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-rw-r--r--include/asm-powerpc/irq.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index 5089deb8fec..1ef8e304e0e 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -619,6 +619,19 @@ struct pt_regs;
#define __ARCH_HAS_DO_SOFTIRQ
+#if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
+/*
+ * Per-cpu stacks for handling critical, debug and machine check
+ * level interrupts.
+ */
+extern struct thread_info *critirq_ctx[NR_CPUS];
+extern struct thread_info *dbgirq_ctx[NR_CPUS];
+extern struct thread_info *mcheckirq_ctx[NR_CPUS];
+extern void exc_lvl_ctx_init(void);
+#else
+#define exc_lvl_ctx_init()
+#endif
+
#ifdef CONFIG_IRQSTACKS
/*
* Per-cpu stacks for handling hard and soft interrupts.