On 10/15/20 8:53 AM, Oleg Nesterov wrote: > On 10/15, Oleg Nesterov wrote: >> >> On 10/15, Jens Axboe wrote: >>> >>> That is indeed a worry. From a functionality point of view, with the >>> major archs supporting it, I'm not too worried about that side. But it >>> does mean that we'll be stuck with the ifdeffery forever, which isn't >>> great. >> >> plus we can't kill the ugly JOBCTL_TASK_WORK. > > not to mention we can not change freezer/livepatch to use NOTIFY_SIGNAL, > or add new users of set_notify_signal(). Yeah I know, there's a whole slew of cleanups and code removal that can happen after this series, once all archs are converted. See: https://git.kernel.dk/cgit/linux-block/log/?h=tif-task_work.arch which is all of that on top of this series. -- Jens Axboe