From: Andi Kleen <ak@suse.de>
Date: Sat, 9 Dec 2006 20:33:36 +0000 (+0100)
Subject: [PATCH] x86: Work around gcc 4.2 over aggressive optimizer
X-Git-Tag: v2.6.20-rc1~34^2~19^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1bac3b383a93a4a920ffc57441eb133c78567fbd;p=pandora-kernel.git

[PATCH] x86: Work around gcc 4.2 over aggressive optimizer

The new PDA code uses a dummy _proxy_pda variable to describe
memory references to the PDA. It is never referenced
in inline assembly, but exists as input/output arguments.
gcc 4.2 in some cases can CSE references to this which causes
unresolved symbols.  Define it to zero to avoid this.

Signed-off-by: Andi Kleen <ak@suse.de>
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