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[PATCH] Avoid recursion in lockdep when stack tracer takes locks
authorAndi Kleen <ak@suse.de>
Tue, 26 Sep 2006 08:52:34 +0000 (10:52 +0200)
committerAndi Kleen <andi@basil.nowhere.org>
Tue, 26 Sep 2006 08:52:34 +0000 (10:52 +0200)
commitb604661505921ca57fac61020cb2278c2359bd09
tree855a6737a2275317bcd3f3a9934c33dcadba6e6ftree | snapshot
parentf5a0547044d52a63ea7178a31143f8678581cc94commit | diff
[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>
kernel/lockdep.c diff | blob | history
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