From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: gnttab scalability and ticket locks status Date: Fri, 26 Jun 2015 15:30:10 +0100 Message-ID: <1435329010.32500.193.camel@citrix.com> References: <558D5852.4040307@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Z8Uea-0003Zi-Ck for xen-devel@lists.xenproject.org; Fri, 26 Jun 2015 14:30:52 +0000 In-Reply-To: <558D5852.4040307@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: David Vrabel Cc: jgross@suse.com, xen-devel@lists.xenproject.org, wei.liu2@citrix.com, jbeulich@suse.com, chao.p.peng@linux.intel.com List-Id: xen-devel@lists.xenproject.org On Fri, 2015-06-26 at 14:49 +0100, David Vrabel wrote: > On 26/06/15 12:16, wei.liu2@citrix.com wrote: > > > > == Blocker == > > > > == Hypervisor == > > > > * gnttab: improve scalability (good) > > - David Vrabel > > This is done. > > > * Use ticket lock in hypervisor (good) > > - David Vrabel > > This needs the reverts reverting which is currently pending on a kernel > update for ARM. If the kernel update doesn't turn up soon I think > ticket locks should be re-added anyway since the failure wasn't really > caused by the locking change (the netback bug had always been there). As of flight 58875 the kernel is fixed everywhere we care about, I think. IOW I can't see a reason not to throw them back in right away. Ian.