From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1O6p3j-0002cx-Q4
	for qemu-devel@nongnu.org; Tue, 27 Apr 2010 13:58:59 -0400
Received: from [140.186.70.92] (port=56575 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1O6p3i-0002bp-C9
	for qemu-devel@nongnu.org; Tue, 27 Apr 2010 13:58:59 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69)
	(envelope-from <mtosatti@redhat.com>) id 1O6p3h-0000Op-1j
	for qemu-devel@nongnu.org; Tue, 27 Apr 2010 13:58:58 -0400
Received: from mx1.redhat.com ([209.132.183.28]:63460)
	by eggs.gnu.org with esmtp (Exim 4.69)
	(envelope-from <mtosatti@redhat.com>) id 1O6p3g-0000Oe-R3
	for qemu-devel@nongnu.org; Tue, 27 Apr 2010 13:58:57 -0400
Date: Tue, 27 Apr 2010 14:58:35 -0300
From: Marcelo Tosatti <mtosatti@redhat.com>
Message-ID: <20100427175835.GA28137@amt.cnet>
References: <1272371652-23087-11-git-send-email-amit.shah@redhat.com>
	<1272371652-23087-12-git-send-email-amit.shah@redhat.com>
	<1272371652-23087-13-git-send-email-amit.shah@redhat.com>
	<1272371652-23087-14-git-send-email-amit.shah@redhat.com>
	<1272371652-23087-15-git-send-email-amit.shah@redhat.com>
	<1272371652-23087-16-git-send-email-amit.shah@redhat.com>
	<1272371652-23087-17-git-send-email-amit.shah@redhat.com>
	<1272371652-23087-18-git-send-email-amit.shah@redhat.com>
	<1272371652-23087-19-git-send-email-amit.shah@redhat.com>
	<4BD721C7.8010102@codemonkey.ws>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <4BD721C7.8010102@codemonkey.ws>
Subject: [Qemu-devel] Re: [PATCH v6 18/18] virtio-serial-bus: wake up
 iothread upon guest read notification
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Amit Shah <amit.shah@redhat.com>, qemu list <qemu-devel@nongnu.org>, Juan Quintela <quintela@redhat.com>

On Tue, Apr 27, 2010 at 12:41:27PM -0500, Anthony Liguori wrote:
> On 04/27/2010 07:34 AM, Amit Shah wrote:
> >From: Marcelo Tosatti<mtosatti@redhat.com>
> >
> >Wake up iothread when buffers are consumed.
> >
> >Signed-off-by: Marcelo Tosatti<mtosatti@redhat.com>
> >Signed-off-by: Amit Shah<amit.shah@redhat.com>
> 
> What's the race here?  This looks very odd to me.

We discussed this on the following thread:

http://www.mail-archive.com/kvm@vger.kernel.org/msg29249.html