Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751965AbaJCKdJ (ORCPT ); Fri, 3 Oct 2014 06:33:09 -0400 Received: from www.linutronix.de ([62.245.132.108]:46431 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751527AbaJCKdH (ORCPT ); Fri, 3 Oct 2014 06:33:07 -0400 Date: Fri, 3 Oct 2014 12:33:04 +0200 (CEST) From: Thomas Gleixner To: Christoph Lameter cc: linux-kernel@vger.kernel.org Subject: Re: Why do we still have 32 bit counters? Interrupt counters overflow within 50 days In-Reply-To: Message-ID: References: User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 3 Oct 2014, Christoph Lameter wrote: The answer is simply that nobody cared so far. > Is this the way its intended or should the counters be expanded to 64 bit? There is no reason why we cannot or should not expand them. Thanks, tglx -- 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/