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path: root/arch/powerpc/platforms/cell/spufs/sched.c
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Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/sched.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 2deeeba7ecc..1c1b627ee84 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -641,8 +641,10 @@ static struct spu *find_victim(struct spu_context *ctx)
if (tmp && tmp->prio > ctx->prio &&
!(tmp->flags & SPU_CREATE_NOSCHED) &&
- (!victim || tmp->prio > victim->prio))
+ (!victim || tmp->prio > victim->prio)) {
victim = spu->ctx;
+ get_spu_context(victim);
+ }
}
mutex_unlock(&cbe_spu_info[node].list_mutex);
@@ -658,6 +660,7 @@ static struct spu *find_victim(struct spu_context *ctx)
* look at another context or give up after X retries.
*/
if (!mutex_trylock(&victim->state_mutex)) {
+ put_spu_context(victim);
victim = NULL;
goto restart;
}
@@ -670,6 +673,7 @@ static struct spu *find_victim(struct spu_context *ctx)
* restart the search.
*/
mutex_unlock(&victim->state_mutex);
+ put_spu_context(victim);
victim = NULL;
goto restart;
}
@@ -687,6 +691,7 @@ static struct spu *find_victim(struct spu_context *ctx)
spu_add_to_rq(victim);
mutex_unlock(&victim->state_mutex);
+ put_spu_context(victim);
return spu;
}
@@ -985,9 +990,11 @@ static int spusched_thread(void *unused)
struct spu_context *ctx = spu->ctx;
if (ctx) {
+ get_spu_context(ctx);
mutex_unlock(mtx);
spusched_tick(ctx);
mutex_lock(mtx);
+ put_spu_context(ctx);
}
}
mutex_unlock(mtx);
@@ -1030,7 +1037,7 @@ void spuctx_switch_state(struct spu_context *ctx,
node = spu->node;
if (old_state == SPU_UTIL_USER)
atomic_dec(&cbe_spu_info[node].busy_spus);
- if (new_state == SPU_UTIL_USER);
+ if (new_state == SPU_UTIL_USER)
atomic_inc(&cbe_spu_info[node].busy_spus);
}
}