Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269012AbUICDov (ORCPT ); Thu, 2 Sep 2004 23:44:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268984AbUICDoU (ORCPT ); Thu, 2 Sep 2004 23:44:20 -0400 Received: from mail.parknet.co.jp ([210.171.160.6]:31246 "EHLO mail.parknet.co.jp") by vger.kernel.org with ESMTP id S269510AbUICDhG (ORCPT ); Thu, 2 Sep 2004 23:37:06 -0400 To: george@mvista.com Cc: Tim Schmielau , john stultz , Andrew Morton , Petri Kaukasoina , albert@users.sourceforge.net, lkml , voland@dmz.com.pl, nicolas.george@ens.fr, david+powerix@blue-labs.org Subject: Re: [PATCH] Re: boot time, process start time, and NOW time References: <87smcf5zx7.fsf@devron.myhome.or.jp> <20040816124136.27646d14.akpm@osdl.org> <412285A5.9080003@mvista.com> <1092782243.2429.254.camel@cog.beaverton.ibm.com> <1092787863.2429.311.camel@cog.beaverton.ibm.com> <1092781172.2301.1654.camel@cube> <1092791363.2429.319.camel@cog.beaverton.ibm.com> <20040819191537.GA24060@elektroni.ee.tut.fi> <20040826040436.360f05f7.akpm@osdl.org> <1093916047.14662.144.camel@cog.beaverton.ibm.com> <87fz61yf75.fsf@devron.myhome.or.jp> <4137896E.5080802@mvista.com> <87u0uggxme.fsf@devron.myhome.or.jp> <4137C1FA.7070000@mvista.com> From: OGAWA Hirofumi Date: Fri, 03 Sep 2004 12:35:14 +0900 In-Reply-To: <4137C1FA.7070000@mvista.com> Message-ID: <87wtzct47h.fsf@ibmpc.myhome.or.jp> User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3.50 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 898 Lines: 21 George Anzinger writes: > > The cause of this is > > INITIAL_JIFFIES % HZ (4294667296 % 1000) > > because INITIAL_JIFFIES is unsigned long. > > So, I guessed this is not intention. > > Looks like this should be (-300*1000) % 1000. > > What "should be"? in time_init(), and hpet_time_init(), xtime.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ); should be xtime.tv_nsec = ((long)INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ); because (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ) == 296000000 and ((long)INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ) == 0 -- OGAWA Hirofumi - 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/