linux-kernel - Re: "arm64: use asm-generic/dma-mapping.h" introduced a kbuild warning

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Date:   Fri, 20 Sep 2019 19:24:45 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Qian Cai <cai@....pw>
Cc:     Christoph Hellwig <hch@....de>, Will Deacon <will@...nel.org>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: "arm64: use asm-generic/dma-mapping.h" introduced a kbuild warning

Hi Qian,

On Thu, Sep 19, 2019 at 10:06 PM Qian Cai <cai@....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?

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



-- 
Best Regards
Masahiro Yamada