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x86: unify pci iommu setup and allow swiotlb to compile for 32 bit

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swiotlb on 32 bit will be used by Xen domain 0 support.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
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 12:17:36 -08:00
committed by Ingo Molnar
parent 8ce7996009
commit cfb80c9eae
7 changed files with 14 additions and 5 deletions
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arch/x86/include/asm/pci_64.h
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@@ -23,7 +23,6 @@ extern int (*pci_config_write)(int seg, int bus, int dev, int fn,
int reg, int len, u32 value);
extern void dma32_reserve_bootmem(void);
extern void pci_iommu_alloc(void);
/* The PCI address space does equal the physical memory
* address space. The networking and block device layers use