linux-kernel - Re: [PATCH 1/2] powerpc/vdso64: link vdso64 with linker

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Message-ID: <CAKwvOd=ZeJU+vLUk2P7FpX35haj7AC50B9Yps4pyoGCpd7ueTw@mail.gmail.com>
Date:   Wed, 2 Sep 2020 10:41:24 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Nicholas Piggin <npiggin@...il.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Christophe Leroy <christophe.leroy@....fr>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Kees Cook <keescook@...omium.org>,
        Fangrui Song <maskray@...gle.com>
Subject: Re: [PATCH 1/2] powerpc/vdso64: link vdso64 with linker

On Wed, Sep 2, 2020 at 5:14 AM Michael Ellerman <mpe@...erman.id.au> wrote:
>
> Nick Desaulniers <ndesaulniers@...gle.com> writes:
> > Fixes: commit f2af201002a8 ("powerpc/build: vdso linker warning for orphan sections")
>
> I think I'll just revert that for v5.9 ?

SGTM; you'll probably still want these changes with some modifications
at some point; vdso32 did have at least one orphaned section, and will
be important for hermetic builds.  Seeing crashes in supported
versions of the tools ties our hands at the moment.
-- 
Thanks,
~Nick Desaulniers