linux-kernel - Re: [PATCH 0/4] Reinstate and improve MIPS `do

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Message-Id: <E6326E8A-50DA-4F81-9865-F29EE0E298A9@goldelico.com>
Date:   Thu, 22 Apr 2021 07:53:39 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     "Maciej W. Rozycki" <macro@...am.me.uk>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Huacai Chen <chenhuacai@...nel.org>,
        Huacai Chen <chenhuacai@...ngson.cn>,
        Jiaxun Yang <jiaxun.yang@...goat.com>,
        linux-arch@...r.kernel.org,
        linux-mips <linux-mips@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/4] Reinstate and improve MIPS `do_div' implementation

Hi,

> Am 21.04.2021 um 21:04 schrieb Maciej W. Rozycki <macro@...am.me.uk>:
> 
> On Wed, 21 Apr 2021, H. Nikolaus Schaller wrote:
> 
>>> In the end I have included four patches on this occasion: 1/4 is the test 
>>> module, 2/4 is an inline documentation fix/clarification for the `do_div' 
>>> wrapper, 3/4 enables the MIPS `__div64_32' backend and 4/4 adds a small 
>>> performance improvement to it.
>> 
>> How can I apply them to the kernel? There is something wrong which makes
>> git am fail.
> 
> I don't know.  The changes were made against vanilla 5.12-rc7, but then 
> the pieces affected have not changed for ages.  FWIW I can `git am' the 
> series as received back just fine.

Please can you point me to some download/pull/gitweb? It seems as if the series
also did not appear at https://patchwork.kernel.org/project/linux-mips/list/

> 
>>> These changes have been verified with a DECstation system with an R3400 
>>> MIPS I processor @40MHz and a MTI Malta system with a 5Kc MIPS64 processor 
>>> @160MHz.
>> 
>> I'd like to test on ~320 MHz JZ4730.
> 
> Sure, I'd love to hear how this code performs with other implementations.  
> 
>  Maciej

BR and thanks,
Nikolaus Schaller