linux-kernel - [PATCH tip/core/rcu 0/14] Torture-test changes for 4.8

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Date:	Wed, 15 Jun 2016 15:09:24 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
	dvhart@...ux.intel.com, fweisbec@...il.com, oleg@...hat.com,
	bobby.prani@...il.com
Subject: [PATCH tip/core/rcu 0/14] Torture-test changes for 4.8

Hello!

This series contains torture-test updates for RCU:

1.	Simplify code, eliminate RCU_PERF_TEST_RUNNABLE.

2.	Remove CONFIG_RCU_TORTURE_TEST_RUNNABLE, simplify code.

3.	Forgive lengthy trace dumps and preemption, so that the hung-kernel
	detection avoids killing off needed diagnostics.

4.	Break online and offline functions out of torture_onoff().

5.	Add starvation events to error summary.

6.	Stop onoff task if there is only one cpu, courtesy of Boqun Feng.

7.	Create initrd using dracut, courtesy of Boqun Feng.

8.	Use vmlinux as the fallback kernel image, courtesy of Boqun Feng.

9.	Make -soundhw a x86 specific option, courtesy of Boqun Feng.

10.	Don't specify the cpu type of QEMU on PPC, courtesy of Boqun Feng.

11.	Drop "-soundhw pcspkr" from x86 boot arguments.

12.	Don't treat gp_exp mis-setting as a WARN, courtesy of Boqun Feng.

13.	Inflict OS jitter on torture-test runs by default.

14.	Fix error return code in rcu_perf_init(), courtesy of Wei Yongjun.

							Thanx, Paul

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

 include/linux/torture.h                                  |    4 
 kernel/rcu/rcuperf.c                                     |   25 +-
 kernel/rcu/rcutorture.c                                  |    7 
 kernel/rcu/tree_plugin.h                                 |    2 
 kernel/torture.c                                         |  176 +++++++++------
 lib/Kconfig.debug                                        |   33 --
 tools/testing/selftests/rcutorture/bin/functions.sh      |   14 -
 tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh |   34 ++
 tools/testing/selftests/rcutorture/bin/kvm.sh            |    2 
 tools/testing/selftests/rcutorture/bin/parse-console.sh  |    7 
 tools/testing/selftests/rcutorture/doc/initrd.txt        |   22 +
 11 files changed, 193 insertions(+), 133 deletions(-)