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From: Rusty Russell <rusty@rustcorp.com.au>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Russell King <rmk+lkml@arm.linux.org.uk>,
	linux-kernel@vger.kernel.org
Subject: Re: Yet more ARM breakage in linux-next
Date: Fri, 5 Dec 2008 00:42:27 +1030	[thread overview]
Message-ID: <200812050042.28222.rusty@rustcorp.com.au> (raw)
In-Reply-To: <Pine.LNX.4.64.0812041017470.10635@anakin>

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@rustcorp.com.au>

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>




  reply	other threads:[~2008-12-04 14:13 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-03 19:29 Yet more ARM breakage in linux-next Russell King
2008-12-03 20:41 ` Andrew Morton
2008-12-03 23:22   ` Rusty Russell
2008-12-03 23:37     ` Randy Dunlap
2008-12-03 23:46       ` Andrew Morton
2008-12-04  0:10         ` Alan Cox
2008-12-04  0:01       ` David Miller
2008-12-04  0:18         ` Randy Dunlap
2008-12-04  1:27       ` Rusty Russell
2008-12-04  2:56         ` Stephen Hemminger
2008-12-04  0:31     ` Russell King
2008-12-04  3:06       ` Nicolas Pitre
2008-12-04  1:33     ` Mike Frysinger
2008-12-04  2:15       ` Rusty Russell
2008-12-04  3:55         ` Mike Frysinger
2008-12-04  9:18   ` Geert Uytterhoeven
2008-12-04 14:12     ` Rusty Russell [this message]
2008-12-07 21:50       ` Geert Uytterhoeven
2008-12-08  6:20         ` Rusty Russell

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