linux-kernel - Re: linux-next: build failure after merge of the amdgpu tree

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Message-ID: <_POw9ikafXoqSFqiOb8SZb_uvRZ4okgD4qrl4EtJ0UBiQTV7pwV3pJIM20eIzmpuFWDeBF9NPD00r72ttX0mZZ0bNeH_J44MoaB-jfjrQSU=@emersion.fr>
Date:   Fri, 08 Oct 2021 18:07:33 +0000
From:   Simon Ser <contact@...rsion.fr>
To:     Alex Deucher <alexdeucher@...il.com>,
        Christoph Hellwig <hch@....de>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the amdgpu tree

On Friday, October 8th, 2021 at 16:11, Alex Deucher <alexdeucher@...il.com> wrote:

> On Fri, Oct 8, 2021 at 5:22 AM Simon Ser contact@...rsion.fr wrote:
>
> > On Friday, October 8th, 2021 at 10:29, Stephen Rothwell sfr@...b.auug.org.au wrote:
> >
> > > That symbol (get_mm_exe_file) is not exported to modules.
> >
> > I see this:
> >
> >     EXPORT_SYMBOL(get_mm_exe_file);
> >
> >
> > in kernel/fork.c
>
> Was recently removed:
>
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/fork.c?id=05da8113c9ba63a8913e6c73dc06ed01cae55f68
>
> I guess we need to rethink that patch.

CC Christoph

Would it be reasonable to re-export get_mm_exe_file? amdgpu uses it here:

https://gitlab.freedesktop.org/agd5f/linux/-/commit/0d4da915c7098eca2aa6f559f42e33b5e9c7c5e8