diff options
| author |   Jeremy Fitzhardinge <jeremy@goop.org> | 2008-12-16 12:17:36 -0800 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-12-17 18:58:19 +0100 |
| commit | cfb80c9eae8c7ed8f2ee81090062d15ead51cbe8 (patch) | |
| tree | 8343c02e8599f0e038cc9c0b303854193fb38e37 /arch/x86/kernel/pci-dma.c | |
| parent | x86: add swiotlb allocation functions (diff) | |
| download | linux-dev-cfb80c9eae8c7ed8f2ee81090062d15ead51cbe8.tar.xz linux-dev-cfb80c9eae8c7ed8f2ee81090062d15ead51cbe8.zip | |
x86: unify pci iommu setup and allow swiotlb to compile for 32 bit
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>
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
| -rw-r--r-- | arch/x86/kernel/pci-dma.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index e150ad4f0ccc..00e07447a5bd 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -105,11 +105,15 @@ static void __init dma32_free_bootmem(void) dma32_bootmem_ptr = NULL; dma32_bootmem_size = 0; } +#endif void __init pci_iommu_alloc(void) { +#ifdef CONFIG_X86_64 /* free the range so iommu could get some range less than 4G */ dma32_free_bootmem(); +#endif + /* * The order of these functions is important for * fall-back/fail-over reasons @@ -125,8 +129,6 @@ void __init pci_iommu_alloc(void) pci_swiotlb_init(); } -#endif - void *dma_generic_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr, gfp_t flag) { |