[patch, -rc5-mm3] lock validator: sparc64, sparc, m68k, alpha, cris, irqtrace build fix

[Ingo Molnar]

Subject: lock validator: sparc64, sparc, m68k, alpha, cris, irqtrace build fix
From: Ingo Molnar <mingo@xxxxxxx>

early_init_irq_lock_type() should only be provided by an architecture
if it offers CONFIG_TRACE_IRQFLAGS.

this makes sparc64 (and probably the other non-genirq arches) build.

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 include/linux/lockdep.h |    2 ++
 init/main.c             |    1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

Index: linux/include/linux/lockdep.h
===================================================================
--- linux.orig/include/linux/lockdep.h
+++ linux/include/linux/lockdep.h
@@ -226,9 +226,11 @@ struct lockdep_type_key { };
 #endif /* !LOCKDEP */
 
 #ifdef CONFIG_TRACE_IRQFLAGS
+extern void early_init_irq_lock_type(void);
 extern void early_boot_irqs_off(void);
 extern void early_boot_irqs_on(void);
 #else
+# define early_init_irq_lock_type()		do { } while (0)
 # define early_boot_irqs_off()			do { } while (0)
 # define early_boot_irqs_on()			do { } while (0)
 #endif
Index: linux/init/main.c
===================================================================
--- linux.orig/init/main.c
+++ linux/init/main.c
@@ -82,7 +82,6 @@
 
 static int init(void *);
 
-extern void early_init_irq_lock_type(void);
 extern void init_IRQ(void);
 extern void fork_init(unsigned long);
 extern void mca_init(void);
-
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