linux-kernel - Re: [PATCH] x86/boot: kbuild: allow readelf executable to be specified

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Message-ID: <CAK7LNATA=OsFVY7D9T_5qCv=2MKc5o4wto8HCd=2qScDAyRrgg@mail.gmail.com>
Date:   Fri, 6 Dec 2019 01:35:00 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Dmitry Golovin <dima@...ovin.in>
Cc:     Nick Desaulniers <ndesaulniers@...gle.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        Bruce Ashfield <bruce.ashfield@...il.com>,
        Ross Philipson <ross.philipson@...cle.com>,
        Ross Burton <ross.burton@...el.com>,
        Chao Fan <fanc.fnst@...fujitsu.com>,
        Daniel Kiper <daniel.kiper@...cle.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        "tony.luck@...el.com" <tony.luck@...el.com>,
        "fenghua.yu@...el.com" <fenghua.yu@...el.com>,
        "linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>
Subject: Re: [PATCH] x86/boot: kbuild: allow readelf executable to be specified

On Thu, Dec 5, 2019 at 9:41 AM Dmitry Golovin <dima@...ovin.in> wrote:
>
> 05.12.2019, 01:18, "'Nick Desaulniers' via Clang Built Linux" <clang-built-linux@...glegroups.com>:
> >
> > Grepping the kernel sources for `READELF`, it looks like
> > arch/ia64/Makefile makes the same mistake. Would you mind fixing both
> > cases in the same patch (v2)? I'm also curious about it's use in
> > arch/ia64/scripts/unwcheck.py, and scripts/faddr2line. +ia64
> > maintainers and list.
> >
> > I think if you simply remove the assignment on line 17 of
> > arch/ia64/Makefile you should be fine.
>
> Perhaps something should be done to NM on line 16 of this file as well. Also
> found similar invocation of `objcopy` in arch/riscv/kernel/vdso/Makefile.
> I think IA64 and RISC-V changes should be made as separate commits.
>
> -- Dmitry

I am fine with either way.
I can take this patch, and also a one for IA64.

You can send a patch for arch/riscv/kernel/vdso/Makefile
to the riscv maintainer since it has no patch dependency.


-- 
Best Regards
Masahiro Yamada