linux-kernel - [PATCH tip/core/rcu 0/4] v2 Documentation and rcutorture changes for 3.9

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Date:	Sat, 26 Jan 2013 16:04:35 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, edumazet@...gle.com, darren@...art.com,
	fweisbec@...il.com, sbw@....edu
Subject: [PATCH tip/core/rcu 0/4] v2 Documentation and rcutorture changes for
 3.9

Hello!

The following are changes to documentation and rcutorture:

1.	Export trace_clock_local() in order to allow rcutorture event
	tracing to emit the time of the beginning of the RCU read-side
	critical section at the point where a failure is detected.
2.	Reduce rcutorture's read-side tracing to include only failures,
	thus cutting the number of events down to something reasonable
	(normally zero, in fact!).
3.	Add atomic_xchg() to the list of atomic operations and memory
	barriers, courtesy of Richard Braun.
4.	Make rcutorture's shuffler task also shuffle recently added
	rcutorture kthreads.

Changes since v1:

o	Fixed build problem in #2 located by Randy Dunlap based on
	diagnosis from Steven Rostedt.

o	Added patch #4.

							Thanx, Paul


 b/Documentation/atomic_ops.txt      |    2 +
 b/Documentation/memory-barriers.txt |    1 
 b/include/linux/rcupdate.h          |   13 ++++++--
 b/include/trace/events/rcu.h        |   19 +++++++++---
 b/kernel/rcupdate.c                 |    9 +++--
 b/kernel/rcutorture.c               |   55 ++++++++++++++++++++++++++++--------
 b/kernel/trace/trace_clock.c        |    1 
 b/lib/Kconfig.debug                 |    1 
 8 files changed, 79 insertions(+), 22 deletions(-)

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