---------- Forwarded message ----------
Date: Fri, 5 Dec 2008 00:42:27 +1030
From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
To: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>,
Russell King <rmk+lkml@xxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
Subject: Re: Yet more ARM breakage in linux-next
On Thursday 04 December 2008 19:48:06 Geert Uytterhoeven wrote:
Also broke m68k (a bit more hidden due to other build failures).
And m68knommu has similar issues.
Here's what I have for m68k for tomorrow's linux-next. Please steal.
m68k: define __fls
Like fls, but can't be handed 0 and returns the bit number.
(I broke this arch in linux-next by using __fls in generic code).
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
diff --git a/include/asm-m68k/bitops.h b/include/asm-m68k/bitops.h
--- a/include/asm-m68k/bitops.h
+++ b/include/asm-m68k/bitops.h
@@ -315,6 +315,11 @@ static inline int fls(int x)
return 32 - cnt;
}
+static inline int __fls(int x)
+{
+ return fls(x) - 1;
+}
+
#include <asm-generic/bitops/fls64.h>
#include <asm-generic/bitops/sched.h>
#include <asm-generic/bitops/hweight.h>
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