[POWERPC] spufs: Don't yield nosched context

Nosched context sould never be scheduled out, thus we must not
deactivate them in spu_yield ever.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Christoph Hellwig 2007-06-05 11:25:59 +10:00 committed by Paul Mackerras
parent d30ac1242b
commit e5c0b9ec53

View File

@ -430,9 +430,11 @@ void spu_deactivate(struct spu_context *ctx)
*/ */
void spu_yield(struct spu_context *ctx) void spu_yield(struct spu_context *ctx)
{ {
mutex_lock(&ctx->state_mutex); if (!(ctx->flags & SPU_CREATE_NOSCHED)) {
__spu_deactivate(ctx, 0, MAX_PRIO); mutex_lock(&ctx->state_mutex);
mutex_unlock(&ctx->state_mutex); __spu_deactivate(ctx, 0, MAX_PRIO);
mutex_unlock(&ctx->state_mutex);
}
} }
void spu_sched_tick(struct work_struct *work) void spu_sched_tick(struct work_struct *work)