sh: cache secondary CPUs idle loop.
This provides a cache of the secondary CPUs idle loop for the cases where
hotplug simply enters a low power state instead of resetting or powering
off the core.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 26b3f02..0a58cb2 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -85,6 +85,10 @@
struct tlb_info itlb;
struct tlb_info dtlb;
+#ifdef CONFIG_SMP
+ struct task_struct *idle;
+#endif
+
unsigned long flags;
} __attribute__ ((aligned(L1_CACHE_BYTES)));