On Monday 17 April 2006 14:20, John Baldwin wrote: > jhb 2006-04-17 18:20:38 UTC > > FreeBSD src repository > > Modified files: > sys/dev/hwpmc hwpmc_mod.c > sys/dev/random randomdev_soft.c > sys/kern kern_intr.c kern_poll.c kern_synch.c > kern_thr.c kern_umtx.c sched_4bsd.c > subr_taskqueue.c uipc_mqueue.c > sys/vm vm_zeroidle.c > Log: > Change msleep() and tsleep() to not alter the calling thread's priority > if the specified priority is zero. This avoids a race where the calling > thread could read a snapshot of it's current priority, then a different > thread could change the first thread's priority, then the original thread > would call sched_prio() inside msleep() undoing the change made by the > second thread. I used a priority of zero as no thread that calls msleep() > or tsleep() should be specifying a priority of zero anyway. > > The various places that passed 'curthread->td_priority' or some variant > as the priority now pass 0.
This should fix the problem where the first acpi taskq would run with a bogus priority (the sched_prio() when creating the taskqueue seemed to be ignored). -- John Baldwin <[EMAIL PROTECTED]> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org _______________________________________________ cvs-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/cvs-all To unsubscribe, send any mail to "[EMAIL PROTECTED]"
