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Subject: Re: [PATCH 0/4] Reinstate and improve MIPS `do_div' implementation
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From:   "H. Nikolaus Schaller" <hns@goldelico.com>
In-Reply-To: <alpine.DEB.2.21.2104211904490.44318@angie.orcam.me.uk>
Date:   Thu, 22 Apr 2021 07:53:39 +0200
Cc:     Arnd Bergmann <arnd@arndb.de>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        Huacai Chen <chenhuacai@kernel.org>,
        Huacai Chen <chenhuacai@loongson.cn>,
        Jiaxun Yang <jiaxun.yang@flygoat.com>,
        linux-arch@vger.kernel.org,
        linux-mips <linux-mips@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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References: <alpine.DEB.2.21.2104200044060.44318@angie.orcam.me.uk> <51BC7C74-68BF-4A8E-8CFB-DB4EBBC89706@goldelico.com> <alpine.DEB.2.21.2104211904490.44318@angie.orcam.me.uk>
To:     "Maciej W. Rozycki" <macro@orcam.me.uk>
Precedence: bulk

Hi,

> Am 21.04.2021 um 21:04 schrieb Maciej W. Rozycki <macro@orcam.me.uk>:
>=20
> On Wed, 21 Apr 2021, H. Nikolaus Schaller wrote:
>=20
>>> In the end I have included four patches on this occasion: 1/4 is the =
test=20
>>> module, 2/4 is an inline documentation fix/clarification for the =
`do_div'=20
>>> wrapper, 3/4 enables the MIPS `__div64_32' backend and 4/4 adds a =
small=20
>>> performance improvement to it.
>>=20
>> How can I apply them to the kernel? There is something wrong which =
makes
>> git am fail.
>=20
> I don't know.  The changes were made against vanilla 5.12-rc7, but =
then=20
> the pieces affected have not changed for ages.  FWIW I can `git am' =
the=20
> 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/

>=20
>>> These changes have been verified with a DECstation system with an =
R3400=20
>>> MIPS I processor @40MHz and a MTI Malta system with a 5Kc MIPS64 =
processor=20
>>> @160MHz.
>>=20
>> I'd like to test on ~320 MHz JZ4730.
>=20
> Sure, I'd love to hear how this code performs with other =
implementations. =20
>=20
>  Maciej

BR and thanks,
Nikolaus Schaller=