userptr invalidation in fault mode racey
Invalidating the VMA (xe_vm_invalidate_vma, userptr invalidation) can race with initial bind, unbinds, and rebinds in fault handler. Fix this and document these races.
Edited by Matthew Brost
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Invalidating the VMA (xe_vm_invalidate_vma, userptr invalidation) can race with initial bind, unbinds, and rebinds in fault handler. Fix this and document these races.