From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932363Ab2INAY4 (ORCPT ); Thu, 13 Sep 2012 20:24:56 -0400 Received: from mga01.intel.com ([192.55.52.88]:61199 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753340Ab2INAYz (ORCPT ); Thu, 13 Sep 2012 20:24:55 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,420,1344236400"; d="scan'208";a="221937136" Message-ID: <5052792E.1010507@intel.com> Date: Fri, 14 Sep 2012 08:24:14 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111229 Thunderbird/9.0 MIME-Version: 1.0 To: Cliff Wickman CC: Ingo Molnar , linux-kernel@vger.kernel.org, jbeulich@suse.com, tglx@linutronix.de, hpa@zytor.com Subject: Re: [alex.shi@intel.com: Re: [PATCH] UV: fix incorrect tlb flush all issue] References: <20120913155310.GA4081@gmail.com> <20120913212003.GA16789@sgi.com> In-Reply-To: <20120913212003.GA16789@sgi.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/14/2012 05:20 AM, Cliff Wickman wrote: > On Thu, Sep 13, 2012 at 05:53:10PM +0200, Ingo Molnar wrote: >> >> Ack? >> >> Thanks, >> >> Ingo > > Ack. > But with the adjustment below. The 'end' argument was not declared long. > > I tested the patch on a UV. > It has the effect of either clearing 1 or all TLBs in a cpu. > I added some debugging to test for the cases when clearing all TLBs is > overkill, and in practice it happens very seldom. Thanks a lot for you all! > > Sorry I didn't participate in this patch earlier. Jack Steiner was > copied, I believe. But steiner@sgi.com is no longer active. Jack has > retired -- congratulations to him, but a very big loss to us, both > professionally and personally. Congratulations for Jack. :)