From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srivatsa Vaddagiri Subject: Re: [PATCH] use unfair spinlock when running on hypervisor. Date: Wed, 2 Jun 2010 10:56:32 +0530 Message-ID: <20100602052632.GA25864@linux.vnet.ibm.com> References: <20100601093515.GH24302@redhat.com> <87sk56ycka.fsf@basil.nowhere.org> <20100601162414.GA6191@redhat.com> <20100601163807.GA11880@basil.fritz.box> <4C053ACC.5020708@redhat.com> <20100601172730.GB11880@basil.fritz.box> <4C05C722.1010804@redhat.com> Reply-To: vatsa@in.ibm.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andi Kleen , Gleb Natapov , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, hpa@zytor.com, mingo@elte.hu, npiggin@suse.de, tglx@linutronix.de, mtosatti@redhat.com To: Avi Kivity Return-path: Content-Disposition: inline In-Reply-To: <4C05C722.1010804@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On Wed, Jun 02, 2010 at 05:51:14AM +0300, Avi Kivity wrote: > That's definitely the long term plan. I consider Gleb's patch the > first step. > > Do you have any idea how we can tackle both problems? I recall Xen posting some solution for a similar problem: http://lkml.org/lkml/2010/1/29/45 Wouldn't a similar approach help KVM as well? - vatsa