On Tue, Mar 08, 2022 at 10:34:28PM +0800, Yajun Deng wrote: > The two members create_user_ah and create_ah in struct ib_device_ops > are very similar. we can use create_ah for all case. so get rid of > create_user_ah. 1. Please read commit message and content of commit 676a80adba01 ("RDMA: Remove AH from uverbs_cmd_mask") that added that .create_user_ah() callback. 2. You should send patches as a series that is threaded and not as stand-alone patches. Thanks