From: Andi Kleen <ak@suse.de>
Date: Tue, 26 Sep 2006 08:52:34 +0000 (+0200)
Subject: [PATCH] Avoid recursion in lockdep when stack tracer takes locks
X-Git-Tag: v2.6.19-rc1~1077^2~116
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3fa7c794fe4dc127f7fac3fad4d13628e68f89ce;p=pandora-kernel.git

[PATCH] Avoid recursion in lockdep when stack tracer takes locks

The new dwarf2 unwinder needs to take locks to do backtraces
inside modules. This patch makes sure lockdep which calls
stacktrace is not reentered.

Thanks to Ingo for suggesting this simpler approach.

Cc: mingo@elte.hu
Signed-off-by: Andi Kleen <ak@suse.de>
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