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linux-next: build failure after merge of the iommu tree

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  linux-next: build failure after merge of the iommu tree Stephen Rothwell <sfr@canb.auug.org.au> - 2015-11-01 12:50 +0100
    Re: linux-next: build failure after merge of the iommu tree Joerg Roedel <joro@8bytes.org> - 2015-11-01 16:20 +0100
      Re: linux-next: build failure after merge of the iommu tree Magnus Damm <magnus.damm@gmail.com> - 2015-11-02 01:20 +0100

#1260150 — linux-next: build failure after merge of the iommu tree

Hi Joerg,

After merging the iommu tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/iommu/ipmmu-vmsa.c:24:27: fatal error: asm/dma-iommu.h: No such file or directory

Caused by commit

  bad78b13e305 ("iommu/ipmmu-vmsa: Drop LPAE Kconfig dependency")

Only arm has the include file ...

I have used the iommu tree from next-20151022 for today.

-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
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#1260181

Hi Stephen,

On Sun, Nov 01, 2015 at 10:42:52PM +1100, Stephen Rothwell wrote:
> After merging the iommu tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/iommu/ipmmu-vmsa.c:24:27: fatal error: asm/dma-iommu.h: No such file or directory
> 
> Caused by commit
> 
>   bad78b13e305 ("iommu/ipmmu-vmsa: Drop LPAE Kconfig dependency")
> 
> Only arm has the include file ...
> 
> I have used the iommu tree from next-20151022 for today.

Thanks, I reverted the broken commit and will push out an updated tree
soon.


	Joerg

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#1260271

Hi Joerg, everyone,

On Mon, Nov 2, 2015 at 12:14 AM, Joerg Roedel <joro@8bytes.org> wrote:
> Hi Stephen,
>
> On Sun, Nov 01, 2015 at 10:42:52PM +1100, Stephen Rothwell wrote:
>> After merging the iommu tree, today's linux-next build (x86_64
>> allmodconfig) failed like this:
>>
>> drivers/iommu/ipmmu-vmsa.c:24:27: fatal error: asm/dma-iommu.h: No such file or directory
>>
>> Caused by commit
>>
>>   bad78b13e305 ("iommu/ipmmu-vmsa: Drop LPAE Kconfig dependency")
>>
>> Only arm has the include file ...
>>
>> I have used the iommu tree from next-20151022 for today.
>
> Thanks, I reverted the broken commit and will push out an updated tree
> soon.

Thanks for your help and my apologies for the breakage. I did not
expect this patch to enable build on non-ARM platforms but I can now
understand that the LPAE Kconfig bits may have been the last bit
stopping other architectures to build this driver.

I'm currently poking around with this driver on 32/64-bit ARM and
getting rid of those includes from asm/ is for sure on my TODO list.

/ magnus
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