From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33066) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YRBFv-0001ef-DP for qemu-devel@nongnu.org; Thu, 26 Feb 2015 22:06:24 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YRBFs-0001Yp-7N for qemu-devel@nongnu.org; Thu, 26 Feb 2015 22:06:23 -0500 Received: from mx1.redhat.com ([209.132.183.28]:40906) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YRBFr-0001Yj-VS for qemu-devel@nongnu.org; Thu, 26 Feb 2015 22:06:20 -0500 Date: Fri, 27 Feb 2015 03:12:26 +0008 From: Jason Wang Message-Id: <1425006266.3834.2@smtp.corp.redhat.com> In-Reply-To: <20150226101906.GA24889@redhat.com> References: <1424934286-7099-1-git-send-email-jasowang@redhat.com> <1424934286-7099-4-git-send-email-jasowang@redhat.com> <20150226101906.GA24889@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Subject: Re: [Qemu-devel] [PATCH V2 03/11] virito: introduce bus specific queue limit List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Michael S. Tsirkin" Cc: qemu-devel@nongnu.org, Alexander Graf , Christian Borntraeger , Anthony Liguori , Cornelia Huck , Paolo Bonzini , Richard Henderson On Thu, Feb 26, 2015 at 6:19 PM, Michael S. Tsirkin wrote: > On Thu, Feb 26, 2015 at 03:04:38PM +0800, Jason Wang wrote: >> This patch introduces a bus specific queue limitation. It will be >> useful for increasing the limit for one of the bus without >> disturbing >> other buses. > > Is this about s390 only supporting up to 64 queues? Not specific to s390. It just introduces a queue_max to each bus and main changes were done for virito core. For each specific transport, it just set queue_max to VIRTIO_PCI_QUEUE_MAX(64).