From: Alexander van Heukelum <heukelum@mailshack.com>
Date: Sat, 15 Mar 2008 17:31:49 +0000 (+0100)
Subject: generic: implement __fls on all 64-bit archs
X-Git-Tag: v2.6.26-rc1~1037^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=56a6b1eb7bfb5ace0b5cb9c149f502fbd101b8ab;p=pandora-kernel.git

generic: implement __fls on all 64-bit archs

Implement __fls on all 64-bit archs:

alpha has an implementation of fls64.
	Added __fls(x) = fls64(x) - 1.

ia64 has fls, but not __fls.
	Added __fls based on code of fls.

mips and powerpc have __ilog2, which is the same as __fls.
	Added __fls = __ilog2.

parisc, s390, sh and sparc64:
	Include generic __fls.

x86_64 already has __fls.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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