From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=59700 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Pi2Rc-0001Jm-03 for qemu-devel@nongnu.org; Wed, 26 Jan 2011 05:17:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Pi2RO-0006jR-Nr for qemu-devel@nongnu.org; Wed, 26 Jan 2011 05:17:31 -0500 Received: from mx1.redhat.com ([209.132.183.28]:54736) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Pi2RO-0006jI-8h for qemu-devel@nongnu.org; Wed, 26 Jan 2011 05:17:30 -0500 Message-ID: <4D3FF518.7020202@redhat.com> Date: Wed, 26 Jan 2011 11:19:04 +0100 From: Kevin Wolf MIME-Version: 1.0 References: <1295972234-1287-1-git-send-email-stefanha@linux.vnet.ibm.com> <20110125174248.GA17734@redhat.com> In-Reply-To: <20110125174248.GA17734@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH v3] virtio-pci: Disable virtio-ioeventfd when !CONFIG_IOTHREAD List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: Stefan Hajnoczi , qemu-devel@nongnu.org Am 25.01.2011 18:42, schrieb Michael S. Tsirkin: > On Tue, Jan 25, 2011 at 04:17:14PM +0000, Stefan Hajnoczi wrote: >> It is not possible to use virtio-ioeventfd when building without an I/O >> thread. We rely on a signal to kick us out of vcpu execution. Timers >> and AIO use SIGALRM and SIGUSR2 respectively. Unfortunately eventfd >> does not support O_ASYNC (SIGIO) so eventfd cannot be used in a signal >> driven manner. >> >> Signed-off-by: Stefan Hajnoczi > > Acked-by: Michael S. Tsirkin I guess this means that it should go through my tree? I applied it to the block branch now. Kevin