From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Avi Kivity <avi@redhat.com>, LKML <linux-kernel@vger.kernel.org>,
KVM list <kvm@vger.kernel.org>,
Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [PATCH 3/4] KVM: MMU: track dirty page in speculative path properly
Date: Wed, 14 Jul 2010 13:53:27 +0800 [thread overview]
Message-ID: <4C3D50D7.9010207@cn.fujitsu.com> (raw)
In-Reply-To: <4C3C35B7.50101@cn.fujitsu.com>
Xiao Guangrong wrote:
>
> spte = rmap_next(kvm, rmapp, NULL);
> @@ -1879,9 +1877,9 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
> * whether the guest actually used the pte (in order to detect
> * demand paging).
> */
> - spte = shadow_base_present_pte | shadow_dirty_mask;
> + spte = shadow_base_present_pte;
> if (!speculative)
> - spte |= shadow_accessed_mask;
> + spte |= shadow_accessed_mask | shadow_dirty_mask;
It breaks read-only shadow page, i'll update it... please ignore this version...
next prev parent reply other threads:[~2010-07-14 5:57 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-13 9:42 [PATCH 1/4] KVM: MMU: fix forgot reserved bits check in speculative path Xiao Guangrong
2010-07-13 9:43 ` [PATCH 2/4] KVM: MMU: cleanup spte update path Xiao Guangrong
2010-07-13 9:45 ` [PATCH 3/4] KVM: MMU: track dirty page in speculative path properly Xiao Guangrong
2010-07-13 22:05 ` Marcelo Tosatti
2010-07-14 1:24 ` Xiao Guangrong
2010-07-14 11:09 ` Marcelo Tosatti
2010-07-14 13:18 ` Xiao Guangrong
2010-07-14 14:06 ` Marcelo Tosatti
2010-07-14 14:25 ` Avi Kivity
2010-07-15 7:44 ` Xiao Guangrong
2010-07-15 16:40 ` Marcelo Tosatti
2010-07-16 1:58 ` Xiao Guangrong
2010-07-14 5:53 ` Xiao Guangrong [this message]
2010-07-13 9:46 ` [PATCH 4/4] KVM: MMU: remove valueless output message Xiao Guangrong
2010-07-13 21:28 ` [PATCH 1/4] KVM: MMU: fix forgot reserved bits check in speculative path Marcelo Tosatti
2010-07-14 1:08 ` Xiao Guangrong
2010-07-14 13:06 ` Avi Kivity
2010-07-14 13:24 ` Xiao Guangrong
2010-07-14 14:27 ` Avi Kivity
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