linux-kernel - Re: [PATCH v2 2/6] lib/zstd/mem.h: replace _

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Date:   Thu, 5 Sep 2019 11:28:49 +0200
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>, Nadav Amit <namit@...are.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Joe Perches <joe@...ches.com>
Subject: Re: [PATCH v2 2/6] lib/zstd/mem.h: replace __inline by inline

On 05/09/2019 02.07, Miguel Ojeda wrote:
> On Thu, Sep 5, 2019 at 2:00 AM Nick Desaulniers <ndesaulniers@...gle.com> wrote:
>>
>> While you're here, would you mind replacing `__attribute__((unused))`
>> with `__unused`?  I would consider "naked attributes" (haven't been
>> feature tested in include/linux/compiler_attributes.h and are verbose)
>> to be an antipattern.
> 
> +1 We should aim to avoid them entirely where possible.
> 
> We have __always_unused and __maybe_unused, please choose whatever
> fits best (both map to "unused", we don't have __unused).

Well, I agree in principle, but was trying to keep this minimal. FTR, if
anything, I think the __attribute__((unused)) should simply be removed
since it's implied by our (re)definition of inline/__inline/__inline__.

Rasmus