From: Luca Barbieri <luca@luca-barbieri.com>
Date: Fri, 6 Aug 2010 02:04:38 +0000 (+0200)
Subject: x86, asm: Refactor atomic64_386_32.S to support old binutils and be cleaner
X-Git-Tag: v2.6.36-rc1~45^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30246557a06bb20618bed906a06d1e1e0faa8bb4;p=pandora-kernel.git

x86, asm: Refactor atomic64_386_32.S to support old binutils and be cleaner

The old code didn't work on binutils 2.12 because setting a symbol to
a register apparently requires a fairly recent version.

This commit refactors the code to use the C preprocessor instead, and
in the process makes the whole code a bit easier to understand.

The object code produced is unchanged as expected.

This fixes kernel bugzilla 16506.

Reported-by: Dieter Stussy <kd6lvw+software@kd6lvw.ampr.org>
Signed-off-by: Luca Barbieri <luca@luca-barbieri.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: <stable@kernel.org> 2.6.35
LKML-Reference: <tip-*@git.kernel.org>
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