linux-kernel - Re: [PATCH 1/3] MIPS: ftrace: Fix N32 save registers

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Message-ID: <alpine.DEB.2.21.2102131609420.35623@angie.orcam.me.uk>
Date:   Sat, 13 Feb 2021 16:17:50 +0100 (CET)
From:   "Maciej W. Rozycki" <macro@...am.me.uk>
To:     Jiaxun Yang <jiaxun.yang@...goat.com>
cc:     Jinyang He <hejinyang@...ngson.cn>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>,
        Wu Zhangjin <wuzhangjin@...il.com>,
        "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
        linux-kernel@...r.kernel.org, Huacai Chen <chenhuacai@...nel.org>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>
Subject: Re: [PATCH 1/3] MIPS: ftrace: Fix N32 save registers

On Mon, 1 Feb 2021, Jiaxun Yang wrote:

> > Thank you for your reply, and now I know. Before that, I saw the macro
> > from arch/mips/include/asm/regdef.h and thought it needed to be modified
> > here. But that seems have no sence.
> > Please ignore this patch.
> 
> I guess that's for uapi consideration.

 Nope, it's not under arch/mips/include/uapi/, but this is a common MIPS 
header used across many projects (see the copyright notices at the top 
going back to 1985), so there has been no sense to make Linux-specific 
changes to it just for the sake of it given that it works as it stands.  
Don't fix what ain't broke.  Don't make changes just because you can.

  Maciej