From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 30 May 2002 00:17:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 30 May 2002 00:17:58 -0400 Received: from to-velocet.redhat.com ([216.138.202.10]:19954 "EHLO touchme.toronto.redhat.com") by vger.kernel.org with ESMTP id ; Thu, 30 May 2002 00:17:57 -0400 Date: Thu, 30 May 2002 00:17:57 -0400 From: Benjamin LaHaise To: "Todd R. Eigenschink" Cc: linux-kernel@vger.kernel.org Subject: Re: interrupt count (/proc/stat) change in 2.4.19-pre9 Message-ID: <20020530001757.A26137@redhat.com> In-Reply-To: <15605.42173.758778.408074@rtfm.ofc.tekinteractive.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 29, 2002 at 11:04:13PM -0500, Todd R. Eigenschink wrote: > Is it trying to induce some sort of intentional overflow in the > interrupt count, or is there some other big-picture change that > requires this? I see the comment from the BK changeset, but I still > don't understand the purpose. It's a brown paper bag. By making the counts 9 digits long, the bug in the old code that the patch fixed was triggered. -ben