This commit rids the documentation of long-obsolete torture_type options
such as rcu_sync and adds new ones such as tasks. Also add verbiage
noting the fact that rcutorture now concurrently tests the asynchrounous,
synchronous, expedited synchronous, and polling grace-period primitives.
Reported-by: David Miller <da...@davemloft.net>
Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
Acked-by: David Miller <da...@davemloft.net>
---
Documentation/RCU/torture.txt | 39 +++++++++++++--------------------------
1 file changed, 13 insertions(+), 26 deletions(-)
diff --git a/Documentation/RCU/torture.txt b/Documentation/RCU/torture.txt
index dac02a6219b1..118e7c176ce7 100644
--- a/Documentation/RCU/torture.txt
+++ b/Documentation/RCU/torture.txt
@@ -166,40 +166,27 @@ test_no_idle_hz Whether or not to test the ability of
RCU to operate in
torture_type The type of RCU to test, with string values as follows:
- "rcu": rcu_read_lock(), rcu_read_unlock() and call_rcu().
-
- "rcu_sync": rcu_read_lock(), rcu_read_unlock(), and
- synchronize_rcu().
-
- "rcu_expedited": rcu_read_lock(), rcu_read_unlock(), and
- synchronize_rcu_expedited().
+ "rcu": rcu_read_lock(), rcu_read_unlock() and call_rcu(),
+ along with expedited, synchronous, and polling
+ variants.
"rcu_bh": rcu_read_lock_bh(), rcu_read_unlock_bh(), and
- call_rcu_bh().
-
- "rcu_bh_sync": rcu_read_lock_bh(), rcu_read_unlock_bh(),
- and synchronize_rcu_bh().
+ call_rcu_bh(), along with expedited and synchronous
+ variants.
- "rcu_bh_expedited": rcu_read_lock_bh(), rcu_read_unlock_bh(),
- and synchronize_rcu_bh_expedited().
+ "rcu_busted": This tests an intentionally incorrect version
+ of RCU in order to help test rcutorture itself.
"srcu": srcu_read_lock(), srcu_read_unlock() and
- call_srcu().
-
- "srcu_sync": srcu_read_lock(), srcu_read_unlock() and
- synchronize_srcu().
-
- "srcu_expedited": srcu_read_lock(), srcu_read_unlock() and
- synchronize_srcu_expedited().
+ call_srcu(), along with expedited and
+ synchronous variants.
"sched": preempt_disable(), preempt_enable(), and
- call_rcu_sched().
-
- "sched_sync": preempt_disable(), preempt_enable(), and
- synchronize_sched().
+ call_rcu_sched(), along with expedited,
+ synchronous, and polling variants.
- "sched_expedited": preempt_disable(), preempt_enable(), and
- synchronize_sched_expedited().
+ "tasks": voluntary context switch and call_rcu_tasks(),
+ along with expedited and synchronous variants.
Defaults to "rcu".
--
2.5.2
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