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Subject[PATCH tip/core/rcu 17/52] rcu: Remove rsp parameter from rcu_accelerate_cbs_unlocked()
Date
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_accelerate_cbs_unlocked().

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
kernel/rcu/tree.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 2c1d457e8cc2..442adb8eedc1 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1703,15 +1703,14 @@ static bool rcu_accelerate_cbs(struct rcu_node *rnp, struct rcu_data *rdp)
* that a new grace-period request be made, invokes rcu_accelerate_cbs()
* while holding the leaf rcu_node structure's ->lock.
*/
-static void rcu_accelerate_cbs_unlocked(struct rcu_state *rsp,
- struct rcu_node *rnp,
+static void rcu_accelerate_cbs_unlocked(struct rcu_node *rnp,
struct rcu_data *rdp)
{
unsigned long c;
bool needwake;

lockdep_assert_irqs_disabled();
- c = rcu_seq_snap(&rsp->gp_seq);
+ c = rcu_seq_snap(&rcu_state.gp_seq);
if (!rdp->gpwrap && ULONG_CMP_GE(rdp->gp_seq_needed, c)) {
/* Old request still live, so mark recent callbacks. */
(void)rcu_segcblist_accelerate(&rdp->cblist, c);
@@ -2758,7 +2757,7 @@ __rcu_process_callbacks(struct rcu_state *rsp)
rcu_segcblist_is_enabled(&rdp->cblist)) {
local_irq_save(flags);
if (!rcu_segcblist_restempty(&rdp->cblist, RCU_NEXT_READY_TAIL))
- rcu_accelerate_cbs_unlocked(rsp, rnp, rdp);
+ rcu_accelerate_cbs_unlocked(rnp, rdp);
local_irq_restore(flags);
}

@@ -2845,7 +2844,7 @@ static void __call_rcu_core(struct rcu_state *rsp, struct rcu_data *rdp,

/* Start a new grace period if one not already started. */
if (!rcu_gp_in_progress()) {
- rcu_accelerate_cbs_unlocked(rsp, rdp->mynode, rdp);
+ rcu_accelerate_cbs_unlocked(rdp->mynode, rdp);
} else {
/* Give the grace period a kick. */
rdp->blimit = LONG_MAX;
--
2.17.1
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