Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161659AbaJaB2c (ORCPT ); Thu, 30 Oct 2014 21:28:32 -0400 Received: from mail-la0-f43.google.com ([209.85.215.43]:51327 "EHLO mail-la0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759601AbaJaB2b (ORCPT ); Thu, 30 Oct 2014 21:28:31 -0400 MIME-Version: 1.0 In-Reply-To: <11875981.eJaWCbGJJT@wuerfel> References: <1414139071-3818-1-git-send-email-lftan@altera.com> <2095416.INZmt8AD1y@wuerfel> <11875981.eJaWCbGJJT@wuerfel> Date: Fri, 31 Oct 2014 09:28:29 +0800 X-Google-Sender-Auth: iQbGO89gDNF70PpG54lGIZyksnc Message-ID: Subject: Re: [PATCH v5 29/29] nios2: Build infrastructure From: Ley Foon Tan To: Arnd Bergmann Cc: Linux-Arch , "linux-kernel@vger.kernel.org" , "linux-doc@vger.kernel.org" , Chung-Lin Tang Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 30, 2014 at 7:33 PM, Arnd Bergmann wrote: > On Thursday 30 October 2014 18:44:37 Ley Foon Tan wrote: >> > >> > I don't remember what all of these are, but at least some of them seem >> > to be concerned with 64-bit division. By convention, we don't provide those >> > in the Linux kernel but instead require all code to use the do_div() >> > macro instead. >> Do you mean kernel doesn't support 64 bit division result for a 32-bit >> architecture? Because do_div() only support 32-bit division result for >> 32-bit architecture. > > Correct. If you need a full 64-bit division on a 32-bit kernel, the > assumption is that your driver has a bug. > Okay, will remove 64 bit division. Regards Ley Foon -- 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/