[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>
diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h
index e5913c3..6e5aaaa 100644
--- a/include/asm-generic/bug.h
+++ b/include/asm-generic/bug.h
@@ -4,6 +4,7 @@
#include <linux/compiler.h>
#include <linux/config.h>
+#ifdef CONFIG_BUG
#ifndef HAVE_ARCH_BUG
#define BUG() do { \
printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
@@ -31,4 +32,22 @@
} while (0)
#endif
+#else /* !CONFIG_BUG */
+#ifndef HAVE_ARCH_BUG
+#define BUG()
+#endif
+
+#ifndef HAVE_ARCH_PAGE_BUG
+#define PAGE_BUG(page) do { if (page) ; } while (0)
+#endif
+
+#ifndef HAVE_ARCH_BUG_ON
+#define BUG_ON(condition) do { if (condition) ; } while(0)
+#endif
+
+#ifndef HAVE_ARCH_WARN_ON
+#define WARN_ON(condition) do { if (condition) ; } while(0)
+#endif
+#endif
+
#endif