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rcu: Simplify rcutorture_get_gp_data()

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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@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2018-07-04 15:39:40 -07:00
parent b97d23c51c
commit f7dd7d44fd
1 changed files with 2 additions and 7 deletions
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9
kernel/rcu/tree.c
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@ -597,21 +597,16 @@ EXPORT_SYMBOL_GPL(show_rcu_gp_kthreads);
void rcutorture_get_gp_data(enum rcutorture_type test_type, int *flags, void rcutorture_get_gp_data(enum rcutorture_type test_type, int *flags,
unsigned long *gp_seq) unsigned long *gp_seq)
{ {
struct rcu_state *rsp = NULL;
switch (test_type) { switch (test_type) {
case RCU_FLAVOR: case RCU_FLAVOR:
case RCU_BH_FLAVOR: case RCU_BH_FLAVOR:
case RCU_SCHED_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; break;
default: default:
break; 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); EXPORT_SYMBOL_GPL(rcutorture_get_gp_data);