Commit-ID: 8fd119b6522fea9ba5e68a3aa653f1490778fb25
Gitweb: https://git.kernel.org/tip/8fd119b6522fea9ba5e68a3aa653f1490778fb25
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Tue, 3 Jul 2018 17:22:34 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 30 Aug 2018 16:02:56 -0700
rcu: Remove rsp parameter from rcu_check_gp_kthread_starvation()
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_check_gp_kthread_starvation().
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/rcu/tree.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index bcfdb92d5d10..09f05083f01d 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1240,10 +1240,11 @@ static const char *gp_state_getname(short gs)
/*
* Complain about starvation of grace-period kthread.
*/
-static void rcu_check_gp_kthread_starvation(struct rcu_state *rsp)
+static void rcu_check_gp_kthread_starvation(void)
{
unsigned long gpa;
unsigned long j;
+ struct rcu_state *rsp = &rcu_state;
j = jiffies;
gpa = READ_ONCE(rsp->gp_activity);
@@ -1377,7 +1378,7 @@ static void print_other_cpu_stall(struct rcu_state *rsp, unsigned long gp_seq)
WRITE_ONCE(rsp->jiffies_stall,
jiffies + 3 * rcu_jiffies_till_stall_check() + 3);
- rcu_check_gp_kthread_starvation(rsp);
+ rcu_check_gp_kthread_starvation();
panic_on_rcu_stall();
@@ -1415,7 +1416,7 @@ static void print_cpu_stall(struct rcu_state *rsp)
jiffies - rsp->gp_start,
(long)rcu_seq_current(&rsp->gp_seq), totqlen);
- rcu_check_gp_kthread_starvation(rsp);
+ rcu_check_gp_kthread_starvation();
rcu_dump_cpu_stacks(rsp);
|