On Fri, Aug 22 2025 at 11:57, Christophe Leroy wrote: > Allthough masked_user_access_begin() is to only be used when reading > data from user at the moment, introduce masked_user_read_access_begin() > and masked_user_write_access_begin() in order to match > user_read_access_begin() and user_write_access_begin(). > > That means masked_user_read_access_begin() is used when user memory is > exclusively read during the window, masked_user_write_access_begin() > is used when user memory is exclusively writen during the window, > masked_user_access_begin() remains and is used when both reads and > writes are performed during the open window. Each of them is expected > to be terminated by the matching user_read_access_end(), > user_write_access_end() and user_access_end(). > > Have them default to masked_user_access_begin() when they are > not defined.
Have you seen: https://lore.kernel.org/all/20250813151939.601040...@linutronix.de