linux-kernel - Re: linux-next: build warning after merge of the slave-dma tree

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Message-ID: <CAK8P3a0eOyD2iTFeLC1J95WMAwyzBJJ0S5nOb+Z_y9nUy=8=qg@mail.gmail.com>
Date:   Mon, 12 Aug 2019 11:14:08 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Vinod Koul <vkoul@...nel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the slave-dma tree

On Mon, Aug 12, 2019 at 9:14 AM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi all,
>
> After merging the slave-dma tree, today's linux-next build (arm
> multi_v7_defconfig) produced this warning:
>
> WARNING: "omap_dma_filter_fn" [vmlinux] is a static EXPORT_SYMBOL_GPL
> WARNING: "edma_filter_fn" [vmlinux] is a static EXPORT_SYMBOL
>
> Introduced by commits
>
>   9c71b9eb3cb2 ("dmaengine: omap-dma: make omap_dma_filter_fn private")
>   d2bfe7b5d182 ("dmaengine: edma: make edma_filter_fn private")

The warning is valid, I will send a fix.

I have never seen this message though, I guess the build system just introduced
a check for this? I don't see where this would come from in next-20190809
(only checking with grep, not actually trying to build right now).

      Arnd