Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752723AbbFVBUZ (ORCPT ); Sun, 21 Jun 2015 21:20:25 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:41602 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751503AbbFVBUS (ORCPT ); Sun, 21 Jun 2015 21:20:18 -0400 Message-ID: <558762C4.2000002@oracle.com> Date: Mon, 22 Jun 2015 09:20:04 +0800 From: Bob Liu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130308 Thunderbird/17.0.4 MIME-Version: 1.0 To: =?windows-1252?Q?Roger_Pau_Monn=E9?= CC: Konrad Rzeszutek Wilk , Paul Durrant , "xen-devel@lists.xen.org" , David Vrabel , "justing@spectralogic.com" , Julien Grall , "linux-kernel@vger.kernel.org" , Marcus Granado , Rafal Mielniczuk Subject: Re: [PATCH 3/3] xen/block: add multi-page ring support References: <1433310003-13089-1-git-send-email-bob.liu@oracle.com> <1433310003-13089-3-git-send-email-bob.liu@oracle.com> <5576A8C0.8000804@oracle.com> <9AAE0902D5BC7E449B7C8E4E778ABCD0259410F3@AMSPEX01CL01.citrite.net> <20150609133938.GA15200@x230> <5576F325.5050304@citrix.com> In-Reply-To: <5576F325.5050304@citrix.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit X-Source-IP: aserv0021.oracle.com [141.146.126.233] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1036 Lines: 33 On 06/09/2015 10:07 PM, Roger Pau Monn? wrote: > El 09/06/15 a les 15.39, Konrad Rzeszutek Wilk ha escrit: ... >> Roger, I put them (patches) on devel/for-jens-4.2 on >> >> git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git >> >> I think these two patches: >> drivers: xen-blkback: delay pending_req allocation to connect_ring >> xen/block: add multi-page ring support >> >> are the only ones that haven't been Acked by you (or maybe they >> have and I missed the Ack?) > > Hello, > > I was waiting to Ack those because the XenServer storage performance > folks found out that these patches cause a performance regression on > some of their tests. I'm adding them to the conversation so they can > provide more details about the issues they found, and whether we should > hold pushing this patches or not. > Hey, Are there any updates? What's the performance regression problem? Thanks, -Bob -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/