Commit 8450e853 authored Jul 05, 2008 by Alexander van Heukelum Committed by Ingo Molnar Jul 18, 2008

x86, cleanup: fix description of fls(): fls(0) is undefined

Ricardo M. Correia spotted that the use of __fls() in fls64() did
not seem to make sense. In fact fls64()'s implementation is fine,
but the description of __fls() was wrong. Fix that.

Reported-by: "Ricardo M. Correia" <Ricardo.M.Correia@Sun.COM>
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent fbdb7da9

include/asm-x86/bitops.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -356,7 +356,7 @@ static inline unsigned long ffz(unsigned long word)
		* __fls: find last set bit in word
		* @word: The word to search
		*
		* Undefined if no zero exists, so code should check against ~0UL first.
		* Undefined if no set bit exists, so code should check against 0 first.
		*/
		static inline unsigned long __fls(unsigned long word)
		{