Re: 2.6.10-rc1-bk4 and kernel/futex.c:542

From: Michal Schmidt
Date: Tue Oct 26 2004 - 12:23:25 EST


Ingo Molnar wrote:
yeah, it definitely looks like there is some futex race that the
PREEMPT_REALTIME kernel triggers in no time. (this is because the
locking in the PREEMPT_REALTIME kernel is equivalent to an SMP system
with an infinite number of CPUs and will trigger the same races.)

Ingo

That's an interesting claim. I don't understand why it is equivalent. Could you please explain it?

Michal
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/