From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
Gleb Natapov <gleb@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: [PATCH v2 3/7] KVM: fix searching async gfn in kvm_async_pf_gfn_slot
Date: Mon, 01 Nov 2010 17:00:30 +0800 [thread overview]
Message-ID: <4CCE81AE.2010600@cn.fujitsu.com> (raw)
In-Reply-To: <4CCE8143.3090105@cn.fujitsu.com>
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>
---
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 2cfdf2d..9b543f4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6206,8 +6206,8 @@ 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
next prev parent reply other threads:[~2010-11-01 8:56 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-01 8:58 [PATCH v2 1/7] KVM: fix tracing kvm_try_async_get_page Xiao Guangrong
2010-11-01 8:59 ` [PATCH v2 2/7] KVM: cleanup aysnc_pf tracepoints Xiao Guangrong
2010-11-01 9:00 ` Xiao Guangrong [this message]
2010-11-01 9:01 ` [PATCH v2 4/7] KVM: avoid unnecessary wait for a async pf Xiao Guangrong
2010-11-01 9:25 ` Gleb Natapov
2010-11-01 9:02 ` [PATCH v2 5/7] KVM: handle more completed apfs if possible Xiao Guangrong
2010-11-01 9:24 ` Gleb Natapov
2010-11-01 9:34 ` Xiao Guangrong
2010-11-02 9:35 ` [PATCH v3 " Xiao Guangrong
2010-11-02 12:38 ` Gleb Natapov
2010-11-01 9:03 ` [RFC PATCH v2 6/7] KVM: fix the race while wakeup all pv guest Xiao Guangrong
2010-11-01 12:58 ` Gleb Natapov
2010-11-01 9:05 ` [RFC PATCH v2 7/7] KVM: KVM: don't break vcpu 'halt' state due to apfs Xiao Guangrong
2010-11-01 12:55 ` Gleb Natapov
2010-11-02 2:30 ` Xiao Guangrong
2010-11-02 6:56 ` Gleb Natapov
2010-11-02 7:31 ` Xiao Guangrong
2010-11-02 7:45 ` Gleb Natapov
2010-11-02 9:09 ` Xiao Guangrong
2010-11-02 9:14 ` Gleb Natapov
2010-11-02 9:30 ` Xiao Guangrong
2010-11-02 12:39 ` Gleb Natapov
2010-11-03 9:47 ` Xiao Guangrong
2010-11-03 9:45 ` Gleb Natapov
2010-11-03 13:43 ` Marcelo Tosatti
2010-11-01 13:09 ` [PATCH v2 1/7] KVM: fix tracing kvm_try_async_get_page Gleb Natapov
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