Hello!

This series provides CSD-lock diagnostic updates for v7.3:

1.	Avoid invalid per-CPU CSD lookup with CSD lock debug, courtesy
	of Chuyi Zhou.

2.	Make CSD lock acquisition atomic for debug mode, courtesy of
	Chuyi Zhou.

						Thanx, Paul

------------------------------------------------------------------------

 b/kernel/smp.c |    3 ++-
 kernel/smp.c   |   26 ++++++++++++++++++++++----
 2 files changed, 24 insertions(+), 5 deletions(-)