linux-kernel - Re: [PATCH 2/2] KVM: Enable async page fault processing.

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Message-ID: <4D637621.1000109@cn.fujitsu.com>
Date:	Tue, 22 Feb 2011 16:38:57 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Gleb Natapov <gleb@...hat.com>, avi@...hat.com
CC:	mtosatti@...hat.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] KVM: Enable async page fault processing.

On 01/-9/-28163 03:59 AM, Gleb Natapov wrote:
> If asynchronous hva_to_pfn() is requested call GUP with FOLL_NOWAIT to
> avoid sleeping on IO. Check for hwpoison is done at the same time,
> otherwise check_user_page_hwpoison() will call GUP again and will put
> vcpu to sleep.
> 
> Signed-off-by: Gleb Natapov <gleb@...hat.com>
> ---

Acked-by: Lai Jiangshan <laijs@...fujitsu.com>
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