From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:33827) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QhPLp-0001nf-8G for qemu-devel@nongnu.org; Thu, 14 Jul 2011 13:05:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QhPFn-0006mU-Gy for qemu-devel@nongnu.org; Thu, 14 Jul 2011 12:59:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:8966) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QhPFn-0006mN-86 for qemu-devel@nongnu.org; Thu, 14 Jul 2011 12:59:11 -0400 Message-ID: <4E1F2057.3090608@redhat.com> Date: Thu, 14 Jul 2011 19:59:03 +0300 From: Avi Kivity MIME-Version: 1.0 References: <1447945249.1317755.1310627692984.JavaMail.root@zmail01.collab.prod.int.phx2.redhat.com> <4E1EAA72.1060103@redhat.com> <4E1EE183.5050100@codemonkey.ws> <4E1EE1F2.5020801@redhat.com> <4E1F1E33.6010305@codemonkey.ws> In-Reply-To: <4E1F1E33.6010305@codemonkey.ws> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC] New thread for the VM migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Anthony Liguori Cc: Umesh Deshpande , qemu-devel@nongnu.org, kvm@vger.kernel.org On 07/14/2011 07:49 PM, Anthony Liguori wrote: > > I think a reference count based approach is really the only sane thing > to do and if we did that, it wouldn't be a problem since the reference > would be owned by the I/O thread and would live until the migration > thread is done with the VA. > I was thinking about RCU. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.