Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932207AbVL0EFG (ORCPT ); Mon, 26 Dec 2005 23:05:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932211AbVL0EFF (ORCPT ); Mon, 26 Dec 2005 23:05:05 -0500 Received: from mx1.redhat.com ([66.187.233.31]:46536 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S932207AbVL0EFB (ORCPT ); Mon, 26 Dec 2005 23:05:01 -0500 Date: Mon, 26 Dec 2005 23:04:52 -0500 From: Dave Jones To: jeff shia Cc: linux-kernel@vger.kernel.org Subject: Re: do we still need the jiffies wraparound functions ? Message-ID: <20051227040452.GA27781@redhat.com> Mail-Followup-To: Dave Jones , jeff shia , linux-kernel@vger.kernel.org References: <7cd5d4b40512261932v12149210u52cf97c4bc203871@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7cd5d4b40512261932v12149210u52cf97c4bc203871@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 603 Lines: 19 On Tue, Dec 27, 2005 at 11:32:41AM +0800, jeff shia wrote: > Hello, > > Under the kernel 2.6.x,the jiffies is defined as u64.We cannot count > on it to overflow. You can guarantee it will overflow within a few minutes of booting. This is done deliberatly to catch jiffy-wrap bugs. > Do we still need the functions to solve this problem? yes. Dave - 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/