From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Avi Kivity <avi@redhat.com>, KVM list <kvm@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 7/10] KVM MMU: allow more page become unsync at gfn mapping time
Date: Wed, 05 May 2010 20:16:32 +0800 [thread overview]
Message-ID: <4BE161A0.4000007@cn.fujitsu.com> (raw)
In-Reply-To: <20100430193325.GA6023@amt.cnet>
Marcelo Tosatti wrote:
> On Wed, Apr 28, 2010 at 11:55:49AM +0800, Xiao Guangrong wrote:
>> In current code, shadow page can become asynchronous only if one
>> shadow page for a gfn, this rule is too strict, in fact, we can
>> let all last mapping page(i.e, it's the pte page) become unsync,
>> and sync them at invlpg or flush tlb time.
>>
>> This patch allow more page become asynchronous at gfn mapping time
>>
>> Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
>
> Xiao,
>
> This patch breaks Fedora 8 32 install. Reverted patches 5-10.
Hi Marcelo,
Sorry for the delay reply since i'm on holiday.
I have found the reason of this issue, two fix patches will be sent soon,
could you please try it?
Thanks,
Xiao
next prev parent reply other threads:[~2010-05-05 12:19 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4BD7AE34.5000408@cn.fujitsu.com>
2010-04-28 3:54 ` [PATCH v3 1/10] KVM MMU: fix for calculating gpa in invlpg code Xiao Guangrong
2010-04-28 3:54 ` [PATCH v3 2/10] KVM MMU: convert mmu tracepoints Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 3/10] KVM MMU: move unsync/sync tracpoints to proper place Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 4/10] KVM MMU: cleanup invlpg code Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 5/10] KVM MMU: split kvm_sync_page() function Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 6/10] KVM MMU: don't write-protect if have new mapping to unsync page Xiao Guangrong
2010-04-28 3:55 ` [PATCH v3 7/10] KVM MMU: allow more page become unsync at gfn mapping time Xiao Guangrong
2010-04-30 19:33 ` Marcelo Tosatti
2010-05-05 12:16 ` Xiao Guangrong [this message]
2010-04-28 3:55 ` [PATCH v3 8/10] KVM MMU: allow more page become unsync at getting sp time Xiao Guangrong
2010-04-28 3:56 ` [PATCH v3 9/10] KVM MMU: separate invlpg code form kvm_mmu_pte_write() Xiao Guangrong
2010-04-28 3:56 ` [PATCH v3 10/10] KVM MMU: optimize sync/update unsync-page Xiao Guangrong
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