linux-kernel - Re: crypto/async_tx/* doesn't build on s390

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Message-ID: <20080131182646.195990f7@gondolin.boeblingen.de.ibm.com>
Date:	Thu, 31 Jan 2008 18:26:46 +0100
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	NeilBrown <neilb@...e.de>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: crypto/async_tx/* doesn't build on s390

On Thu, 31 Jan 2008 15:50:58 +0100,
Heiko Carstens <heiko.carstens@...ibm.com> wrote:

> I get the following:
> 
> crypto/built-in.o: In function `do_async_xor':
> async_xor.c:49: undefined reference to `dma_map_page'
> async_xor.c:56: undefined reference to `dma_map_page'
> 
> This is mainly because s390 doesn't support DMA at all,
> but these files get selected via MD_RAID456 anyway.

deja-vu: http://marc.info/?l=linux-kernel&m=118056140212764&w=2

and indeed, async_memcpy.c doesn't seem to suffer from this affliction.
async_xor.c needs a similar treatment; maybe async_memset.c as well
(didn't check).

(No, I didn't actually look at the code :))
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