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authorChristoph Hellwig <hch@lst.de>2007-06-05 11:25:59 +1000
committerPaul Mackerras <paulus@samba.org>2007-06-07 11:44:40 +1000
commite5c0b9ec538a86433ddd725f675e0a5a2117b9ed (patch)
treeb1f8fba730e91daa42ff6910d7fdf2669115537d /arch/powerpc/platforms/cell/spufs/sched.c
parentd30ac1242bf842fe28501a78a460a43910ef2dba (diff)
[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>
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/sched.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 68fcdc4515ab..3b831e07f1ed 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -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)

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