Re: [PATCH] BUG_ON() not arch-specific.

Rusty Russell (rusty@rustcorp.com.au)
Sun, 09 Dec 2001 10:56:43 +1100


In message <26384.1007563352@redhat.com> you write:
> You'll need to add #include <linux/compiler.h> to linux/kernel.h if you do
> that. Let's not make the include files any more broken than they already
> are :)

Ack. Linus, please apply.

diff -urN -I \$.*\$ --exclude TAGS -X /home/rusty/devel/kernel/kernel-patches/current-dontdiff --minimal linux-2.5.1-pre5/include/linux/kernel.h working-2.5.1-pre5-percpu/include/linux/kernel.h
--- linux-2.5.1-pre5/include/linux/kernel.h Thu Dec 6 16:20:29 2001
+++ working-2.5.1-pre5-percpu/include/linux/kernel.h Sun Dec 9 10:52:09 2001
@@ -11,6 +11,7 @@
#include <linux/linkage.h>
#include <linux/stddef.h>
#include <linux/types.h>
+#include <linux/compiler.h>

/* Optimization barrier */
/* The "volatile" is due to gcc bugs */
@@ -176,4 +177,5 @@
char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
};

+#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
#endif
diff -urN -I \$.*\$ --exclude TAGS -X /home/rusty/devel/kernel/kernel-patches/current-dontdiff --minimal linux-2.5.1-pre5/include/asm-alpha/page.h working-2.5.1-pre5-percpu/include/asm-alpha/page.h
--- linux-2.5.1-pre5/include/asm-alpha/page.h Tue Dec 4 17:17:27 2001
+++ working-2.5.1-pre5-percpu/include/asm-alpha/page.h Wed Dec 5 18:14:34 2001
@@ -67,18 +67,6 @@

#define PAGE_BUG(page) BUG()

-#define BUG_ON(condition) \
- do { \
- if (unlikely((long)(condition)))\
- BUG(); \
- } while (0)
-
-#define BUG_ON(condition) \
- do { \
- if (unlikely((int)(condition))) \
- BUG(); \
- } while (0)
-
/* Pure 2^n version of get_order */
extern __inline__ int get_order(unsigned long size)
{
diff -urN -I \$.*\$ --exclude TAGS -X /home/rusty/devel/kernel/kernel-patches/current-dontdiff --minimal linux-2.5.1-pre5/include/asm-i386/page.h working-2.5.1-pre5-percpu/include/asm-i386/page.h
--- linux-2.5.1-pre5/include/asm-i386/page.h Tue Dec 4 17:17:27 2001
+++ working-2.5.1-pre5-percpu/include/asm-i386/page.h Wed Dec 5 18:06:31 2001
@@ -101,12 +101,6 @@
BUG(); \
} while (0)

-#define BUG_ON(condition) \
- do { \
- if (unlikely((int)(condition))) \
- BUG(); \
- } while (0)
-
/* Pure 2^n version of get_order */
static __inline__ int get_order(unsigned long size)
{

--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
-
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