diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/sched.c')
-rw-r--r-- | arch/powerpc/platforms/cell/spufs/sched.c | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c index 2f25e68b4bac..39823cec0844 100644 --- a/arch/powerpc/platforms/cell/spufs/sched.c +++ b/arch/powerpc/platforms/cell/spufs/sched.c | |||
@@ -127,14 +127,6 @@ static void spu_remove_from_active_list(struct spu *spu) | |||
127 | mutex_unlock(&spu_prio->active_mutex[node]); | 127 | mutex_unlock(&spu_prio->active_mutex[node]); |
128 | } | 128 | } |
129 | 129 | ||
130 | static inline void mm_needs_global_tlbie(struct mm_struct *mm) | ||
131 | { | ||
132 | int nr = (NR_CPUS > 1) ? NR_CPUS : NR_CPUS + 1; | ||
133 | |||
134 | /* Global TLBIE broadcast required with SPEs. */ | ||
135 | __cpus_setall(&mm->cpu_vm_mask, nr); | ||
136 | } | ||
137 | |||
138 | static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier); | 130 | static BLOCKING_NOTIFIER_HEAD(spu_switch_notifier); |
139 | 131 | ||
140 | static void spu_switch_notify(struct spu *spu, struct spu_context *ctx) | 132 | static void spu_switch_notify(struct spu *spu, struct spu_context *ctx) |
@@ -167,8 +159,7 @@ static void spu_bind_context(struct spu *spu, struct spu_context *ctx) | |||
167 | ctx->spu = spu; | 159 | ctx->spu = spu; |
168 | ctx->ops = &spu_hw_ops; | 160 | ctx->ops = &spu_hw_ops; |
169 | spu->pid = current->pid; | 161 | spu->pid = current->pid; |
170 | spu->mm = ctx->owner; | 162 | spu_associate_mm(spu, ctx->owner); |
171 | mm_needs_global_tlbie(spu->mm); | ||
172 | spu->ibox_callback = spufs_ibox_callback; | 163 | spu->ibox_callback = spufs_ibox_callback; |
173 | spu->wbox_callback = spufs_wbox_callback; | 164 | spu->wbox_callback = spufs_wbox_callback; |
174 | spu->stop_callback = spufs_stop_callback; | 165 | spu->stop_callback = spufs_stop_callback; |
@@ -205,7 +196,7 @@ static void spu_unbind_context(struct spu *spu, struct spu_context *ctx) | |||
205 | spu->stop_callback = NULL; | 196 | spu->stop_callback = NULL; |
206 | spu->mfc_callback = NULL; | 197 | spu->mfc_callback = NULL; |
207 | spu->dma_callback = NULL; | 198 | spu->dma_callback = NULL; |
208 | spu->mm = NULL; | 199 | spu_associate_mm(spu, NULL); |
209 | spu->pid = 0; | 200 | spu->pid = 0; |
210 | ctx->ops = &spu_backing_ops; | 201 | ctx->ops = &spu_backing_ops; |
211 | ctx->spu = NULL; | 202 | ctx->spu = NULL; |
@@ -263,7 +254,6 @@ static void spu_prio_wait(struct spu_context *ctx) | |||
263 | { | 254 | { |
264 | DEFINE_WAIT(wait); | 255 | DEFINE_WAIT(wait); |
265 | 256 | ||
266 | set_bit(SPU_SCHED_WAKE, &ctx->sched_flags); | ||
267 | prepare_to_wait_exclusive(&ctx->stop_wq, &wait, TASK_INTERRUPTIBLE); | 257 | prepare_to_wait_exclusive(&ctx->stop_wq, &wait, TASK_INTERRUPTIBLE); |
268 | if (!signal_pending(current)) { | 258 | if (!signal_pending(current)) { |
269 | mutex_unlock(&ctx->state_mutex); | 259 | mutex_unlock(&ctx->state_mutex); |
@@ -272,7 +262,6 @@ static void spu_prio_wait(struct spu_context *ctx) | |||
272 | } | 262 | } |
273 | __set_current_state(TASK_RUNNING); | 263 | __set_current_state(TASK_RUNNING); |
274 | remove_wait_queue(&ctx->stop_wq, &wait); | 264 | remove_wait_queue(&ctx->stop_wq, &wait); |
275 | clear_bit(SPU_SCHED_WAKE, &ctx->sched_flags); | ||
276 | } | 265 | } |
277 | 266 | ||
278 | /** | 267 | /** |
@@ -292,7 +281,7 @@ static void spu_reschedule(struct spu *spu) | |||
292 | best = sched_find_first_bit(spu_prio->bitmap); | 281 | best = sched_find_first_bit(spu_prio->bitmap); |
293 | if (best < MAX_PRIO) { | 282 | if (best < MAX_PRIO) { |
294 | struct spu_context *ctx = spu_grab_context(best); | 283 | struct spu_context *ctx = spu_grab_context(best); |
295 | if (ctx && test_bit(SPU_SCHED_WAKE, &ctx->sched_flags)) | 284 | if (ctx) |
296 | wake_up(&ctx->stop_wq); | 285 | wake_up(&ctx->stop_wq); |
297 | } | 286 | } |
298 | spin_unlock(&spu_prio->runq_lock); | 287 | spin_unlock(&spu_prio->runq_lock); |
@@ -414,8 +403,7 @@ int spu_activate(struct spu_context *ctx, unsigned long flags) | |||
414 | } | 403 | } |
415 | 404 | ||
416 | spu_add_to_rq(ctx); | 405 | spu_add_to_rq(ctx); |
417 | if (!(flags & SPU_ACTIVATE_NOWAKE)) | 406 | spu_prio_wait(ctx); |
418 | spu_prio_wait(ctx); | ||
419 | spu_del_from_rq(ctx); | 407 | spu_del_from_rq(ctx); |
420 | } while (!signal_pending(current)); | 408 | } while (!signal_pending(current)); |
421 | 409 | ||