From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Gleb Natapov <gleb@redhat.com>
Cc: Avi Kivity <avi@redhat.com>,
Marcelo Tosatti <mtosatti@redhat.com>,
LKML <linux-kernel@vger.kernel.org>, KVM <kvm@vger.kernel.org>
Subject: Re: [PATCH v3 2/3] KVM: MMU: fix accessed bit set on prefault path
Date: Wed, 01 Dec 2010 10:20:38 +0800 [thread overview]
Message-ID: <4CF5B0F6.8030900@cn.fujitsu.com> (raw)
In-Reply-To: <20101130192059.GC2924@redhat.com>
On 12/01/2010 03:20 AM, Gleb Natapov wrote:
> Firs of all if guest is PV the guest process cannot be killed. Second
> why is it a problem that we marked pfn as accessed on speculative path?
> What problem it causes especially since it is very likely that the page
> will be accessed shortly anyway?
>
Hi Avi, Marcelo,
What is your opinion on this point?
next prev parent reply other threads:[~2010-12-01 2:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-30 9:34 [PATCH v3 1/3] KVM: MMU: rename 'no_apf' to 'prefault' Xiao Guangrong
2010-11-30 9:36 ` [PATCH v3 2/3] KVM: MMU: fix accessed bit set on prefault path Xiao Guangrong
2010-11-30 13:29 ` Gleb Natapov
2010-11-30 16:52 ` Xiao Guangrong
2010-11-30 17:50 ` Gleb Natapov
2010-11-30 18:15 ` Xiao Guangrong
2010-11-30 18:38 ` Gleb Natapov
2010-11-30 19:11 ` Xiao Guangrong
2010-11-30 19:20 ` Gleb Natapov
2010-12-01 2:20 ` Xiao Guangrong [this message]
2010-12-01 20:42 ` Marcelo Tosatti
2010-11-30 9:37 ` [PATCH v3 3/3] KVM: MMU: retry #PF for softmmu Xiao Guangrong
2010-12-02 1:19 ` Marcelo Tosatti
2010-12-02 3:44 ` Xiao Guangrong
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