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(parent: e132264) | patch
locking: Add WARN_ON_ONCE lock assertion
authorPeter Hurley <peter@hurleysoftware.com>
Wed, 10 Sep 2014 18:31:39 +0000 (14:31 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 24 Sep 2014 04:06:21 +0000 (21:06 -0700)
commit87902d816ec146f5055bcc8868ada3ae88df87aa
tree6c997c35c6e3193fc73e4bfeb74ddc5fee56f233tree | snapshot
parente1322648f5b25b692807e48db9c3164e38f85f8bcommit | diff
locking: Add WARN_ON_ONCE lock assertion

An interface may need to assert a lock invariant and not flood the
system logs; add a lockdep helper macro equivalent to
lockdep_assert_held() which only WARNs once.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
include/linux/lockdep.h diff | blob | history
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