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Subject: Re: "arm64: use asm-generic/dma-mapping.h" introduced a kbuild
 warning
From:   Qian Cai <cai@lca.pw>
To:     Masahiro Yamada <yamada.masahiro@socionext.com>
Cc:     Christoph Hellwig <hch@lst.de>, Will Deacon <will@kernel.org>,
        Stefano Stabellini <sstabellini@kernel.org>,
        Michal Marek <michal.lkml@markovi.net>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Date:   Fri, 20 Sep 2019 09:18:35 -0400
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On Fri, 2019-09-20 at 19:24 +0900, Masahiro Yamada wrote:
> Hi Qian,
> 
> On Thu, Sep 19, 2019 at 10:06 PM Qian Cai <cai@lca.pw> wrote:
> > 
> > The commit 5489c8e0cf03 ("arm64: use asm-generic/dma-mapping.h") introduced a
> > kbuild warning,
> > 
> > scripts/Makefile.asm-generic:25: redundant generic-y found in
> > arch/arm64/include/asm/Kbuild: dma-mapping.h
> > 
> > 
> 
> Which tree did you test?

It was yesterday's linux-next (next-20190918) with this config [1], but it seems
gone in today's linux-next.

[1] https://raw.githubusercontent.com/cailca/linux-mm/master/arm64.config

> 
> I tried the latest Linus tree (, which contains 5489c8e0cf03),
> but I did not see this warning.
> 
> 
>