Re: Alan Cox quote? (was: Re: accounting for threads)

Rusty Russell
2001-06-21T23:18:33Z

In message <Pine.GSO.4.21.0106201429150.26389-100000@weyl.math.psu.edu> you wri
te:
> In practice it's a BS. There is a lot of ways minor modifications of code
> could add a preemption point, so if you rely on the lack of such - expect
> major PITA.
>
> Yes, in theory SMP adds some extra fun. Practically, almost every "SMP"
> race found so far did not require SMP.

Disagree. A significant percentage of the netfilter bugs have been
SMP only (the whole thing is non-reentrant on UP).

Depends what part of the kernel you play in,
Rusty.
--
Premature optmztion is rt of all evl. --DK