Commit 564a9ae6 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

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: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent 88d1bead

kernel/rcu/tree_plugin.h

+6 −8
Original line number Diff line number Diff line
@@ -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.

 */

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