linux-kernel - Re: Latest git build failure on s390

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Date:	Thu, 12 Aug 2010 11:03:37 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	Sachin Sant <sachinp@...ibm.com>, linux-s390@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-arch@...r.kernel.org
Subject: Re: Latest git build failure on s390 - dma_get_cache_alignment()

On Thu, Aug 12, 2010 at 10:07, Heiko Carstens <heiko.carstens@...ibm.com> wrote:
> On Thu, Aug 12, 2010 at 09:55:32AM +0200, Heiko Carstens wrote:
>> On Thu, Aug 12, 2010 at 01:10:01PM +0530, Sachin Sant wrote:
>> > Latest 2.6.35 git (2.6.35-git11 : 5af568cbd...) fails to build
>> > on s390 with following errors :
>> >
>> > arch/s390/mm/fault.c:396: warning: frame size of 'do_protection_exception' is 264 bytes
>> > In file included from include/linux/dmaengine.h:26,
>> >            from include/linux/skbuff.h:30,
>> >            from include/linux/icmpv6.h:82,
>> >            from include/linux/ipv6.h:220,
>> >            from include/net/ipv6.h:16,
>> >            from include/linux/sunrpc/clnt.h:25,
>> >            from include/linux/nfs_fs.h:48,
>> >            from init/do_mounts.c:20:
>> > include/linux/dma-mapping.h:145: error: static declaration of 'dma_get_cache_alignment' follows non-static declaration
>> > include/asm-generic/dma-mapping-broken.h:73: error: previous declaration of 'dma_get_cache_alignment' was here
>> > make[1]: *** [init/do_mounts.o] Error 1
>> > make[1]: *** Waiting for unfinished jobs....
>> > init/do_mounts_md.c: In function 'md_setup_drive':
>> > init/do_mounts_md.c:241: warning: frame size of 'md_setup_drive' is 496 bytes
>> > make: *** [init] Error 2
>> > make: *** Waiting for unfinished jobs....
>> >
>> > The code in question was last changed via following commit
>> >
>> > commit 4565f0170dfc849b3629c27d769db800467baa62
>> > dma-mapping: unify dma_get_cache_alignment implementations
>>
>> Cc'ing linux-arch since the original patch got posted there as well.

Seems Sun3 suffers from this as well:
http://kisskb.ellerman.id.au/kisskb/buildresult/3022174/

<std_rant>
Funny how these things never show up in linux-next...
</std_rant>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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