From: Avi Kivity <avi@redhat.com>
To: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>,
KVM list <kvm@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 6/10] KVM MMU: don't write-protect if have new mapping to unsync page
Date: Fri, 23 Apr 2010 14:35:42 +0300 [thread overview]
Message-ID: <4BD1860E.7000103@redhat.com> (raw)
In-Reply-To: <4BCFE8F0.7010509@cn.fujitsu.com>
On 04/22/2010 09:13 AM, Xiao Guangrong wrote:
> If have new mapping to the unsync page(i.e, add a new parent), just
> update the page from sp->gfn but not write-protect gfn, and if need
> create new shadow page form sp->gfn, we should sync it
>
Sorry, I don't understand this patch. Can you clarify? for example,
the situation before adding the new parent, what the guest action was,
and the new situation.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2010-04-23 11:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4BCFE581.8050305@cn.fujitsu.com>
2010-04-22 6:12 ` [PATCH 5/10] KVM MMU: cleanup invlpg code Xiao Guangrong
2010-04-22 6:13 ` [PATCH 6/10] KVM MMU: don't write-protect if have new mapping to unsync page Xiao Guangrong
2010-04-22 19:29 ` Marcelo Tosatti
2010-04-23 3:35 ` Xiao Guangrong
2010-04-23 11:35 ` Avi Kivity [this message]
2010-04-22 6:13 ` [PATCH 7/10] KVM MMU: allow more page become unsync at gfn mapping time Xiao Guangrong
2010-04-22 6:13 ` [PATCH 8/10] KVM MMU: allow more page become unsync at getting sp time Xiao Guangrong
2010-04-23 12:08 ` Avi Kivity
2010-04-22 6:13 ` [PATCH 9/10] KVM MMU: separate invlpg code form kvm_mmu_pte_write() Xiao Guangrong
2010-04-22 6:14 ` [PATCH 10/10] KVM MMU: optimize sync/update unsync-page Xiao Guangrong
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