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| author | Josh Triplett <josht@us.ibm.com> | 2006-10-04 02:17:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-04 07:55:31 -0700 |
| commit | 11a147013e39ff4cb031395cb78a9d307c4799cd (patch) | |
| tree | bbacc6c3cb3cc53e6f92da1bd6632f37a056dfeb | |
| parent | 20d2e4283a97665a3db78c60dfa342a0c7c1b180 (diff) | |
| download | linux-11a147013e39ff4cb031395cb78a9d307c4799cd.tar.gz linux-11a147013e39ff4cb031395cb78a9d307c4799cd.tar.bz2 linux-11a147013e39ff4cb031395cb78a9d307c4799cd.zip | |
[PATCH] rcu: add rcu_bh_sync torture type to rcutorture
Use the newly-generic synchronous deferred free function to implement torture
testing for rcu_bh using synchronize_rcu_bh rather than the asynchronous
call_rcu_bh.
Signed-off-by: Josh Triplett <josh@freedesktop.org>
Acked-by: Paul E. McKenney <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | Documentation/RCU/torture.txt | 5 | ||||
| -rw-r--r-- | kernel/rcutorture.c | 16 |
2 files changed, 18 insertions, 3 deletions
diff --git a/Documentation/RCU/torture.txt b/Documentation/RCU/torture.txt index 6714b5361158..cc4b1efe5ea8 100644 --- a/Documentation/RCU/torture.txt +++ b/Documentation/RCU/torture.txt @@ -55,8 +55,9 @@ test_no_idle_hz Whether or not to test the ability of RCU to operate in torture_type The type of RCU to test: "rcu" for the rcu_read_lock() API, "rcu_sync" for rcu_read_lock() with synchronous reclamation, - "rcu_bh" for the rcu_read_lock_bh() API, and "srcu" for the - "srcu_read_lock()" API. + "rcu_bh" for the rcu_read_lock_bh() API, "rcu_bh_sync" for + rcu_read_lock_bh() with synchronous reclamation, and "srcu" + for the "srcu_read_lock()" API. verbose Enable debug printk()s. Default is disabled. diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index 1c329df60bcc..0f0ff1556b5d 100644 --- a/kernel/rcutorture.c +++ b/kernel/rcutorture.c @@ -370,6 +370,19 @@ static struct rcu_torture_ops rcu_bh_ops = { .name = "rcu_bh" }; +static struct rcu_torture_ops rcu_bh_sync_ops = { + .init = rcu_sync_torture_init, + .cleanup = NULL, + .readlock = rcu_bh_torture_read_lock, + .readdelay = rcu_read_delay, /* just reuse rcu's version. */ + .readunlock = rcu_bh_torture_read_unlock, + .completed = rcu_bh_torture_completed, + .deferredfree = rcu_sync_torture_deferred_free, + .sync = rcu_bh_torture_synchronize, + .stats = NULL, + .name = "rcu_bh_sync" +}; + /* * Definitions for srcu torture testing. */ @@ -452,7 +465,8 @@ static struct rcu_torture_ops srcu_ops = { }; static struct rcu_torture_ops *torture_ops[] = - { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &srcu_ops, NULL }; + { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &rcu_bh_sync_ops, &srcu_ops, + NULL }; /* * RCU torture writer kthread. Repeatedly substitutes a new structure |