From: "Andreas Färber" <afaerber@suse.de>
To: Liu Ping Fan <qemulist@gmail.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>,
qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v5] QEMUBH: make AioContext's bh re-entrant
Date: Sun, 07 Jul 2013 14:31:53 +0200 [thread overview]
Message-ID: <51D95FB9.5050605@suse.de> (raw)
In-Reply-To: <1373191217-3204-1-git-send-email-pingfank@linux.vnet.ibm.com>
Am 07.07.2013 12:00, schrieb Liu Ping Fan:
> From: Liu Ping Fan <qemulist@gmail.com>
>
> 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 <pingfank@linux.vnet.ibm.com>
> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
> Repost it, and thanks Paolo for having sent pull request for the
> atomics header that this patch depends on.
Unlike the previous v5, From and Signed-off-by differ - intentional?
Could probably be fixed up by Kevin if not.
Regards,
Andreas
--
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
next prev parent reply other threads:[~2013-07-07 12:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-07 10:00 [Qemu-devel] [PATCH v5] QEMUBH: make AioContext's bh re-entrant Liu Ping Fan
2013-07-07 12:31 ` Andreas Färber [this message]
2013-07-08 1:58 ` liu ping fan
2013-07-15 9:28 ` Stefan Hajnoczi
-- strict thread matches above, loose matches on Subject: below --
2013-06-25 17:26 Liu Ping Fan
2013-06-25 8:45 ` Stefan Hajnoczi
2013-06-25 9:40 ` Kevin Wolf
2013-06-25 10:09 ` Paolo Bonzini
2013-06-26 9:46 ` liu ping fan
2013-07-05 13:46 ` Stefan Hajnoczi
2013-07-05 14:12 ` Paolo Bonzini
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