* Shuah Khan <[email protected]> wrote:
> When dma_ops are initialized the unity mappings are created. The
> init_device_table_dma() function makes sure DMA from all devices is
> blocked by default. This opens a short window in time where DMA to
> unity mapped regions is blocked by the IOMMU. Make sure this does not
> happen by initializing the device table after dma_ops.
>
> Reference: http://www.gossamer-threads.com/lists/linux/kernel/1670769
>
> Signed-off-by: Shuah Khan <[email protected]>
> CC: [email protected] 3.0
> ---
> arch/x86/kernel/amd_iommu_init.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
That file does not exist anymore, it died 2.5+ years ago:
403f81d8ee53 iommu/amd: Move missing parts to drivers/iommu
Thanks,
Ingo
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