Hi Jens, >>> I don't assume signals wanted by userspace should potentially handled in an io_thread... >>> e.g. things set with fcntl(fd, F_SETSIG,) used together with F_SETLEASE? >> >> I guess we do actually need it, if we're not fiddling with >> wants_signal() for them. To quell Oleg's concerns, we can just move it >> to post dup_task_struct(), that should eliminate any race concerns >> there. > > If that one is racy, don' we better also want this one? > https://lore.kernel.org/io-uring/438b738c1e4827a7fdfe43087da88bbe17eedc72.1616197787.git.metze@xxxxxxxxx/T/#u > > And clear tsk->pf_io_worker ? As the workers don't clone other workers I guess it's fine to defer this to 5.13. metze
