linux-kernel - Re: [PATCH 10/10] vmlinux.lds.h: remove old check for GCC 4.9

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Message-ID: <CAKwvOdk3NgvUWuBqkKh0RUiHCUO=1QHFeSykTq=U8gi2_6e4TA@mail.gmail.com>
Date:   Tue, 14 Sep 2021 08:21:16 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Joe Perches <joe@...ches.com>, Arnd Bergmann <arnd@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, llvm@...ts.linux.dev,
        linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH 10/10] vmlinux.lds.h: remove old check for GCC 4.9

On Fri, Sep 10, 2021 at 4:51 PM Nathan Chancellor <nathan@...nel.org> wrote:
>
> On 9/10/2021 4:40 PM, Nick Desaulniers wrote:
> > Now that GCC 5.1 is the minimally supported version of GCC, we can
> > effectively revert
> >
> > commit 85c2ce9104eb ("sched, vmlinux.lds: Increase STRUCT_ALIGNMENT to
> > 64 bytes for GCC-4.9")
> >
> > Cc: Peter Zijlstra <peterz@...radead.org>
> > Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>
> > ---
> >   include/asm-generic/vmlinux.lds.h | 4 ----
> >   1 file changed, 4 deletions(-)
> >
> > diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
> > index aa50bf2959fe..f2984af2b85b 100644
> > --- a/include/asm-generic/vmlinux.lds.h
> > +++ b/include/asm-generic/vmlinux.lds.h
> > @@ -116,11 +116,7 @@
> >    * GCC 4.5 and later have a 32 bytes section alignment for structures.
> >    * Except GCC 4.9, that feels the need to align on 64 bytes.
>
> Comment should be adjusted.

I thought it was still interesting. Perhaps one day it will be super irrelevant.
-- 
Thanks,
~Nick Desaulniers