> I do not think if we do a ring buffer that events should be obtainable
> via a syscall at all. Rather, I think this system call should be
> purely "sleep until ring is not empty".
Mmm, yeah, of course. That's much simpler. I'm looking forward to
Evgeniy's next patch set.
> The ring buffer size, as Evgeniy also tried to describe, is bounded
> purely by the number of registered events.
Yeah. fwiw, fs/aio.c has this property today.
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