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[POWERPC] spusched: No preemption for nosched contexts 

And last but not least we need to make sure the scheduler tick never
preempts a nosched context.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
hifive-unleashed-5.1
Christoph Hellwig 2007-06-29 10:57:58 +10:00 committed by Paul Mackerras
parent 46cbf93960
commit df09cf3e2c
1 changed files with 6 additions and 1 deletions
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7
arch/powerpc/platforms/cell/spufs/sched.c
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@ -522,7 +522,12 @@ void spu_yield(struct spu_context *ctx)
static void spusched_tick(struct spu_context *ctx)
{
if (ctx->policy == SCHED_FIFO || --ctx->time_slice)
if (ctx->flags & SPU_CREATE_NOSCHED)
return;
if (ctx->policy == SCHED_FIFO)
return;
if (--ctx->time_slice)
return;
/*