diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-07-03 17:22:34 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2018-08-30 16:02:55 -0700 |
| commit | 336a4f6c451e488b5388a2593fa20f7192706c7b (patch) | |
| tree | 973308dbd01ac0cacd2cff27db9b0ea06536feaa /kernel/rcu/tree_exp.h | |
| parent | de8e87305a1ae878f7c518fd9cadcc9159cda493 (diff) | |
rcu: Remove rsp parameter from rcu_get_root()
There now is only one rcu_state structure in a given build of the
Linux kernel, so there is no need to pass it as a parameter to RCU's
functions. This commit therefore removes the rsp parameter from
rcu_get_root().
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/tree_exp.h')
| -rw-r--r-- | kernel/rcu/tree_exp.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h index 298a6904bbcd..0bcbb03c9702 100644 --- a/kernel/rcu/tree_exp.h +++ b/kernel/rcu/tree_exp.h @@ -288,7 +288,7 @@ static bool exp_funnel_lock(struct rcu_state *rsp, unsigned long s) { struct rcu_data *rdp = per_cpu_ptr(&rcu_data, raw_smp_processor_id()); struct rcu_node *rnp = rdp->mynode; - struct rcu_node *rnp_root = rcu_get_root(rsp); + struct rcu_node *rnp_root = rcu_get_root(); /* Low-contention fastpath. */ if (ULONG_CMP_LT(READ_ONCE(rnp->exp_seq_rq), s) && @@ -479,7 +479,7 @@ static void synchronize_sched_expedited_wait(struct rcu_state *rsp) unsigned long mask; int ndetected; struct rcu_node *rnp; - struct rcu_node *rnp_root = rcu_get_root(rsp); + struct rcu_node *rnp_root = rcu_get_root(); int ret; trace_rcu_exp_grace_period(rsp->name, rcu_exp_gp_seq_endval(rsp), TPS("startwait")); @@ -643,7 +643,7 @@ static void _synchronize_rcu_expedited(struct rcu_state *rsp, /* Wait for expedited grace period to complete. */ rdp = per_cpu_ptr(&rcu_data, raw_smp_processor_id()); - rnp = rcu_get_root(rsp); + rnp = rcu_get_root(); wait_event(rnp->exp_wq[rcu_seq_ctr(s) & 0x3], sync_exp_work_done(rsp, s)); smp_mb(); /* Workqueue actions happen before return. */ |