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Subject[PATCH 3/8] KVM: fix searching async gfn in kvm_async_pf_gfn_slot
The 'gfn' is not recorded if the next slot is empty

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
---
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 7876ec8..16f42ff 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6207,8 +6207,8 @@ 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;
--
1.7.0.4


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