On 03/17/2015 06:45 AM, Alex Williamson wrote:
On Fri, 2015-03-13 at 19:07 +1100, Alexey Kardashevskiy wrote:
The existing IOMMU requires VFIO_IOMMU_ENABLE call to enable actual use
of the container (i.e. call DMA map/unmap) and this is where we check
the rlimit for locked pages. It assumes that
On Fri, 2015-03-13 at 19:07 +1100, Alexey Kardashevskiy wrote:
> The existing IOMMU requires VFIO_IOMMU_ENABLE call to enable actual use
> of the container (i.e. call DMA map/unmap) and this is where we check
> the rlimit for locked pages. It assumes that only as much memory
> as a default DMA wind
The existing IOMMU requires VFIO_IOMMU_ENABLE call to enable actual use
of the container (i.e. call DMA map/unmap) and this is where we check
the rlimit for locked pages. It assumes that only as much memory
as a default DMA window can be mapped. Every DMA map/unmap request will
do pinning/unpinning
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