diff options
| author | Richard Braun <rbraun@sceen.net> | 2014-01-03 23:54:33 +0100 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2014-01-03 23:54:33 +0100 |
| commit | a07fad83320e5c1f8c1efe8a716a74731a852e99 (patch) | |
| tree | c990091fec942245bb2ca0cd717617462805a5a0 /kern/thread.c | |
| parent | b5a657f59cfc9ed0d892ec6f7b9d7e7e63cdea76 (diff) | |
kern/thread: increase the number of real-time priorities
Diffstat (limited to 'kern/thread.c')
| -rw-r--r-- | kern/thread.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kern/thread.c b/kern/thread.c index c52be951..1d679bb6 100644 --- a/kern/thread.c +++ b/kern/thread.c @@ -125,7 +125,7 @@ * Run queue properties for real-time threads. */ struct thread_rt_runq { - unsigned int bitmap; + unsigned long long bitmap; struct list threads[THREAD_SCHED_RT_PRIO_MAX + 1]; }; @@ -549,7 +549,7 @@ thread_sched_rt_add(struct thread_runq *runq, struct thread *thread) list_insert_tail(threads, &thread->rt_data.node); if (list_singular(threads)) - rt_runq->bitmap |= (1U << thread->rt_data.priority); + rt_runq->bitmap |= (1ULL << thread->rt_data.priority); if ((thread->sched_class == runq->current->sched_class) && (thread->rt_data.priority > runq->current->rt_data.priority)) @@ -567,7 +567,7 @@ thread_sched_rt_remove(struct thread_runq *runq, struct thread *thread) list_remove(&thread->rt_data.node); if (list_empty(threads)) - rt_runq->bitmap &= ~(1U << thread->rt_data.priority); + rt_runq->bitmap &= ~(1ULL << thread->rt_data.priority); } static void @@ -589,7 +589,7 @@ thread_sched_rt_get_next(struct thread_runq *runq) if (rt_runq->bitmap == 0) return NULL; - priority = THREAD_SCHED_RT_PRIO_MAX - __builtin_clz(rt_runq->bitmap); + priority = THREAD_SCHED_RT_PRIO_MAX - __builtin_clzll(rt_runq->bitmap); threads = &rt_runq->threads[priority]; assert(!list_empty(threads)); thread = list_first_entry(threads, struct thread, rt_data.node); @@ -1616,6 +1616,7 @@ thread_setup_balancer(struct thread_runq *runq) attr.task = NULL; attr.policy = THREAD_SCHED_POLICY_RR; attr.priority = THREAD_SCHED_RT_PRIO_MIN; + attr.priority = THREAD_SCHED_RT_PRIO_MAX; error = thread_create(&balancer, &attr, thread_balance, runq); cpumap_destroy(cpumap); |