[PATCH] lockdep: add print_ip_sym()

Provide a common print_ip_sym() function that prints the passed instruction
pointer as well as the symbol belonging to it.  Avoids adding a bunch of
#ifdef CONFIG_64BIT in order to get the printk format right on 32/64 bit
platforms.

Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/linux/kallsyms.h

@@ -64,4 +64,18 @@ static inline void print_symbol(const char *fmt, unsigned long addr)
 		       __builtin_extract_return_addr((void *)addr));
 }
 
+#ifndef CONFIG_64BIT
+#define print_ip_sym(ip)		\
+do {					\
+	printk("[<%08lx>]", ip);	\
+	print_symbol(" %s\n", ip);	\
+} while(0)
+#else
+#define print_ip_sym(ip)		\
+do {					\
+	printk("[<%016lx>]", ip);	\
+	print_symbol(" %s\n", ip);	\
+} while(0)
+#endif
+
 #endif /*_LINUX_KALLSYMS_H*/