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A comment on Free user space for non-graphics drivers. Parent comment

Re:Free user space for non-graphics drivers by bonzini on Sunday June 07, 2020 @07:47AM (#23446699)
Even if nVidia's driver has a more lightweight abstraction compared to Intel's, and puts more stuff in userspace, that is not particularly relevant in my opinion: mdev only sits between host and guest driver and by design the host driver only emulates the bare minimum and multiplexes hardware resources instead. What happens in the guest between the driver and userspace does not matter to mdev.
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Re:Free user space for non-graphics drivers by monocasa on Monday June 08, 2020 @04:16PM (#23460293)
It is relevant, because NVidia's binary driver looks like WDDM on every platform.

And Intel needs something like this either way because their hardware arch is different, and their GPU is heavily integrated with the main IOMMU.

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