Subject: spu_base: move spu_init_channels out of spu_mutex

From: Christoph Hellwig <hch@lst.de>
There is no reason to execute spu_init_channels under spu_mutex -               
after the spu has been taken off the freelist it's ours.  

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
---


Index: linux-2.6/arch/powerpc/platforms/cell/spu_base.c
===================================================================
--- linux-2.6.orig/arch/powerpc/platforms/cell/spu_base.c
+++ linux-2.6/arch/powerpc/platforms/cell/spu_base.c
@@ -428,10 +428,11 @@ struct spu *spu_alloc_node(int node)
 		spu = list_entry(spu_list[node].next, struct spu, list);
 		list_del_init(&spu->list);
 		pr_debug("Got SPU %d %d\n", spu->number, spu->node);
-		spu_init_channels(spu);
 	}
 	mutex_unlock(&spu_mutex);
 
+	if (spu)
+		spu_init_channels(spu);
 	return spu;
 }
 EXPORT_SYMBOL_GPL(spu_alloc_node);