| From | "Paul E. McKenney" <> | Subject | [PATCH tip/core/rcu 08/52] rcu: Remove rsp parameter from rcu_check_gp_kthread_starvation() | Date | Wed, 29 Aug 2018 15:38:10 -0700 |
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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@linux.vnet.ibm.com> --- 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 7f3e93eb726a..0f419554122a 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1239,10 +1239,11 @@ 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); @@ -1376,7 +1377,7 @@ 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(); @@ -1414,7 +1415,7 @@ 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); -- 2.17.1
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