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Re: [Qemu-devel] [PATCH v5] QEMUBH: make AioContext's bh re-entrant
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v5] QEMUBH: make AioContext's bh re-entrant |
Date: |
Fri, 05 Jul 2013 16:12:11 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6 |
Il 05/07/2013 15:46, Stefan Hajnoczi ha scritto:
> On Wed, Jun 26, 2013 at 05:46:11PM +0800, liu ping fan wrote:
>> On Tue, Jun 25, 2013 at 5:40 PM, Kevin Wolf <address@hidden> wrote:
>>> Am 25.06.2013 um 19:26 hat Liu Ping Fan geschrieben:
>>>> BH will be used outside big lock, so introduce lock to protect
>>>> between the writers, ie, bh's adders and deleter. The lock only
>>>> affects the writers and bh's callback does not take this extra lock.
>>>> Note that for the same AioContext, aio_bh_poll() can not run in
>>>> parallel yet.
>>>>
>>>> Signed-off-by: Liu Ping Fan <address@hidden>
>>>>
>>>> ---------
>>>
>>> Please use exactly three dashes so that 'git am' recognises it as the
>>> end of the commit message.
>>>
>> Sorry, I will notice at the next time. Should I re-post it?
>
> Hi Ping Fan,
> I'm revisiting this patch but already sent the block pull request for
> this week. Therefore I suggest you repost - that will make it easier
> for Kevin to find the patch on the list next week when he's merging
> patches.
In the meanwhile, I've sent a pull request for the atomics header that
this patch depends on.
Paolo