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From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: "kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Avi Kivity <avi@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Gleb Natapov <gleb@redhat.com>
Subject: [PATCH] kvm,async_pf: add missing kvm_async_pf_hash_reset()
Date: Mon, 21 Feb 2011 11:21:30 +0800	[thread overview]
Message-ID: <4D61DA3A.7040501@cn.fujitsu.com> (raw)


The hash array of async gfns may still contain some left gfns after
kvm_clear_async_pf_completion_queue() called, need to clear them.

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 17af71d..dae2d15 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -525,8 +525,10 @@ int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 
 	kvm_x86_ops->set_cr0(vcpu, cr0);
 
-	if ((cr0 ^ old_cr0) & X86_CR0_PG)
+	if ((cr0 ^ old_cr0) & X86_CR0_PG) {
 		kvm_clear_async_pf_completion_queue(vcpu);
+		kvm_async_pf_hash_reset(vcpu);
+	}
 
 	if ((cr0 ^ old_cr0) & update_bits)
 		kvm_mmu_reset_context(vcpu);

             reply	other threads:[~2011-02-21  3:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-21  3:21 Lai Jiangshan [this message]
2011-02-21  3:24 ` [PATCH] kvm,async_pf: add missing kvm_async_pf_hash_reset() Lai Jiangshan
2011-02-23 13:22   ` Gleb Natapov
2011-02-27 16:21 ` Avi Kivity

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