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authorChristoph Hellwig <hch@lst.de>2007-04-23 21:08:09 +0200
committerArnd Bergmann <arnd@klappe.arndb.de>2007-04-23 21:18:53 +0200
commite097b513285e616215b23af234d127298bb8d89a (patch)
tree97af431b53f545d7a004c2e686db2bc4273e1cc4 /arch/powerpc/platforms/cell/spufs/sched.c
parentb3e76cc3244ac139fc75750c5af9edbb9f191a10 (diff)
[POWERPC] spu sched: ensure preempted threads are put back on the runqueue, part2
To not lose a spu thread we need to make sure it always gets put back on the runqueue. In find_victim aswell as in the scheduler tick as done in the previous patch. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/sched.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/sched.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 5149dff65c9e..405a0555d75c 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -391,6 +391,12 @@ static struct spu *find_victim(struct spu_context *ctx)
}
spu_unbind_context(spu, victim);
mutex_unlock(&victim->state_mutex);
+ /*
+ * We need to break out of the wait loop in spu_run
+ * manually to ensure this context gets put on the
+ * runqueue again ASAP.
+ */
+ wake_up(&victim->stop_wq);
return spu;
}
}

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