on 04/04/2013 20:34 Andriy Gapon said the following: > This seems to work without problems or any warnings with WITNESS && > !WITNESS_SKIPSPIN, but it is very possible that I am not exercising all the > relevant code paths. > > P.S. Looking through history it seems that in r169391 intr_table_lock > was changed from a spinlock to a sx lock (later it was changed to the current > mutex). The commit message explains why spinlock was not needed, but it > doesn't > seem to say why it was unacceptable:
Hmm, looks like I missed the elephant. apic_free_vector is called with intr_table_lock held and it calls sched_bind(). I need to re-think all of think from the scratch... -- Andriy Gapon _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscr...@freebsd.org"
