Scott Long [EMAIL PROTECTED] wrote: <...> > Also, it's not so > much important which CPU gets the interrupt as it is which CPU runs the > ithread for that interrupt. I guess that you can get a little better > latency by preempting directly from the low-level interrupt handler into > the ithread, but I don't know if that is noticable noise above the cost > of the context switch and inevitable lock operations and contention > involved.
What do you mean by "preempting directly from the low-level interrupt handler into the ithread" ? Do you mean running the ithread directly in the context of the hardware interrupt until it does something where it needed to block? Do we do this now? Thanks, Drew _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"
