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 16:03:10 -0700 |
commit | 81ab59a3ad8656620d7106e855085bc12dc13a4c (patch) | |
tree | 231f3c40a4a41fc6d3b7d3900fb75b46450d587e /kernel/rcu/tree_plugin.h | |
parent | a2887cd85f38cf2fdbf42bad97e5c412d99ff5ca (diff) |
rcu: Remove rsp parameter from dump_blkd_tasks() and friend
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
dump_blkd_tasks() and rcu_preempt_blocked_readers_cgp().
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/tree_plugin.h')
-rw-r--r-- | kernel/rcu/tree_plugin.h | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 1d8148b0d4e5..9a3d30121815 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -756,14 +756,13 @@ static int rcu_print_task_exp_stall(struct rcu_node *rnp) * Also, if there are blocked tasks on the list, they automatically * block the newly created grace period, so set up ->gp_tasks accordingly. */ -static void -rcu_preempt_check_blocked_tasks(struct rcu_state *rsp, struct rcu_node *rnp) +static void rcu_preempt_check_blocked_tasks(struct rcu_node *rnp) { struct task_struct *t; RCU_LOCKDEP_WARN(preemptible(), "rcu_preempt_check_blocked_tasks() invoked with preemption enabled!!!\n"); if (WARN_ON_ONCE(rcu_preempt_blocked_readers_cgp(rnp))) - dump_blkd_tasks(rsp, rnp, 10); + dump_blkd_tasks(rnp, 10); if (rcu_preempt_has_tasks(rnp) && (rnp->qsmaskinit || rnp->wait_blkd_tasks)) { rnp->gp_tasks = rnp->blkd_tasks.next; @@ -884,7 +883,7 @@ void exit_rcu(void) * specified number of elements. */ static void -dump_blkd_tasks(struct rcu_state *rsp, struct rcu_node *rnp, int ncheck) +dump_blkd_tasks(struct rcu_node *rnp, int ncheck) { int cpu; int i; @@ -1033,8 +1032,7 @@ static int rcu_print_task_exp_stall(struct rcu_node *rnp) * so there is no need to check for blocked tasks. So check only for * bogus qsmask values. */ -static void -rcu_preempt_check_blocked_tasks(struct rcu_state *rsp, struct rcu_node *rnp) +static void rcu_preempt_check_blocked_tasks(struct rcu_node *rnp) { WARN_ON_ONCE(rnp->qsmask); } @@ -1095,7 +1093,7 @@ void exit_rcu(void) * Dump the guaranteed-empty blocked-tasks state. Trust but verify. */ static void -dump_blkd_tasks(struct rcu_state *rsp, struct rcu_node *rnp, int ncheck) +dump_blkd_tasks(struct rcu_node *rnp, int ncheck) { WARN_ON_ONCE(!list_empty(&rnp->blkd_tasks)); } |