diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/sched.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 003e330fc76..5149dff65c9 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -97,7 +97,7 @@ void spu_sched_tick(struct work_struct *work) struct spu_context *ctx = container_of(work, struct spu_context, sched_work.work); struct spu *spu; - int rearm = 1; + int preempted = 0; /* * If this context is being stopped avoid rescheduling from the @@ -113,12 +113,19 @@ void spu_sched_tick(struct work_struct *work) int best = sched_find_first_bit(spu_prio->bitmap); if (best <= ctx->prio) { spu_deactivate(ctx); - rearm = 0; + preempted = 1; } } mutex_unlock(&ctx->state_mutex); - if (rearm) + if (preempted) { + /* + * We need to break out of the wait loop in spu_run manually + * to ensure this context gets put on the runqueue again + * ASAP. + */ + wake_up(&ctx->stop_wq); + } else spu_start_tick(ctx); } |