From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiannan Ouyang Subject: Re: [PATCH RFC V9 0/19] Paravirtualized ticket spinlocks Date: Sun, 02 Jun 2013 09:20:34 -0700 Message-ID: References: <20130601192125.5966.35563.sendpatchset@codeblue> <20130602080739.GA24773@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <20130602080739.GA24773@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: Gleb Natapov Cc: Jeremy Fitzhardinge , x86@kernel.org, KVM , linux-doc@vger.kernel.org, Peter Zijlstra , Andrew Jones , virtualization@lists.linux-foundation.org, andi@firstfloor.org, "H. Peter Anvin" , stefano.stabellini@eu.citrix.com, xen-devel@lists.xensource.com, Raghavendra K T , Ingo Molnar , "Andrew M. Theurer" , Rik van Riel , konrad.wilk@oracle.com, Jiannan Ouyang , Avi Kivity , Thomas Gleixner , chegu vinod , gregkh@suse.de, LKML , Srivatsa Vaddagiri , attilio.rao@citrix.com, pbonzini@redhat.com, torvalds@linux-foundation.org, stephan.diestelhor List-Id: virtualization@lists.linuxfoundation.org On Sun, Jun 2, 2013 at 1:07 AM, Gleb Natapov wrote: > High level question here. We have a big hope for "Preemptable Ticket > Spinlock" patch series by Jiannan Ouyang to solve most, if not all, > ticketing spinlocks in overcommit scenarios problem without need for PV. > So how this patch series compares with his patches on PLE enabled processors? > No experiment results yet. An error is reported on a 20 core VM. I'm during an internship relocation, and will start work on it next week. -- Jiannan