linux-kernel - Re: [PATCH -next] treewide: Remove stringification from _

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Message-ID: <CAMj1kXFZteNourygxm1zEmW_sBgenpNZno0VefXd0W8GgWEPTQ@mail.gmail.com>
Date:   Wed, 21 Oct 2020 21:09:46 +0200
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>, X86 ML <x86@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Miguel Ojeda <miguel.ojeda.sandonis@...il.com>,
        Marco Elver <elver@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-efi <linux-efi@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>
Subject: Re: [PATCH -next] treewide: Remove stringification from __alias macro definition

On Wed, 21 Oct 2020 at 21:07, Joe Perches <joe@...ches.com> wrote:
>
> On Wed, 2020-10-21 at 21:02 +0200, Ard Biesheuvel wrote:
> > On Wed, 21 Oct 2020 at 20:58, Joe Perches <joe@...ches.com> wrote:
> > > Like the __section macro, the __alias macro uses
> > > macro # stringification to create quotes around
> > > the section name used in the __attribute__.
> > >
> > > Remove the stringification and add quotes or a
> > > stringification to the uses instead.
> > >
> >
> > Why?
>
> Using quotes in __section caused/causes differences
> between clang and gcc.
>
> https://lkml.org/lkml/2020/9/29/2187
>
> Using common styles for details like this is good.
>
>

Ah, fair enough.

With this rationale added to the commit log:

Acked-by: Ard Biesheuvel <ardb@...nel.org>