linux/include/linux/lockdep.h
Peter Hurley 02d4d9512f locking: Add WARN_ON_ONCE lock assertion
commit 9a37110d20 upstream.

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>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
2016-01-05 12:08:20 +00:00

537 lines
16 KiB