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 16:03:01 -0700 |
| commit | c7e48f7ba3820145d08015108ea763bd03c888e9 (patch) | |
| tree | cab224288b27178fb01eed1a2155bee5c20137fe /kernel/rcu | |
| parent | 834f56bf54e866e8db9d09b02fb1f3c0184ec927 (diff) | |
| download | blackbird-obmc-linux-c7e48f7ba3820145d08015108ea763bd03c888e9.tar.gz blackbird-obmc-linux-c7e48f7ba3820145d08015108ea763bd03c888e9.zip | |
rcu: Remove rsp parameter from __note_gp_changes()
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
__note_gp_changes().
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/tree.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 6964d04c0823..3e1ec264a653 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1758,11 +1758,11 @@ static bool rcu_advance_cbs(struct rcu_node *rnp, struct rcu_data *rdp) * structure corresponding to the current CPU, and must have irqs disabled. * Returns true if the grace-period kthread needs to be awakened. */ -static bool __note_gp_changes(struct rcu_state *rsp, struct rcu_node *rnp, - struct rcu_data *rdp) +static bool __note_gp_changes(struct rcu_node *rnp, struct rcu_data *rdp) { bool ret; bool need_gp; + struct rcu_state __maybe_unused *rsp = &rcu_state; raw_lockdep_assert_held_rcu_node(rnp); @@ -1815,7 +1815,7 @@ static void note_gp_changes(struct rcu_state *rsp, struct rcu_data *rdp) local_irq_restore(flags); return; } - needwake = __note_gp_changes(rsp, rnp, rdp); + needwake = __note_gp_changes(rnp, rdp); raw_spin_unlock_irqrestore_rcu_node(rnp, flags); if (needwake) rcu_gp_kthread_wake(); @@ -1940,7 +1940,7 @@ static bool rcu_gp_init(struct rcu_state *rsp) rnp->qsmask = rnp->qsmaskinit; WRITE_ONCE(rnp->gp_seq, rsp->gp_seq); if (rnp == rdp->mynode) - (void)__note_gp_changes(rsp, rnp, rdp); + (void)__note_gp_changes(rnp, rdp); rcu_preempt_boost_start_gp(rnp); trace_rcu_grace_period_init(rsp->name, rnp->gp_seq, rnp->level, rnp->grplo, @@ -2051,7 +2051,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) WRITE_ONCE(rnp->gp_seq, new_gp_seq); rdp = this_cpu_ptr(&rcu_data); if (rnp == rdp->mynode) - needgp = __note_gp_changes(rsp, rnp, rdp) || needgp; + needgp = __note_gp_changes(rnp, rdp) || needgp; /* smp_mb() provided by prior unlock-lock pair. */ needgp = rcu_future_gp_cleanup(rnp) || needgp; sq = rcu_nocb_gp_get(rnp); |
