Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754185AbZDVPaq (ORCPT ); Wed, 22 Apr 2009 11:30:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753026AbZDVPah (ORCPT ); Wed, 22 Apr 2009 11:30:37 -0400 Received: from zrtps0kp.nortel.com ([47.140.192.56]:56947 "EHLO zrtps0kp.nortel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752910AbZDVPag (ORCPT ); Wed, 22 Apr 2009 11:30:36 -0400 Message-ID: <49EF37FC.8020909@nortel.com> Date: Wed, 22 Apr 2009 09:30:04 -0600 From: "Chris Friesen" User-Agent: Thunderbird 2.0.0.21 (X11/20090302) MIME-Version: 1.0 To: Jon Hunter CC: john stultz , Ingo Molnar , Thomas Gleixner , "linux-kernel@vger.kernel.org" Subject: Re: [RFC][PATCH] Dynamic Tick: Allow 32-bit machines to sleep for more than 2.15 seconds References: <49ECE615.2010800@ti.com> <20090421063523.GA8020@elte.hu> <1240345936.6080.6.camel@localhost> <49EE54B4.9020700@ti.com> <1240358715.6080.42.camel@localhost> <49EE89EF.1000707@ti.com> In-Reply-To: <49EE89EF.1000707@ti.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 22 Apr 2009 15:30:06.0417 (UTC) FILETIME=[36B8F410:01C9C35F] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 779 Lines: 21 Jon Hunter wrote: > So this > assumes that long long will be a 64-bit type which I don't like. > However, this would not cause any compilation issues even if long long > turned out to be 32-bits or 128-bits (if this is even possible). Isn't "long long" guaranteed to be 64-bit on all linux systems? Unless the width is critical, I'd prefer to stay away from u64 until it gets unified between architectures. I recently ran into a problem printk-ing a "u64" value because it was a different type on ppc64 than x86-64. Chris -- 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/