Bug in ksched_setscheduler?
jhb at freebsd.org
Thu Jun 2 14:47:11 UTC 2011
On Wednesday, June 01, 2011 12:42:42 pm Dmitry Krivenok wrote:
> Hello Hackers,
> I think I found a bug in ksched_setscheduler() function.
> 209 rtp.prio = p4prio_to_rtpprio(param->sched_priority);
> Shouldn't we use p4prio_to_tsprio instead of p4prio_to_rtpprio at the line 209?
> This macro is defined but never used in kernel code:
> $ grep -r 'p4prio_to_tsprio' /usr/src/sys/
> /usr/src/sys/kern/ksched.c:#define p4prio_to_tsprio(P)
> ((PRI_MAX_TIMESHARE - PRI_MIN_TIMESHARE) - (P))
> Is it a real bug or just my misunderstanding of something?
I think it is a real bug. Can you come up with a test case to show it?
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