On Wed, Jan 09, 2019 at 12:22:25PM -0700, Logan Gunthorpe wrote:
> Hey,
>
> I'm resending this because I've recently found out that the change we
> made to use the NTB struct device in DMA allocations is wrong and
> needs to be reverted. Turns out that, when running with an IOMMU,
>
On 2019-01-09 12:32 p.m., Dave Jiang wrote:
>> I'm resending this because I've recently found out that the change we
>> made to use the NTB struct device in DMA allocations is wrong and
>> needs to be reverted. Turns out that, when running with an IOMMU,
>> dma_alloc_coherent() will always fail
On 1/9/19 12:22 PM, Logan Gunthorpe wrote:
> Hey,
>
> I'm resending this because I've recently found out that the change we
> made to use the NTB struct device in DMA allocations is wrong and
> needs to be reverted. Turns out that, when running with an IOMMU,
> dma_alloc_coherent() will always
Hey,
I'm resending this because I've recently found out that the change we
made to use the NTB struct device in DMA allocations is wrong and
needs to be reverted. Turns out that, when running with an IOMMU,
dma_alloc_coherent() will always fail if you pass it the NTB struct
device. This is
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