From mboxrd@z Thu Jan  1 00:00:00 1970
From: James Hogan <james.hogan@imgtec.com>
Subject: Re: [PATCH] arch: metag: lib: add "umoddi3.S" file for __umoddi3()
Date: Fri, 20 Dec 2013 09:30:44 +0000
Message-ID: <52B40E44.9040603@imgtec.com>
References: <52B2E0FA.7090805@gmail.com> <52B2E3DB.7010008@imgtec.com> <52B2F6B7.1050802@gmail.com> <52B2F8DC.8060006@imgtec.com> <52B3A0EA.9010801@gmail.com>
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <52B3A0EA.9010801@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-metag.vger.kernel.org>
Content-Type: text/plain; charset="us-ascii"
To: Chen Gang <gang.chen.5i5j@gmail.com>
Cc: rostedt@goodmis.org, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, linux-metag@vger.kernel.org

On 20/12/13 01:44, Chen Gang wrote:
> On 12/19/2013 09:47 PM, James Hogan wrote:
>> No, I believe there shouldn't be any use of the C 64bit division/modulo
>> operations in generic kernel code in the first place, so like I said
>> before the code in question should be fixed to use the proper functions
>> in <linux/math64.h>.
>>
> 
> OK, thanks, your idea is one of fix ways.
> 
> Hmm... for me, it is still not a bad idea to add "__umoddi3" to metag.

NAK

Please read this:
http://yarchive.net/comp/linux/64bit_divide.html

Cheers
James