linux-kernel - [PATCH] arch/tile: Rename the hweight() implementations to __arch

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Date:	Fri, 13 Aug 2010 20:32:41 -0400
From:	Chris Metcalf <cmetcalf@...era.com>
To:	Borislav Petkov <petkovbb@...glemail.com>,
	Mike Frysinger <vapier.adi@...il.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	<linux-kernel@...r.kernel.org>, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: [PATCH] arch/tile: Rename the hweight() implementations to __arch_hweight().

See commit 1527bc8b928dd1399c3d3467dd47d9ede210978a.

Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
---

Mike, thanks for the pointer to the hweight issue.  Since we are using
__builtin_popcount() and the compiler can do constant propagation, etc.,
with it at compile-time, this is less critical, but it seems like the
easiest way to get the definitions of the HWEIGHT macros.

 arch/tile/include/asm/bitops.h |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/tile/include/asm/bitops.h b/arch/tile/include/asm/bitops.h
index 84600f3..6832b4b 100644
--- a/arch/tile/include/asm/bitops.h
+++ b/arch/tile/include/asm/bitops.h
@@ -98,26 +98,27 @@ static inline int fls64(__u64 w)
 	return (sizeof(__u64) * 8) - __builtin_clzll(w);
 }
 
-static inline unsigned int hweight32(unsigned int w)
+static inline unsigned int __arch_hweight32(unsigned int w)
 {
 	return __builtin_popcount(w);
 }
 
-static inline unsigned int hweight16(unsigned int w)
+static inline unsigned int __arch_hweight16(unsigned int w)
 {
 	return __builtin_popcount(w & 0xffff);
 }
 
-static inline unsigned int hweight8(unsigned int w)
+static inline unsigned int __arch_hweight8(unsigned int w)
 {
 	return __builtin_popcount(w & 0xff);
 }
 
-static inline unsigned long hweight64(__u64 w)
+static inline unsigned long __arch_hweight64(__u64 w)
 {
 	return __builtin_popcountll(w);
 }
 
+#include <asm-generic/bitops/const_hweight.h>
 #include <asm-generic/bitops/lock.h>
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/ext2-non-atomic.h>
-- 
1.6.5.2

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