From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932906Ab3E0Ohu (ORCPT ); Mon, 27 May 2013 10:37:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42181 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932629Ab3E0Ohs (ORCPT ); Mon, 27 May 2013 10:37:48 -0400 Message-ID: <51A36FB3.9050607@redhat.com> Date: Mon, 27 May 2013 10:37:39 -0400 From: Prarit Bhargava User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110419 Red Hat/3.1.10-1.el6_0 Thunderbird/3.1.10 MIME-Version: 1.0 To: Thomas Gleixner CC: linux-kernel@vger.kernel.org, John Stultz , x86@kernel.org Subject: Re: [PATCH] x86, clocksource, fix !CONFIG_CLOCKSOURCE_WATCHDOG compile References: <1361563736-28241-1-git-send-email-prarit@redhat.com> In-Reply-To: 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 05/27/2013 06:00 AM, Thomas Gleixner wrote: > On Fri, 22 Feb 2013, Prarit Bhargava wrote: > >> If I explicitly disable the clocksource watchdog in the x86 Kconfig, > > And why do you want to do that? Hey Thomas, I was debugging something and stumbled across this. IIRC the issue was that there some weirdness on a series of new AMD systems and unfortunately the watchdog would fire and switch clocksources on me :( That resulted in me not being able to debug the HW because the clocksource I wanted was no longer available. P. > >> the x86 kernel will not compile unless this is properly defined. >> >> Signed-off-by: Prarit Bhargava >> Cc: John Stultz >> Cc: Thomas Gleixner >> Cc: x86@kernel.org >> --- >> kernel/time/clocksource.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c >> index c958338..e04821f 100644 >> --- a/kernel/time/clocksource.c >> +++ b/kernel/time/clocksource.c >> @@ -450,6 +450,7 @@ static void clocksource_enqueue_watchdog(struct clocksource *cs) >> static inline void clocksource_dequeue_watchdog(struct clocksource *cs) { } >> static inline void clocksource_resume_watchdog(void) { } >> static inline int clocksource_watchdog_kthread(void *data) { return 0; } >> +void clocksource_mark_unstable(struct clocksource *cs) { } >> >> #endif /* CONFIG_CLOCKSOURCE_WATCHDOG */ >> >> -- >> 1.7.9.3 >> >>