[PATCH 00/34] Add HMM-based SVM memory manager to KFD v4

[Jason Gunthorpe]

On Mon, Apr 05, 2021 at 09:45:55PM -0400, Felix Kuehling wrote:
> Rebased on upstream. Dropped already upstream patch
> "drm/amdgpu: reserve fence slot to update page table".
> 
> Added more fixes:
> - Fixed kernel test robot warnings about static functions
> - Fixed a kernel test robot warning about an unused variable
> - Fixed a kernel test robot warning about select DEVICE_PRIVATE.
>   Using "depends on" now. (see patch 34)
> - Proportionally longer timeout for hmm_range_fault on large address ranges
>   (see patch 6)
> - Fixed PTE flags for XGMI mappings on Arcturus and Aldebaran (see patch 17)
> - Fixed range-list cleanup on process termination to avoid BUGs from dangling
>   interval notifiers (see patch 16)
> - Fixed SVM range locking and interval notifier sequence update
>   (see patch 8 and related tweaks in patches 10, 11, 21)
> 
> Added my Reviewed-by to all patches primarily authored by Philip and Alex.
> I believe this patch series is nearly ready to go.
> 
> This series and the corresponding ROCm Thunk and KFDTest changes are also
> available on gitub and patchwork.
> 
> Link: https://github.com/RadeonOpenCompute/ROCK-Kernel-Driver/tree/fxkamd/hmm-wip
> Link: https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/tree/fxkamd/hmm-wip
> Link: https://patchwork.freedesktop.org/series/85563/
> CC: Jérôme Glisse <jglisse at redhat.com>
> CC: Jason Gunthorpe <jgg at ziepe.ca>

This series is huge, but it looks like it still doesn't fix the
FIXME's around the AMD driver use of hmm.

Can you fix them before piling on more stuff?

Jaason