Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933633Ab3GDH71 (ORCPT ); Thu, 4 Jul 2013 03:59:27 -0400 Received: from merlin.infradead.org ([205.233.59.134]:33778 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755295Ab3GDH70 (ORCPT ); Thu, 4 Jul 2013 03:59:26 -0400 Date: Thu, 4 Jul 2013 09:58:40 +0200 From: Peter Zijlstra To: Alex Shi Cc: tglx@linutronix.de, hpa@linux.intel.com, tim.c.chen@linux.intel.com, linux-kernel@vger.kernel.org, andi.kleen@intel.com, mingo@elte.hu Subject: Re: [URGENT rfc patch 0/3] tsc clocksource bug fix Message-ID: <20130704075840.GH18898@dyad.programming.kicks-ass.net> References: <1372916056-24301-1-git-send-email-alex.shi@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1372916056-24301-1-git-send-email-alex.shi@intel.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 707 Lines: 15 On Thu, Jul 04, 2013 at 01:34:13PM +0800, Alex Shi wrote: > If the tsc is marked as constant and nonstop, could we set it as system > clocksource when do tsc register? w/o checking it on clocksource_watchdog? I'd not do that; the BIOS can still screw you over, we need some validation. That said; we do need means to disable the clocksource watchdog -- although I suppose Frederic might already have provided this for this NOHZ efforts when I wasn't looking. -- 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/