Am 13.11.22 um 13:42 schrieb Dawei Li:
Both find_vma() and get_user_pages() need explicit protection of
mmap lock, fix them by mmap_lock and get_user_pages_fast().
NAK, the MM read lock should already be taken when we reach this function.
Could be that this is buggy and the function is called
Both find_vma() and get_user_pages() need explicit protection of
mmap lock, fix them by mmap_lock and get_user_pages_fast().
Fixes: ddd00e33e17a ("drm/radeon: add userptr flag to limit it to anonymous
memory v2")
Fixes: f72a113a71ab ("drm/radeon: add userptr support v8")
Signed-off-by: Dawei Li
