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[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>
hifive-unleashed-5.1
Christoph Hellwig 2007-06-05 11:25:59 +10:00 committed by Paul Mackerras
parent d30ac1242b
commit e5c0b9ec53
1 changed files with 5 additions and 3 deletions
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8
arch/powerpc/platforms/cell/spufs/sched.c
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@ -430,9 +430,11 @@ void spu_deactivate(struct spu_context *ctx)
*/
void spu_yield(struct spu_context *ctx)
{
mutex_lock(&ctx->state_mutex);
__spu_deactivate(ctx, 0, MAX_PRIO);
mutex_unlock(&ctx->state_mutex);
if (!(ctx->flags & SPU_CREATE_NOSCHED)) {
mutex_lock(&ctx->state_mutex);
__spu_deactivate(ctx, 0, MAX_PRIO);
mutex_unlock(&ctx->state_mutex);
}
}
void spu_sched_tick(struct work_struct *work)