Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754349Ab3EPOPR (ORCPT ); Thu, 16 May 2013 10:15:17 -0400 Received: from mail.skyhub.de ([78.46.96.112]:44744 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750992Ab3EPOPN (ORCPT ); Thu, 16 May 2013 10:15:13 -0400 Date: Thu, 16 May 2013 16:15:05 +0200 From: Borislav Petkov To: Thomas Gleixner Cc: Frederic Weisbecker , mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org, jkosina@suse.cz, tony.luck@intel.com, prarit@redhat.com, linux-tip-commits@vger.kernel.org Subject: Re: [tip:timers/urgent] tick: Don't invoke tick_nohz_stop_sched_tick( ) if the cpu is offline Message-ID: <20130516141505.GF31373@pd.tnic> References: <20130515194102.GE24004@somewhere> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 734 Lines: 20 On Thu, May 16, 2013 at 04:06:58PM +0200, Thomas Gleixner wrote: > No, it's not about restarting the tick. It's about not falling into > the nohz functions when the cpu is about to die. Just leave it alone, > that's what the patch does. Yep, this is how I saw it too: why even fiddle when the tick when we're going offline anyway. We can look at the tick when we come back online and enter idle. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- 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/