On 08/01, Christian Brauner wrote: > > On Thu, Aug 01, 2024 at 10:01:20AM GMT, Oleg Nesterov wrote: > > OK, I won't argue, but .... > > > > > you may or may not get notified > > > via poll when a kthread exits. > > > > Why? the exiting kthread should not differ in this respect? > > Why do you want to allow it? Again, I didn't try to "nack" your patch. Just tried to understand your motivation. And "may not get notified" above doesn't look right to me... > > /proc/$pid/status has a "Kthread" field... > > Going forward, I don't want to force people to parse basic stuff out of > procfs. Ideally, they'll be able to mostly rely on pidfd operations > only. Agreed. Oleg.