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rcu: Remove last non-flavor-traversal rsp local variable from tree_plugin.h 

This commit removes the last non-flavor-traversal rsp local variable from
kernel/rcu/tree_plugin.h in favor of &rcu_state.  The flavor-traversal
locals will be removed with the removal of flavor traversal.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2018-07-04 14:52:04 -07:00
parent 88d1bead85
commit 564a9ae604
1 changed files with 6 additions and 8 deletions
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14
kernel/rcu/tree_plugin.h
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@ -782,7 +782,6 @@ static void rcu_preempt_check_blocked_tasks(struct rcu_node *rnp)
*/
static void rcu_flavor_check_callbacks(int user)
{
struct rcu_state *rsp = &rcu_state;
struct task_struct *t = current;
if (user || rcu_is_cpu_rrupt_from_idle()) {
@ -806,7 +805,7 @@ static void rcu_flavor_check_callbacks(int user)
__this_cpu_read(rcu_data.core_needs_qs) &&
__this_cpu_read(rcu_data.cpu_no_qs.b.norm) &&
!t->rcu_read_unlock_special.b.need_qs &&
time_after(jiffies, rsp->gp_start + HZ))
time_after(jiffies, rcu_state.gp_start + HZ))
t->rcu_read_unlock_special.b.need_qs = true;
}
@ -1761,12 +1760,11 @@ static void print_cpu_stall_info_begin(void)
/*
* Print out diagnostic information for the specified stalled CPU.
*
* If the specified CPU is aware of the current RCU grace period
* (flavor specified by rsp), then print the number of scheduling
* clock interrupts the CPU has taken during the time that it has
* been aware. Otherwise, print the number of RCU grace periods
* that this CPU is ignorant of, for example, "1" if the CPU was
* aware of the previous grace period.
* If the specified CPU is aware of the current RCU grace period, then
* print the number of scheduling clock interrupts the CPU has taken
* during the time that it has been aware. Otherwise, print the number
* of RCU grace periods that this CPU is ignorant of, for example, "1"
* if the CPU was aware of the previous grace period.
*
* Also print out idle and (if CONFIG_RCU_FAST_NO_HZ) idle-entry info.
*/