* [PATCH] BUG_ON() not arch-specific.
@ 2001-12-05 7:24 Rusty Russell
2001-12-05 8:36 ` Jens Axboe
2001-12-05 14:42 ` David Woodhouse
0 siblings, 2 replies; 4+ messages in thread
From: Rusty Russell @ 2001-12-05 7:24 UTC (permalink / raw)
To: linux-kernel; +Cc: torvalds
Hi all,
We only need one BUG_ON implementation, surely. Genericized
and moved to linux/kernel.h.
Cheers,
Rusty.
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 Wed Dec 5 16:49:14 2001
+++ working-2.5.1-pre5-percpu/include/linux/kernel.h Wed Dec 5 18:12:15 2001
@@ -176,4 +176,5 @@
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)
{
--
Premature optmztion is rt of all evl. --DK
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] BUG_ON() not arch-specific.
2001-12-05 7:24 [PATCH] BUG_ON() not arch-specific Rusty Russell
@ 2001-12-05 8:36 ` Jens Axboe
2001-12-05 14:42 ` David Woodhouse
1 sibling, 0 replies; 4+ messages in thread
From: Jens Axboe @ 2001-12-05 8:36 UTC (permalink / raw)
To: Rusty Russell; +Cc: linux-kernel, torvalds
On Wed, Dec 05 2001, Rusty Russell wrote:
> Hi all,
>
> We only need one BUG_ON implementation, surely. Genericized
> and moved to linux/kernel.h.
Yes, fine.
--
Jens Axboe
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] BUG_ON() not arch-specific.
2001-12-05 7:24 [PATCH] BUG_ON() not arch-specific Rusty Russell
2001-12-05 8:36 ` Jens Axboe
@ 2001-12-05 14:42 ` David Woodhouse
2001-12-08 23:56 ` Rusty Russell
1 sibling, 1 reply; 4+ messages in thread
From: David Woodhouse @ 2001-12-05 14:42 UTC (permalink / raw)
To: Rusty Russell; +Cc: linux-kernel, torvalds
rusty@rustcorp.com.au said:
> --- linux-2.5.1-pre5/include/linux/kernel.h Wed Dec 5 16:49:14 2001
> +++ working-2.5.1-pre5-percpu/include/linux/kernel.h Wed Dec 5 18:12:15 2001
> @@ -176,4 +176,5 @@
> char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
> };
>
> +#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
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 :)
--
dwmw2
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] BUG_ON() not arch-specific.
2001-12-05 14:42 ` David Woodhouse
@ 2001-12-08 23:56 ` Rusty Russell
0 siblings, 0 replies; 4+ messages in thread
From: Rusty Russell @ 2001-12-08 23:56 UTC (permalink / raw)
To: David Woodhouse; +Cc: linux-kernel, torvalds
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.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2001-12-05 7:24 [PATCH] BUG_ON() not arch-specific Rusty Russell
2001-12-05 8:36 ` Jens Axboe
2001-12-05 14:42 ` David Woodhouse
2001-12-08 23:56 ` Rusty Russell
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