[lkml]   [2009]   [Nov]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    Patch in this message
    SubjectRe: [PATCH v2 0/9] x86: handle HW IOMMU initialization failure gracefully
    On Tue, 10 Nov 2009 12:55:55 +0100
    Ingo Molnar <> 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 */
    + dma_ops = &nommu_dma_ops;
    if (use_swiotlb)

     \ /
      Last update: 2009-11-10 13:39    [W:0.021 / U:0.512 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site