Generally catch up with 5.0-rc1, and specifically get the changes:

96d4f267 ("Remove 'type' argument from access_ok() function")
0b2c8f8b ("i915: fix missing user_access_end() in page fault exception case")
594cc251 ("make 'user_access_begin()' do 'access_ok()'")
Signed-off-by: NJani Nikula <jani.nikula@intel.com>