RE: [Xen-merge] AMD64 dma-mapping

["Langsdorf, Mark" <mark.langsdorf@xxxxxxx>]

> On Tue, Jan 24, 2006 at 10:34:45PM +0200, Muli Ben-Yehuda wrote:
> > But that's using <asm/dma-mapping.h>, which theoretically should do 
> > the right thing.
> 
> The merge tree override the include path, to include  
> include/asm/mach-xen/ before include/
> 
> so <asm/dma-mapping.h> will be found in 
> include/asm/mach-xen/asm/dma-mapping.h instead of 
> include/asm/dma-mapping.h

Right, but that doesn't explain why even though my
ARCH=x86_64, I'm being redirected to asm-i386 instead
of asm-x86_64.  

Of course, the fact that asm-x86_64/mach-xen/asm/dma-mapping.h
consists solely of "#include <asm-i386/dma-mapping.h>"
does explain it.

Is there a particular reason that Xen merge doesn't want
to use lib/swiotlb.c and instead prefers 
arch/i386/kernel/swiotlb.c instead?

-Mark Langsdorf
AMD, Inc.



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