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rcu: Test srcu_barrier() from rcutorture test suite

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SRCU now has a call_srcu() and an srcu_barrier(), but rcutorture does not
test them.  This commit adds the machinery to allow rcutorture's existing
tests for call_rcu() and rcu_barrier() to apply to the SRCU equivalents.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
Paul E. McKenney 2012-05-08 10:21:50 -07:00
parent 751a68b2e4
commit e3f8d3788e
1 changed files with 13 additions and 2 deletions
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15
kernel/rcutorture.c
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@ -635,6 +635,17 @@ static void srcu_torture_synchronize(void)
synchronize_srcu(&srcu_ctl); synchronize_srcu(&srcu_ctl);
} }
static void srcu_torture_call(struct rcu_head *head,
void (*func)(struct rcu_head *head))
{
call_srcu(&srcu_ctl, head, func);
}
static void srcu_torture_barrier(void)
{
srcu_barrier(&srcu_ctl);
}
static int srcu_torture_stats(char *page) static int srcu_torture_stats(char *page)
{ {
int cnt = 0; int cnt = 0;
@ -661,8 +672,8 @@ static struct rcu_torture_ops srcu_ops = {
.completed = srcu_torture_completed, .completed = srcu_torture_completed,
.deferred_free = srcu_torture_deferred_free, .deferred_free = srcu_torture_deferred_free,
.sync = srcu_torture_synchronize, .sync = srcu_torture_synchronize,
.call = NULL, .call = srcu_torture_call,
.cb_barrier = NULL, .cb_barrier = srcu_torture_barrier,
.stats = srcu_torture_stats, .stats = srcu_torture_stats,
.name = "srcu" .name = "srcu"
}; };