From: Andi Kleen <ak@suse.de>
Date: Tue, 26 Sep 2006 08:52:30 +0000 (+0200)
Subject: [PATCH] x86: Detect CFI support in the assembler at runtime
X-Git-Tag: v2.6.19-rc1~1077^2~160
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2414910f212c52d9d7c64c99a22863488ac5b48;p=pandora-kernel.git

[PATCH] x86: Detect CFI support in the assembler at runtime

... instead of using a CONFIG option. The config option still controls
if the resulting executable actually has unwind information.

This is useful to prevent compilation errors when users select
CONFIG_STACK_UNWIND on old binutils and also allows to use
CFI in the future for non kernel debugging applications.

Cc: jbeulich@novell.com
Cc: sam@ravnborg.org

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