Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757090AbYBMNsZ (ORCPT ); Wed, 13 Feb 2008 08:48:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753671AbYBMNsO (ORCPT ); Wed, 13 Feb 2008 08:48:14 -0500 Received: from cantor2.suse.de ([195.135.220.15]:41534 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753568AbYBMNsN (ORCPT ); Wed, 13 Feb 2008 08:48:13 -0500 Message-ID: <47B2F56D.1070004@suse.de> Date: Wed, 13 Feb 2008 14:49:33 +0100 From: Andi Kleen User-Agent: Thunderbird 2.0.0.6 (X11/20070801) MIME-Version: 1.0 To: Thomas Gleixner Cc: Andi Kleen , mingo@elte.hu, linux-kernel@vger.kernel.org Subject: Re: [PATCH] [1/5] Only do century BCD conversion when we know the RTC is BCD References: <20080209416.271135970@suse.de> <200802110956.16004.ak@suse.de> <20080211221514.GA12592@basil.nowhere.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 820 Lines: 22 Thomas Gleixner wrote: > On Mon, 11 Feb 2008, Andi Kleen wrote: > >>> So the warning comes a bit late :) >> I suspect if this was wrong before it would not have been noticed >> because user space hwclock would work around it. > > And how exaclty does it work aroalund ? By setting the binary cmos clock > with BCD values ? By reading the value directly from CMOS I suppose and checking the BCD bit and then setting the clock to the correct value [all theoretical; i have not checked the hwclock code if it does that or not. It might be wrong. Just a hypothesis.] -Andi -- 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/