From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754308AbbALUtm (ORCPT ); Mon, 12 Jan 2015 15:49:42 -0500 Received: from mail-we0-f169.google.com ([74.125.82.169]:53943 "EHLO mail-we0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751641AbbALUtl (ORCPT ); Mon, 12 Jan 2015 15:49:41 -0500 Date: Mon, 12 Jan 2015 21:49:36 +0100 From: Richard Cochran To: John Stultz Cc: Linux Kernel Mailing List , Dave Jones , Linus Torvalds , Thomas Gleixner , Prarit Bhargava , Stephen Boyd , Ingo Molnar , Peter Zijlstra Subject: Re: [PATCH 06/10] time: Cap clocksource reads to the clocksource max_cycles value Message-ID: <20150112204936.GE4233@localhost.localdomain> References: <1420850068-27828-1-git-send-email-john.stultz@linaro.org> <1420850068-27828-7-git-send-email-john.stultz@linaro.org> <20150111124146.GA15387@localhost.localdomain> <20150112203006.GB4233@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150112203006.GB4233@localhost.localdomain> 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 On Mon, Jan 12, 2015 at 09:30:07PM +0100, Richard Cochran wrote: > On Mon, Jan 12, 2015 at 10:54:50AM -0800, John Stultz wrote: > > You say the tick should be scheduled before the clocksource wraps - > > but we have logic to do that. > > Well that is a shame. Arg, I mean, not a shame that we have logic for that, but rather that the logic is not reliable enough! Sorry Richard