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| author | jake <jake@FreeBSD.org> | 2001-02-10 19:07:32 +0000 |
|---|---|---|
| committer | jake <jake@FreeBSD.org> | 2001-02-10 19:07:32 +0000 |
| commit | 8b17f4e83c52c12713463ff12095b71e062bec90 (patch) | |
| tree | 3a75ad35704a822508fad39122fe2bfa08362414 /sys/kern/kern_synch.c | |
| parent | c6a14de213ec9c7f67d95768ea571c6411cfc676 (diff) | |
| download | FreeBSD-src-8b17f4e83c52c12713463ff12095b71e062bec90.zip FreeBSD-src-8b17f4e83c52c12713463ff12095b71e062bec90.tar.gz | |
Acquire sched_lock around need_resched() in roundrobin() to satisfy
assertions that it is held. Since roundrobin() is a timeout there's
no possible way that it could be called with sched_lock held.
Diffstat (limited to 'sys/kern/kern_synch.c')
| -rw-r--r-- | sys/kern/kern_synch.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c index 8f54602..be0ba85 100644 --- a/sys/kern/kern_synch.c +++ b/sys/kern/kern_synch.c @@ -167,16 +167,12 @@ static void roundrobin(arg) void *arg; { -#ifndef SMP - struct proc *p = curproc; /* XXX */ -#endif - -#ifdef SMP + + mtx_lock_spin(&sched_lock); need_resched(); + mtx_unlock_spin(&sched_lock); +#ifdef SMP forward_roundrobin(); -#else - if (p == PCPU_GET(idleproc) || RTP_PRIO_NEED_RR(p->p_rtprio.type)) - need_resched(); #endif callout_reset(&roundrobin_callout, sched_quantum, roundrobin, NULL); |
