Messages in this thread Patch in this message | | | Date | Tue, 10 Nov 2009 21:35:17 +0900 | Subject | Re: [PATCH v2 0/9] x86: handle HW IOMMU initialization failure gracefully | From | FUJITA Tomonori <> |
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On Tue, 10 Nov 2009 12:55:55 +0100 Ingo Molnar <mingo@elte.hu> wrote:
> > hm, one of the swiotlb patches caused this bootup crash:
Sorry about that. I totally forgot about x86_32.
the following patch fixes this? Sorry that I'm away from the workplace and can't test it.
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index a234e63..63eebee 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -129,6 +129,8 @@ 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(); +#else + dma_ops = &nommu_dma_ops; #endif pci_swiotlb_init(); if (use_swiotlb)
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