On 15/01/2020 22:20, Jason Gunthorpe wrote: > The set of entry->driver_removed is missing locking, protect it with > xa_lock() which is held by the only reader. > > Otherwise readers may continue to see driver_removed = false after > rdma_user_mmap_entry_remove() returns and may continue to try and > establish new mmaps. That's kind of an inherent race regardless, isn't it? LGTM, Reviewed-by: Gal Pressman <galpress@xxxxxxxxxx>
