Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757095AbZIDQlg (ORCPT ); Fri, 4 Sep 2009 12:41:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757057AbZIDQlf (ORCPT ); Fri, 4 Sep 2009 12:41:35 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:45914 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755506AbZIDQle (ORCPT ); Fri, 4 Sep 2009 12:41:34 -0400 Date: Fri, 4 Sep 2009 17:41:27 +0100 From: Matthew Garrett To: Alessandro Zummo Cc: rtc-linux@googlegroups.com, linux-kernel@vger.kernel.org Subject: Re: [rtc-linux] Re: [PATCH 2/2] rtc: Add boot_timesource sysfs attribute Message-ID: <20090904164127.GB25419@srcf.ucam.org> 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090904183828.4376236e@i1501.lan.towertech.it> User-Agent: Mutt/1.5.18 (2008-05-17) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 902 Lines: 22 On Fri, Sep 04, 2009 at 06:38:28PM +0200, Alessandro Zummo wrote: > On Fri, 4 Sep 2009 17:30:29 +0100 > Matthew Garrett wrote: > > > We'd prefer to avoid always doing --hctosys because it's a > > noticable performance hit on boot if the work's already been done by the > > kernel. > > 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. -- Matthew Garrett | mjg59@srcf.ucam.org -- 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/