Commit-ID: f7dd7d44fd2db80bfb2c5f81e67b5404b4735312
Gitweb: https://git.kernel.org/tip/f7dd7d44fd2db80bfb2c5f81e67b5404b4735312
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Wed, 4 Jul 2018 15:39:40 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 30 Aug 2018 16:03:19 -0700
rcu: Simplify rcutorture_get_gp_data()
This commit restructures rcutorture_get_gp_data() to take advantage of
the fact that there is only one flavor of RCU.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/rcu/tree.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 46a32999020d..254c78377c22 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -597,21 +597,16 @@ EXPORT_SYMBOL_GPL(show_rcu_gp_kthreads);
void rcutorture_get_gp_data(enum rcutorture_type test_type, int *flags,
unsigned long *gp_seq)
{
- struct rcu_state *rsp = NULL;
-
switch (test_type) {
case RCU_FLAVOR:
case RCU_BH_FLAVOR:
case RCU_SCHED_FLAVOR:
- rsp = &rcu_state;
+ *flags = READ_ONCE(rcu_state.gp_flags);
+ *gp_seq = rcu_seq_current(&rcu_state.gp_seq);
break;
default:
break;
}
- if (rsp == NULL)
- return;
- *flags = READ_ONCE(rsp->gp_flags);
- *gp_seq = rcu_seq_current(&rsp->gp_seq);
}
EXPORT_SYMBOL_GPL(rcutorture_get_gp_data);
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