From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754361Ab3HEKiY (ORCPT ); Mon, 5 Aug 2013 06:38:24 -0400 Received: from e23smtp02.au.ibm.com ([202.81.31.144]:44811 "EHLO e23smtp02.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753784Ab3HEKiU (ORCPT ); Mon, 5 Aug 2013 06:38:20 -0400 Message-ID: <51FF8180.10207@linux.vnet.ibm.com> Date: Mon, 05 Aug 2013 16:12:08 +0530 From: Raghavendra K T Organization: IBM User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Ingo Molnar CC: Gleb Natapov , mingo@redhat.com, x86@kernel.org, tglx@linutronix.de, jeremy@goop.org, konrad.wilk@oracle.com, hpa@zytor.com, pbonzini@redhat.com, linux-doc@vger.kernel.org, habanero@linux.vnet.ibm.com, xen-devel@lists.xensource.com, peterz@infradead.org, mtosatti@redhat.com, stefano.stabellini@eu.citrix.com, andi@firstfloor.org, attilio.rao@citrix.com, ouyang@cs.pitt.edu, gregkh@suse.de, agraf@suse.de, chegu_vinod@hp.com, torvalds@linux-foundation.org, avi.kivity@gmail.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, riel@redhat.com, drjones@redhat.com, virtualization@lists.linux-foundation.org, srivatsa.vaddagiri@gmail.com Subject: Re: [PATCH RFC V11 15/18] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor References: <20130724120647.GG16400@redhat.com> <51EFCA42.5020009@linux.vnet.ibm.com> <51F0ED31.3040200@linux.vnet.ibm.com> <20130725091509.GA22735@redhat.com> <51F0F202.5090001@linux.vnet.ibm.com> <51F7ED20.80202@linux.vnet.ibm.com> <20130731062440.GK28372@redhat.com> <51FA1087.9080908@linux.vnet.ibm.com> <20130802092539.GB28327@gmail.com> <20130802095406.GB30072@redhat.com> <20130805094603.GA29303@gmail.com> In-Reply-To: <20130805094603.GA29303@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-MML: No X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13080510-5490-0000-0000-000003EFD0AA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> That result was only for patch 18 of the series, not pvspinlock in >> general. > > Okay - I've re-read the performance numbers and they are impressive, so no > objections from me. > > The x86 impact seems to be a straightforward API change, with most of the > changes on the virtualization side. So: > > Acked-by: Ingo Molnar > > I guess you'd want to carry this in the KVM tree or so - maybe in a > separate branch because it changes Xen as well? > Thank you Ingo for taking a relook. Gleb, Please let me know if you want me to resend the first 17 patches with acked-bys. i.e excluding the 18th patch.