Re: [PATCH] Intel x86-64 support merge

[H. Peter Anvin]

Followup to:  <1077139308.4479.8.camel@xxxxxxxxxxxxxxxxx>
By author:    Arjan van de Ven <arjan@xxxxxxxxxxxxxxx>
In newsgroup: linux.dev.kernel
>
> On Wed, 2004-02-18 at 20:44, Linux Kernel Mailing List wrote:
> 
> > 	The ugliest part is probably the swiotlb code.  In fact the code for
> > 	that is not even included, but just reused from IA64.  swiotlb
> > 	implements the PCI DMA API using bounce buffering.  I don't like this at
> > 	all, but there was no other way to support non DAC capable hardware
> > 	(like IDE or USB) on machines with >3GB.  Please redirect all flames for
> > 	that to the Intel chipset designers.
> 
> ehm... so why on earth did Intel cripple this new platform?????
> 

Because they were caught by surprise and just hacked the chips they
had in the pipeline, presumably.

	-hpa
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