From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756236AbaHVMxA (ORCPT ); Fri, 22 Aug 2014 08:53:00 -0400 Received: from smtp.citrix.com ([66.165.176.89]:16839 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756121AbaHVMw7 (ORCPT ); Fri, 22 Aug 2014 08:52:59 -0400 X-IronPort-AV: E=Sophos;i="5.04,380,1406592000"; d="scan'208";a="164142585" Message-ID: <53F73D29.4020401@citrix.com> Date: Fri, 22 Aug 2014 13:52:57 +0100 From: David Vrabel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Icedove/24.5.0 MIME-Version: 1.0 To: Arianna Avanzini , , , , CC: , , Subject: Re: [PATCH RFC 3/4] xen, blkfront: introduce support for multiple hw queues References: <1408706404-6614-1-git-send-email-avanzini.arianna@gmail.com> <1408706404-6614-4-git-send-email-avanzini.arianna@gmail.com> In-Reply-To: <1408706404-6614-4-git-send-email-avanzini.arianna@gmail.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit X-DLP: MIA2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 22/08/14 12:20, Arianna Avanzini wrote: > This commit introduces in xen-blkfront actual support for multiple > hardware queues. The number of available hardware queues is gathered > from the backend via XenStore; in case the expected XenStore key > is not available, the frontend defaults to a single I/O ring. Can you split this into a part that reactors blkfront handle multiple queues and the part that adds the XenStore negotiation for this? You will also need to to add documentation for the XenStore keys to the blkif.h header in Xen. David