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rcutorture: Add a scenario for Classic SRCU 

A robust combination of paranoia and cowardice has resulted in retaining
Classic SRCU (CONFIG_CLASSIC_SRCU) as a backup for the shiny new Tiny
and Tree SRCU implementations.  If it is to be a viable backup, it of
course needs to be tested.  This commit therefore adds an rcutorture
scenario named SRCU-C for Classic SRCU.  This commit also adds this
scenario to the set that are run by default.

Once sufficient good experience has accumulated for Tiny and Tree SRCU,
this test will be removed, along with the Classic SRCU implementation
itself.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
hifive-unleashed-5.1
Paul E. McKenney 2017-04-10 13:49:03 -07:00
parent 23ca096703
commit c0ee4500ff
3 changed files with 13 additions and 0 deletions
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1
tools/testing/selftests/rcutorture/configs/rcu/CFLIST
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@ -7,6 +7,7 @@ TREE06
TREE07
TREE08
TREE09
SRCU-C
SRCU-N
SRCU-P
SRCU-t

11
tools/testing/selftests/rcutorture/configs/rcu/SRCU-C 100644
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@ -0,0 +1,11 @@
CONFIG_RCU_TRACE=n
CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_EXPERT=y
CONFIG_CLASSIC_SRCU=y
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_PROVE_LOCKING=y

1
tools/testing/selftests/rcutorture/configs/rcu/SRCU-C.boot 100644
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@ -0,0 +1 @@
rcutorture.torture_type=srcud