linux-kernel - Re: linux-next: Tree for Aug 27

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Message-ID: <20140828104830.4447c5e5@canb.auug.org.au>
Date:	Thu, 28 Aug 2014 10:48:30 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Guenter Roeck <linux@...ck-us.net>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Laura Abbott <lauraa@...eaurora.org>
Subject: Re: linux-next: Tree for Aug 27

Hi all,

On Wed, 27 Aug 2014 16:58:09 -0700 Guenter Roeck <linux@...ck-us.net> wrote:
>
> I see a large number of build failures with this kernel.
> 
> drivers/base/dma-mapping.c: In function 'dma_common_contiguous_remap':
> drivers/base/dma-mapping.c:294:2: error: implicit declaration of function
> 'dma_common_pages_remap' [-Werror=implicit-function-declaration]
> drivers/base/dma-mapping.c:294:6: warning: assignment makes pointer from integer
> without a cast [enabled by default]
> drivers/base/dma-mapping.c: At top level:
> drivers/base/dma-mapping.c:305:7: error: conflicting types for
> 'dma_common_pages_remap'
> drivers/base/dma-mapping.c:294:8: note: previous implicit declaration of
> 'dma_common_pages_remap' was here
> cc1: some warnings being treated as errors
> make[2]: *** [drivers/base/dma-mapping.o] Error 1

Caused by commit fa44abcad042 ("common: dma-mapping: introduce common
remapping functions") from the akpm-current tree.  I will attempt to
revert that commit today, but I may need to also revert the following 2
commits as well:

arm: use genalloc for the atomic pool
arm64: add atomic pool for non-coherent and CMA allocations

though I am not sure.  Hopefully someone will let me know in the next
few hours ...

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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