[Xen-devel] Re: [PATCH 04 of 14] swiotlb: consistently use address_needs_mapping everywhere

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

FUJITA Tomonori wrote:
> On Tue, 16 Dec 2008 12:17:28 -0800
> Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
>
>   
> > Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
> > ---
> >  lib/swiotlb.c |   10 +++-------
> >  1 file changed, 3 insertions(+), 7 deletions(-)
> >     
> This patch is wrong.
>
> dma_mask and coherent_dma_mask represent different restrictions.
>
> You can't use coherent_dma_mask for alloc_coherent.
>   
OK.  It looks like this patch is just an (erroneous) cleanup, so we can 
drop it.
   J

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