x86: add swiotlb allocation functions

Add x86-specific swiotlb allocation functions.  These are purely
default for the moment.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jeremy Fitzhardinge 2008-12-16 12:17:35 -08:00 • committed by Ingo Molnar
commit 8ce7996009