linux-kernel - Re: [PATCH] powerpc/build: vdso linker warning for orphan sections

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Message-ID: <871qh5jrz2.fsf@mail.lhotse>
Date:   Tue, 18 Jul 2023 22:59:13 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     John Ogness <john.ogness@...utronix.de>,
        Nicholas Piggin <npiggin@...il.com>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/build: vdso linker warning for orphan sections

John Ogness <john.ogness@...utronix.de> writes:
> Hi Nicholas,
>
> On 2023-06-09, Nicholas Piggin <npiggin@...il.com> wrote:
>> Add --orphan-handlin for vdsos, and adjust vdso linker scripts to deal
>> with orphan sections.
>
> I'm reporting that I am getting a linker warning with 6.5-rc2. The
> warning message is:
>
> ld: warning: discarding dynamic section .rela.opd
>
> and bisects to:
>
> 8ad57add77d3 ("powerpc/build: vdso linker warning for orphan sections")
>
> Despite the warning, my ppc64 system seems to run fine. Let me know if
> you need any other information from me.

We already discard .opd and .rela*, so I guess we should also be
discarding .rela.opd.

Can you test with a newer compiler/binutils?

cheers