On Monday, July 28, 2008 5:52 pm Stephen Rothwell wrote:
> Hi Jesse,
>
> Today's linux-next build (powerpc ppc64_defconfig) failed like this:
>
> arch/powerpc/kernel/iommu.c:54: error: static declaration of
> 'iommu_num_pages' follows non-static declaration
> include/linux/iommu-helper.h:11: error: previous declaration of
> 'iommu_num_pages' was here
>
> Caused by commit 3bc9f79ee1ddc913be0a6d3592036683ef8a3148 ("iommu: add
> iommu_num_pages helper function") which introduced a global version of a
> function that powerpc has a different version of. I am not sure that the
> two do the same thing - in fact they don't since powerpc can have a 64k
> page size and still need to use a 4k iommu pages. I applied the
> patch below (which I personally hate :-))
Hopefully my ppc machine will arrive soon and I can build & test boot things
so this won't happen in the future.
Joerg, what do you think here?
Thanks,
Jesse
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