[PATCH] remove all kernel BUGs

This patch eliminates all kernel BUGs, trims about 35k off the typical
kernel, and makes the system slightly faster.

Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-x86_64/bug.h

@@ -15,11 +15,13 @@ struct bug_frame {
 	unsigned short line;
 } __attribute__((packed));
 
+#ifdef CONFIG_BUG
 #define HAVE_ARCH_BUG
 #define BUG() \
 	asm volatile("ud2 ; .quad %c1 ; .short %c0" :: \
 		     "i"(__LINE__), "i" (__stringify(__FILE__)))
 void out_of_line_bug(void);
-#include <asm-generic/bug.h>
-
+#endif
+
+#include <asm-generic/bug.h>
 #endif