From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1M6qF7-0002lF-UH for qemu-devel@nongnu.org; Wed, 20 May 2009 14:10:17 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1M6qF2-0002it-4n for qemu-devel@nongnu.org; Wed, 20 May 2009 14:10:16 -0400 Received: from [199.232.76.173] (port=38608 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1M6qF1-0002id-GN for qemu-devel@nongnu.org; Wed, 20 May 2009 14:10:11 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.143]:39139) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1M6qF1-0001v9-5v for qemu-devel@nongnu.org; Wed, 20 May 2009 14:10:11 -0400 Received: from d01relay07.pok.ibm.com (d01relay07.pok.ibm.com [9.56.227.147]) by e3.ny.us.ibm.com (8.13.1/8.13.1) with ESMTP id n4KI5i9N027336 for ; Wed, 20 May 2009 14:05:44 -0400 Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d01relay07.pok.ibm.com (8.13.8/8.13.8/NCO v9.2) with ESMTP id n4KIA6E2913470 for ; Wed, 20 May 2009 14:10:07 -0400 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n4KIA6sD022044 for ; Wed, 20 May 2009 12:10:06 -0600 Message-ID: <4A14477B.2020403@us.ibm.com> Date: Wed, 20 May 2009 13:10:03 -0500 From: Anthony Liguori MIME-Version: 1.0 References: <200905201426.n4KEQ2gm008223@d03av02.boulder.ibm.com> <4A144729.9040606@redhat.com> In-Reply-To: <4A144729.9040606@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [Qemu-commits] [COMMIT 95b134e] migrate.c: migrate_fd_put_buffer: Do not busyloop:stop writing if EWOULDBLOCK List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: Uri Lublin , qemu-devel@nongnu.org Avi Kivity wrote: > Anthony Liguori wrote: >> From: Uri Lublin >> >> The migration code is non-blocking, designed for live migration. >> >> Practically migrate_fd_put_buffer busy-loops trying to write, as >> on many machines EWOULDBLOCK==EAGAIN (look in >> include/asm-generic/errno.h). >> >> > > stable? That whole set of commits is in my staging tree for stable. I'll push it in a few hours when my testing is done. -- Regards, Anthony Liguori