Commit-ID: 273bee27fa9f79d94b78c83506016f2e41e78983 Gitweb: http://git.kernel.org/tip/273bee27fa9f79d94b78c83506016f2e41e78983 Author: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> AuthorDate: Wed, 25 Nov 2009 08:46:28 +0900 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Wed, 25 Nov 2009 10:12:51 +0100 x86: Fix iommu=soft boot option iommu=soft boot option forces the kernel to use swiotlb. ( This has the side-effect of enabling the swiotlb over the GART if this boot option is provided. This is the desired behavior of the swiotlb boot option and works like that for all other hw-IOMMU drivers. ) Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx> Cc: yinghai@xxxxxxxxxx LKML-Reference: <20091125084611O.fujita.tomonori@xxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- arch/x86/kernel/pci-swiotlb.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c index e36e71d..e3c0a66 100644 --- a/arch/x86/kernel/pci-swiotlb.c +++ b/arch/x86/kernel/pci-swiotlb.c @@ -50,6 +50,8 @@ static struct dma_map_ops swiotlb_dma_ops = { */ int __init pci_swiotlb_init(void) { + int use_swiotlb = swiotlb | swiotlb_force; + /* don't initialize swiotlb if iommu=off (no_iommu=1) */ #ifdef CONFIG_X86_64 if (!no_iommu && max_pfn > MAX_DMA32_PFN) @@ -63,5 +65,5 @@ int __init pci_swiotlb_init(void) dma_ops = &swiotlb_dma_ops; } - return swiotlb_force; + return use_swiotlb; } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html