slot is empty
Acked-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
| -rw-r--r-- | arch/x86/kvm/x86.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index c10135bc0f2f..ab10a6ca1549 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6209,8 +6209,8 @@ static u32 kvm_async_pf_gfn_slot(struct kvm_vcpu *vcpu, gfn_t gfn) u32 key = kvm_async_pf_hash_fn(gfn); for (i = 0; i < roundup_pow_of_two(ASYNC_PF_PER_VCPU) && - (vcpu->arch.apf.gfns[key] != gfn || - vcpu->arch.apf.gfns[key] == ~0); i++) + (vcpu->arch.apf.gfns[key] != gfn && + vcpu->arch.apf.gfns[key] != ~0); i++) key = kvm_async_pf_next_probe(key); return key; |