From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MaCOM-00010a-47 for qemu-devel@nongnu.org; Sun, 09 Aug 2009 13:41:10 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MaCOH-0000zn-JF for qemu-devel@nongnu.org; Sun, 09 Aug 2009 13:41:09 -0400 Received: from [199.232.76.173] (port=38310 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MaCOH-0000zk-GW for qemu-devel@nongnu.org; Sun, 09 Aug 2009 13:41:05 -0400 Received: from verein.lst.de ([213.95.11.210]:60745) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_3DES_EDE_CBC_SHA1:24) (Exim 4.60) (envelope-from ) id 1MaCOH-0008QN-1v for qemu-devel@nongnu.org; Sun, 09 Aug 2009 13:41:05 -0400 Date: Sun, 9 Aug 2009 19:41:00 +0200 From: Christoph Hellwig Subject: Re: [Qemu-devel] Re: virtio-blk performance and MSI Message-ID: <20090809174100.GA17096@lst.de> References: <20090806163549.GA25594@lst.de> <4A7E9E7F.2090901@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A7E9E7F.2090901@redhat.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Avi Kivity Cc: kvm@vger.kernel.org, Christoph Hellwig , qemu-devel@nongnu.org On Sun, Aug 09, 2009 at 01:01:35PM +0300, Avi Kivity wrote: > Looks good. Anthony, I think this applies upstream? This applies upstream, but as mentioned we can't just use it as-is. We'll very recent kvm kernel support for multiple MSI vectors, and when the host doesn't have it even 2.6.30 crashes badly in the guest.