Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758831Ab0HEWSL (ORCPT ); Thu, 5 Aug 2010 18:18:11 -0400 Received: from mail-gw0-f46.google.com ([74.125.83.46]:59510 "EHLO mail-gw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751881Ab0HEWSJ convert rfc822-to-8bit (ORCPT ); Thu, 5 Aug 2010 18:18:09 -0400 MIME-Version: 1.0 In-Reply-To: <1281042665.3405.15.camel@localhost.localdomain> References: <1280926108-24668-1-git-send-email-virtuoso@slind.org> <1280937526.28884.21.camel@work-vm> <1281042665.3405.15.camel@localhost.localdomain> From: Kay Sievers Date: Fri, 6 Aug 2010 00:17:52 +0200 Message-ID: Subject: Re: [PATCH] [RFC] notify userspace about time changes To: john stultz Cc: Alexander Shishkin , gregkh@suse.de, lkml@vger.kernel.org, "Kirill A. Shutemov" , Thomas Gleixner , Martin Schwidefsky , Andrew Morton , Jon Hunter , Ingo Molnar , Peter Zijlstra , "Paul E. McKenney" , David Howells , Avi Kivity , "H. Peter Anvin" , John Kacur , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 961 Lines: 19 On Thu, Aug 5, 2010 at 23:11, john stultz wrote: > On Thu, 2010-08-05 at 15:33 +0300, Alexander Shishkin wrote: >> On 4 August 2010 18:58, john stultz wrote: >> > Is there a actual use case that you need this for?  I don't really have >> > an issue with the code I just really want to make sure the feature would >> > be useful enough to justify the API and code maintenance going forward. Basically everything that schedules an action based on an absolute time specification, like at 3pm today, and not in 3 hours from now, needs to track such system time changes. Otherwise it has to do nonsense like cron does, to wake up every minute to check the current time. Kay -- 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/