Re: [PATCH 0/4] Reinstate and improve MIPS `do_div' implementation
From: H. Nikolaus Schaller
Date: Thu Apr 22 2021 - 01:56:52 EST
Hi,
> Am 21.04.2021 um 21:04 schrieb Maciej W. Rozycki <macro@xxxxxxxxxxx>:
>
> 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