Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752829Ab0FBF0i (ORCPT ); Wed, 2 Jun 2010 01:26:38 -0400 Received: from e3.ny.us.ibm.com ([32.97.182.143]:37007 "EHLO e3.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751957Ab0FBF0h (ORCPT ); Wed, 2 Jun 2010 01:26:37 -0400 Date: Wed, 2 Jun 2010 10:56:32 +0530 From: Srivatsa Vaddagiri To: Avi Kivity 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 Subject: Re: [PATCH] use unfair spinlock when running on hypervisor. Message-ID: <20100602052632.GA25864@linux.vnet.ibm.com> Reply-To: vatsa@in.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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4C05C722.1010804@redhat.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 598 Lines: 18 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/