Commit-ID: 4e8b8e08f931c9378dec9f304f8a170bcf5e70bb
Gitweb: https://git.kernel.org/tip/4e8b8e08f931c9378dec9f304f8a170bcf5e70bb
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 16:02:58 -0700
rcu: Remove rsp parameter from print_cpu_stall()
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
print_cpu_stall().
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
kernel/rcu/tree.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 13f507789588..f139b8202d5d 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1387,12 +1387,13 @@ static void print_other_cpu_stall(unsigned long gp_seq)
force_quiescent_state(rsp); /* Kick them all. */
}
-static void print_cpu_stall(struct rcu_state *rsp)
+static void print_cpu_stall(void)
{
int cpu;
unsigned long flags;
struct rcu_data *rdp = this_cpu_ptr(&rcu_data);
struct rcu_node *rnp = rcu_get_root();
+ struct rcu_state *rsp = &rcu_state;
long totqlen = 0;
/* Kick and suppress, if so configured. */
@@ -1492,7 +1493,7 @@ static void check_cpu_stall(struct rcu_state *rsp, struct rcu_data *rdp)
cmpxchg(&rsp->jiffies_stall, js, jn) == js) {
/* We haven't checked in, so go dump stack. */
- print_cpu_stall(rsp);
+ print_cpu_stall();
} else if (rcu_gp_in_progress() &&
ULONG_CMP_GE(j, js + RCU_STALL_RAT_DELAY) &&
|