Commit c7d28c24 authored by Xiao Guangrong's avatar Xiao Guangrong Committed by Avi Kivity
Browse files

KVM: fix searching async gfn in kvm_async_pf_gfn_slot 



Don't search later slots if the slot is empty

Acked-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 0730388b

arch/x86/kvm/x86.c

+2 −2
Original line number Diff line number Diff line
@@ -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;