From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: Gleb Natapov <gleb@redhat.com>, avi@redhat.com
Cc: mtosatti@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] KVM: Enable async page fault processing.
Date: Tue, 22 Feb 2011 16:38:57 +0800 [thread overview]
Message-ID: <4D637621.1000109@cn.fujitsu.com> (raw)
In-Reply-To: <1296559307-14637-3-git-send-email-gleb@redhat.com>
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@redhat.com>
> ---
Acked-by: Lai Jiangshan <laijs@cn.fujitsu.com>
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next prev parent reply other threads:[~2011-02-22 8:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-01 11:21 [PATCH 0/2] KVM: enable asynchronous page faults Gleb Natapov
2011-02-01 11:21 ` [PATCH 1/2] Allow GUP to fail instead of waiting on a page Gleb Natapov
2011-02-01 16:48 ` Rik van Riel
2011-02-02 0:42 ` Andrew Morton
2011-02-02 13:31 ` Gleb Natapov
2011-02-02 19:37 ` Andrew Morton
2011-02-01 11:21 ` [PATCH 2/2] KVM: Enable async page fault processing Gleb Natapov
2011-02-22 8:38 ` Lai Jiangshan [this message]
2011-03-24 12:22 ` Gleb Natapov
2011-03-24 13:23 ` Avi Kivity
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