Commit-ID: c0ee4500ff67e455dcbc74ff3e9e9faa3bc93be1
Gitweb: http://git.kernel.org/tip/c0ee4500ff67e455dcbc74ff3e9e9faa3bc93be1
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Mon, 10 Apr 2017 13:49:03 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 8 Jun 2017 08:25:21 -0700
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@xxxxxxxxxxxxxxxxxx>
---
tools/testing/selftests/rcutorture/configs/rcu/CFLIST | 1 +
tools/testing/selftests/rcutorture/configs/rcu/{SRCU-P => SRCU-C} | 3 +--
.../selftests/rcutorture/configs/rcu/{SRCU-u.boot => SRCU-C.boot} | 0
3 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
index 6a0b9f6..0c1da78 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
+++ b/tools/testing/selftests/rcutorture/configs/rcu/CFLIST
@@ -7,6 +7,7 @@ TREE06
TREE07
TREE08
TREE09
+SRCU-C
SRCU-N
SRCU-P
SRCU-t
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C
similarity index 82%
copy from tools/testing/selftests/rcutorture/configs/rcu/SRCU-P
copy to tools/testing/selftests/rcutorture/configs/rcu/SRCU-C
index ab7ccd3..e4f8b1b 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-P
+++ b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C
@@ -3,8 +3,7 @@ CONFIG_SMP=y
CONFIG_NR_CPUS=8
CONFIG_HOTPLUG_CPU=y
CONFIG_RCU_EXPERT=y
-CONFIG_RCU_FANOUT=2
-CONFIG_RCU_FANOUT_LEAF=2
+CONFIG_CLASSIC_SRCU=y
CONFIG_PREEMPT_NONE=n
CONFIG_PREEMPT_VOLUNTARY=n
CONFIG_PREEMPT=y
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot b/tools/testing/selftests/rcutorture/configs/rcu/SRCU-C.boot
similarity index 100%
copy from tools/testing/selftests/rcutorture/configs/rcu/SRCU-u.boot
copy to tools/testing/selftests/rcutorture/configs/rcu/SRCU-C.boot
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