linux-kernel - Re: [PATCH v4 4/5] MIPS: VDSO: Use $(LD) instead of $(CC) to link VDSO

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Date:   Sat, 2 May 2020 14:50:34 +0100 (BST)
From:   "Maciej W. Rozycki" <macro@...ux-mips.org>
To:     Nathan Chancellor <natechancellor@...il.com>
cc:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Masahiro Yamada <masahiroy@...nel.org>,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com, linux-kbuild@...r.kernel.org,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Fangrui Song <maskray@...gle.com>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Dmitry Golovin <dima@...ovin.in>,
        Sedat Dilek <sedat.dilek@...il.com>
Subject: Re: [PATCH v4 4/5] MIPS: VDSO: Use $(LD) instead of $(CC) to link
 VDSO

On Tue, 28 Apr 2020, Nathan Chancellor wrote:

> Before this patch, LD=ld.lld did nothing:
> 
> $ llvm-readelf -p.comment arch/mips/vdso/vdso.so.dbg | sed 's/(.*//'
> String dump of section '.comment':
> [     0] ClangBuiltLinux clang version 11.0.0

 What does it mean "did nothing", is `arch/mips/vdso/vdso.so.dbg.raw' not 
produced?  Where does `arch/mips/vdso/vdso.so.dbg' come from then?

  Maciej