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Date:	Tue, 06 Oct 2015 14:39:06 +1100
From:	Michael Ellerman <>
To:	kbuild test robot <>
Cc:	Nishanth Aravamudan <>,,
	Matthew Wilcox <>,
	Keith Busch <>,
	Benjamin Herrenschmidt <>,
	Paul Mackerras <>,
	Alexey Kardashevskiy <>,
	David Gibson <>,
	Christoph Hellwig <>,,,
Subject: Re: [PATCH 4/5 v2] pseries/iommu: implement DDW-aware

On Sat, 2015-10-03 at 04:33 +0800, kbuild test robot wrote:
> Hi Nishanth,
> [auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]
> config: powerpc-defconfig (attached as .config)
> reproduce:
>         wget -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=powerpc 
> All error/warnings (new ones prefixed by >>):
>    arch/powerpc/platforms/pseries/iommu.c: In function 'iommu_init_early_pSeries':
> >> arch/powerpc/platforms/pseries/iommu.c:1433:9: error: 'struct machdep_calls' has no member named 'dma_get_page_shift'
>       ppc_md.dma_get_page_shift = dma_get_page_shift_pSeriesLP;

It was added in patch 3/5, so I think this error is bogus. Unless there's a
typo I'm missing?


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