Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757501AbZINW7e (ORCPT ); Mon, 14 Sep 2009 18:59:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932550AbZINW7d (ORCPT ); Mon, 14 Sep 2009 18:59:33 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58798 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757491AbZINW7d (ORCPT ); Mon, 14 Sep 2009 18:59:33 -0400 Date: Tue, 15 Sep 2009 00:59:28 +0200 From: Karel Zak To: rtc-linux@googlegroups.com Cc: Matthew Garrett , linux-kernel@vger.kernel.org Subject: Re: [rtc-linux] Re: [PATCH 2/2] rtc: Add boot_timesource sysfs attribute Message-ID: <20090914225928.GB29406@nb.net.home> References: <1252081568-6000-1-git-send-email-mjg@redhat.com> <1252081568-6000-2-git-send-email-mjg@redhat.com> <20090904182528.591dbd29@i1501.lan.towertech.it> <20090904163029.GA25239@srcf.ucam.org> <20090904183828.4376236e@i1501.lan.towertech.it> <20090904164127.GB25419@srcf.ucam.org> <20090904185243.53c9b440@i1501.lan.towertech.it> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090904185243.53c9b440@i1501.lan.towertech.it> User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1070 Lines: 30 On Fri, Sep 04, 2009 at 06:52:43PM +0200, Alessandro Zummo wrote: > > On Fri, 4 Sep 2009 17:41:27 +0100 > Matthew Garrett wrote: > > > > it shouldn't. maybe your hwclock is waiting for the tick > > > or something similar. I'd check it. > > > > I'm just going by what our userspace people are saying. They'd prefer > > not to have to run --hctosys if the time's already been set - > > https://bugzilla.redhat.com/show_bug.cgi?id=489494 has the discussion. > > > > that's ok, but nonetheless there's a problem in hwclock > if it takes 3 secs to read the time. IMHO 3 seconds is nonsense. It's usually 0.5 - 1 second. Anyway, the "hwclock --hctosys" in userspace is a mystical voodoo and it's definitely better to move this thing to kernel. Karel -- Karel Zak -- 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/