Hi Felix,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on next-20210331]
[cannot apply to drm-intel/for-linux-next drm-tip/drm-tip
drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next linus/master
drm/drm-next v5.12-rc5 v5.12-rc4 v5.12-rc3 v5.12-rc5]
[If yo
From: Philip Yang
When application explicitly call unmap or unmap from mmput when
application exit, driver will receive MMU_NOTIFY_UNMAP event to remove
svm range from process svms object tree and list first, unmap from GPUs
(in the following patch).
Split the svm ranges to handle partial unmapp
