From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bob Liu Subject: Re: [PATCH 3/3] xen/block: add multi-page ring support Date: Mon, 22 Jun 2015 09:20:04 +0800 Message-ID: <558762C4.2000002__40572.2764241093$1434936157$gmane$org@oracle.com> 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> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <5576F325.5050304@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: =?windows-1252?Q?Roger_Pau_Monn=E9?= Cc: Rafal Mielniczuk , "linux-kernel@vger.kernel.org" , Marcus Granado , "xen-devel@lists.xen.org" , Julien Grall , "justing@spectralogic.com" , Paul Durrant , David Vrabel List-Id: xen-devel@lists.xenproject.org On 06/09/2015 10:07 PM, Roger Pau Monn=E9 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