On Tue 2020-07-07 12:00:41, Colm MacCarthaigh wrote: > > > On 7 Jul 2020, at 9:37, Pavel Machek wrote: > > Please go through the thread and try to understand it. > > > > You'd need syscalls per get_randomness(), not per migration. > > I think one check per get_randomness() is sufficient, though putting it at > the end of the critical section rather than the beginning helps. Yeah, well, one syscall is still enough to make it useless. Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html