* "arm64: use asm-generic/dma-mapping.h" introduced a kbuild warning
@ 2019-09-19 13:06 Qian Cai
2019-09-20 10:24 ` Masahiro Yamada
0 siblings, 1 reply; 4+ messages in thread
From: Qian Cai @ 2019-09-19 13:06 UTC (permalink / raw)
To: Christoph Hellwig
Cc: Will Deacon, Stefano Stabellini, Masahiro Yamada, Michal Marek,
linux-kbuild, linux-arm-kernel, linux-kernel
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
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: "arm64: use asm-generic/dma-mapping.h" introduced a kbuild warning
2019-09-19 13:06 "arm64: use asm-generic/dma-mapping.h" introduced a kbuild warning Qian Cai
@ 2019-09-20 10:24 ` Masahiro Yamada
2019-09-20 13:18 ` Qian Cai
0 siblings, 1 reply; 4+ messages in thread
From: Masahiro Yamada @ 2019-09-20 10:24 UTC (permalink / raw)
To: Qian Cai
Cc: Christoph Hellwig, Will Deacon, Stefano Stabellini, Michal Marek,
Linux Kbuild mailing list, linux-arm-kernel,
Linux Kernel Mailing List
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?
I tried the latest Linus tree (, which contains 5489c8e0cf03),
but I did not see this warning.
--
Best Regards
Masahiro Yamada
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: "arm64: use asm-generic/dma-mapping.h" introduced a kbuild warning
2019-09-20 10:24 ` Masahiro Yamada
@ 2019-09-20 13:18 ` Qian Cai
2019-09-20 13:42 ` Robin Murphy
0 siblings, 1 reply; 4+ messages in thread
From: Qian Cai @ 2019-09-20 13:18 UTC (permalink / raw)
To: Masahiro Yamada
Cc: Christoph Hellwig, Will Deacon, Stefano Stabellini, Michal Marek,
Linux Kbuild mailing list, linux-arm-kernel,
Linux Kernel Mailing List
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.
>
>
>
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: "arm64: use asm-generic/dma-mapping.h" introduced a kbuild warning
2019-09-20 13:18 ` Qian Cai
@ 2019-09-20 13:42 ` Robin Murphy
0 siblings, 0 replies; 4+ messages in thread
From: Robin Murphy @ 2019-09-20 13:42 UTC (permalink / raw)
To: Qian Cai, Masahiro Yamada
Cc: Michal Marek, Linux Kbuild mailing list,
Linux Kernel Mailing List, Stefano Stabellini, Will Deacon,
Christoph Hellwig, linux-arm-kernel
On 20/09/2019 14:18, Qian Cai wrote:
> 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.
There was a conflict in dma-mapping.h between the arm64 tree and the
dma-mapping tree (where that commit deleted it) - looks like -next must
have just resolved it the wrong way that day.
Robin.
> [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.
>>
>>
>>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2019-09-20 13:42 UTC | newest]
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2019-09-19 13:06 "arm64: use asm-generic/dma-mapping.h" introduced a kbuild warning Qian Cai
2019-09-20 10:24 ` Masahiro Yamada
2019-09-20 13:18 ` Qian Cai
2019-09-20 13:42 ` Robin Murphy
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