diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/sched.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/sched.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 6f8e2257c5a6..07d0d095c62a 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c @@ -247,8 +247,8 @@ static void spu_prio_wait(struct spu_context *ctx) { DEFINE_WAIT(wait); + set_bit(SPU_SCHED_WAKE, &ctx->sched_flags); prepare_to_wait_exclusive(&ctx->stop_wq, &wait, TASK_INTERRUPTIBLE); - if (!signal_pending(current)) { mutex_unlock(&ctx->state_mutex); schedule(); @@ -256,6 +256,7 @@ static void spu_prio_wait(struct spu_context *ctx) } __set_current_state(TASK_RUNNING); remove_wait_queue(&ctx->stop_wq, &wait); + clear_bit(SPU_SCHED_WAKE, &ctx->sched_flags); } /** @@ -275,7 +276,7 @@ static void spu_reschedule(struct spu *spu) best = sched_find_first_bit(spu_prio->bitmap); if (best < MAX_PRIO) { struct spu_context *ctx = spu_grab_context(best); - if (ctx) + if (ctx && test_bit(SPU_SCHED_WAKE, &ctx->sched_flags)) wake_up(&ctx->stop_wq); } spin_unlock(&spu_prio->runq_lock); @@ -315,7 +316,7 @@ static struct spu *spu_get_idle(struct spu_context *ctx) * add the context to the runqueue so it gets woken up once an spu * is available. */ -int spu_activate(struct spu_context *ctx, u64 flags) +int spu_activate(struct spu_context *ctx, unsigned long flags) { if (ctx->spu) @@ -331,7 +332,8 @@ int spu_activate(struct spu_context *ctx, u64 flags) } spu_add_to_rq(ctx); - spu_prio_wait(ctx); + if (!(flags & SPU_ACTIVATE_NOWAKE)) + spu_prio_wait(ctx); spu_del_from_rq(ctx); } while (!signal_pending(current)); |