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author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-12-05 15:36:31 -0800 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-12-11 10:32:21 -0800 |
commit | 101db7b41d8d6c070278bca1f7bce814ecbf781d (patch) | |
tree | 10fab4086babc1730381162a540897ab0d7719b5 | |
parent | f220242af98a5248209426f36d93226c3e0f2391 (diff) | |
download | linux-101db7b41d8d6c070278bca1f7bce814ecbf781d.tar.gz linux-101db7b41d8d6c070278bca1f7bce814ecbf781d.tar.bz2 linux-101db7b41d8d6c070278bca1f7bce814ecbf781d.zip |
rcu: Add rcutorture tests for srcu_read_lock_raw()
This commit adds simple rcutorture tests for srcu_read_lock_raw() and
srcu_read_unlock_raw(). It does not test doing srcu_read_lock_raw()
in an exception handler and releasing it in the corresponding process
context.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
-rw-r--r-- | kernel/rcutorture.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c index 186ead9fa348..88f17b8a3b1d 100644 --- a/kernel/rcutorture.c +++ b/kernel/rcutorture.c @@ -632,6 +632,30 @@ static struct rcu_torture_ops srcu_ops = { .name = "srcu" }; +static int srcu_torture_read_lock_raw(void) __acquires(&srcu_ctl) +{ + return srcu_read_lock_raw(&srcu_ctl); +} + +static void srcu_torture_read_unlock_raw(int idx) __releases(&srcu_ctl) +{ + srcu_read_unlock_raw(&srcu_ctl, idx); +} + +static struct rcu_torture_ops srcu_raw_ops = { + .init = srcu_torture_init, + .cleanup = srcu_torture_cleanup, + .readlock = srcu_torture_read_lock_raw, + .read_delay = srcu_read_delay, + .readunlock = srcu_torture_read_unlock_raw, + .completed = srcu_torture_completed, + .deferred_free = rcu_sync_torture_deferred_free, + .sync = srcu_torture_synchronize, + .cb_barrier = NULL, + .stats = srcu_torture_stats, + .name = "srcu_raw" +}; + static void srcu_torture_synchronize_expedited(void) { synchronize_srcu_expedited(&srcu_ctl); @@ -1591,7 +1615,7 @@ rcu_torture_init(void) static struct rcu_torture_ops *torture_ops[] = { &rcu_ops, &rcu_sync_ops, &rcu_expedited_ops, &rcu_bh_ops, &rcu_bh_sync_ops, &rcu_bh_expedited_ops, - &srcu_ops, &srcu_expedited_ops, + &srcu_ops, &srcu_raw_ops, &srcu_expedited_ops, &sched_ops, &sched_sync_ops, &sched_expedited_ops, }; mutex_lock(&fullstop_mutex); |