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Don't keep evaluating our own cpu mask..

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it's not likely to have changed....
This commit is contained in:
Julian Elischer 2004-08-13 00:57:43 +00:00
parent 9a9472afd9
commit c00661f83c
1 changed files with 3 additions and 2 deletions
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5
sys/kern/subr_smp.c
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@ -172,7 +172,7 @@ forward_roundrobin(void)
{ {
struct pcpu *pc; struct pcpu *pc;
struct thread *td; struct thread *td;
cpumask_t id, map; cpumask_t id, map, me;
mtx_assert(&sched_lock, MA_OWNED); mtx_assert(&sched_lock, MA_OWNED);
@ -183,10 +183,11 @@ forward_roundrobin(void)
if (!forward_roundrobin_enabled) if (!forward_roundrobin_enabled)
return; return;
map = 0; map = 0;
me = PCPU_GET(cpumask);
SLIST_FOREACH(pc, &cpuhead, pc_allcpu) { SLIST_FOREACH(pc, &cpuhead, pc_allcpu) {
td = pc->pc_curthread; td = pc->pc_curthread;
id = pc->pc_cpumask; id = pc->pc_cpumask;
if (id != PCPU_GET(cpumask) && (id & stopped_cpus) == 0 && if (id != me && (id & stopped_cpus) == 0 &&
td != pc->pc_idlethread) { td != pc->pc_idlethread) {
td->td_flags |= TDF_NEEDRESCHED; td->td_flags |= TDF_NEEDRESCHED;
map |= id; map |= id;