RE: 2.6.22-rc1-mm1 - s390 vs. md

From: Williams, Dan J
Date: Mon May 21 2007 - 04:52:48 EST


> From: Cornelia Huck [mailto:cornelia.huck@xxxxxxxxxx]
> On Fri, 18 May 2007 09:30:09 -0700,
> "Williams, Dan J" <dan.j.williams@xxxxxxxxx> wrote:
>
> > When CONFIG_DMA_ENGINE=n async_tx_find_channel takes the form:
> > ... async_tx_find_channel( ... )
> > {
> > return NULL;
> > }
> >
> > So in the S390 case the entire asynchronous path will be compiled
away.
>
> Unfortunately, do_async_xor() (and others) is not ifdef'ed and
contains
> dma_map_page(), which led to the compile failure...

Sorry, I did not realize dma_map_page did not exist on s390. I am
building an s390 cross compiler so I can clean up these errors.
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