From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757645Ab3BRKAO (ORCPT ); Mon, 18 Feb 2013 05:00:14 -0500 Received: from cn.fujitsu.com ([222.73.24.84]:40380 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751663Ab3BRKAM (ORCPT ); Mon, 18 Feb 2013 05:00:12 -0500 X-IronPort-AV: E=Sophos;i="4.84,686,1355068800"; d="scan'208";a="6723946" Message-ID: <5121F521.6080300@cn.fujitsu.com> Date: Mon, 18 Feb 2013 17:32:17 +0800 From: Wanlong Gao Reply-To: gaowanlong@cn.fujitsu.com Organization: Fujitsu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Paolo Bonzini CC: linux-kernel@vger.kernel.org, asias@redhat.com, mst@redhat.com, Rusty Russell , kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-scsi@vger.kernel.org, JBottomley@parallels.com, Wanlong Gao Subject: Re: [PATCH v3 0/5] virtio-scsi multiqueue References: <1360674391-2661-1-git-send-email-pbonzini@redhat.com> In-Reply-To: <1360674391-2661-1-git-send-email-pbonzini@redhat.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/02/18 17:32:24, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/02/18 17:32:27, Serialize complete at 2013/02/18 17:32:27 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/12/2013 09:06 PM, Paolo Bonzini wrote: > This series implements virtio-scsi queue steering, which gives > performance improvements of up to 50% (measured both with QEMU and > tcm_vhost backends). The patches build on top of the new virtio APIs > at http://permalink.gmane.org/gmane.linux.kernel.virtualization/18431; > the new API simplifies the locking of the virtio-scsi driver nicely, > thus it makes sense to require them as a prerequisite. > > Changes from the previous post, which can be found at > http://permalink.gmane.org/gmane.linux.kernel.virtualization/17869: > > - patches 1 and 2 ("virtio: add functions for piecewise addition of > buffers", "virtio-scsi: use functions for piecewise composition of > buffers") split into their own series > > - new cleanup patch "virtio-scsi: push vq lock/unlock into virtscsi_vq_done" > > - reorganized code to move ACCESS_ONCE in a clearer place > > - included Wanlong Gao's CPU hotplug patches > > Ok for 3.9? It would probably be easier to get it in via Rusty's tree > because of the prerequisites. James, can I get your Acked-by? I can't apply this series on top of Rusty's virtio-next, I missed something or needed rebase them ? Thanks, Wanlong Gao > > Paolo > > Paolo Bonzini (4): > virtio-scsi: redo allocation of target data > virtio-scsi: pass struct virtio_scsi to virtqueue completion function > virtio-scsi: push vq lock/unlock into virtscsi_vq_done > virtio-scsi: introduce multiqueue support > > Wanlong Gao (1): > virtio-scsi: reset virtqueue affinity when doing cpu hotplug > > drivers/scsi/virtio_scsi.c | 360 +++++++++++++++++++++++++++++++++++--------- > 1 files changed, 292 insertions(+), 68 deletions(-) > >