Luigi Rizzo wrote: >as in the subject... i see that td->td_critnest (used to determine >whether a thread can be preempted or not) is manipulated using >plain ++ or -- instruction instead of the atomic_add_int(). > >I wonder if declaring it as volatile and possibly its >usage patterns are enough to make the two things equivalent >on all architectures. > > is td ever != curthread? >cheers >luigi >_______________________________________________ >freebsd-current_at_freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-current >To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" > >Received on Tue Dec 20 2005 - 18:04:10 UTC
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