Commit 32a9f26e authored by Valentin Schneider's avatar Valentin Schneider Committed by Neeraj Upadhyay
Browse files

rcu: Rename rcu_momentary_dyntick_idle() into rcu_momentary_eqs() 



The context_tracking.state RCU_DYNTICKS subvariable has been renamed to
RCU_WATCHING, replace "dyntick_idle" into "eqs" to drop the dyntick
reference.

Signed-off-by: default avatarValentin Schneider <vschneid@redhat.com>
Reviewed-by: default avatarFrederic Weisbecker <frederic@kernel.org>
Signed-off-by: default avatarNeeraj Upadhyay <neeraj.upadhyay@kernel.org>
parent 3b18eb3f

include/linux/rcutiny.h

+1 −1
Original line number Diff line number Diff line
@@ -158,7 +158,7 @@ void rcu_scheduler_starting(void); 
static inline void rcu_end_inkernel_boot(void) { }

static inline bool rcu_inkernel_boot_has_ended(void) { return true; }

static inline bool rcu_is_watching(void) { return true; }

static inline void rcu_momentary_dyntick_idle(void) { }

static inline void rcu_momentary_eqs(void) { }

static inline void kfree_rcu_scheduler_running(void) { }

static inline bool rcu_gp_might_be_stalled(void) { return false; }

include/linux/rcutree.h

+1 −1
Original line number Diff line number Diff line
@@ -37,7 +37,7 @@ void synchronize_rcu_expedited(void); 
void kvfree_call_rcu(struct rcu_head *head, void *ptr);



void rcu_barrier(void);

void rcu_momentary_dyntick_idle(void);

void rcu_momentary_eqs(void);

void kfree_rcu_scheduler_running(void);

bool rcu_gp_might_be_stalled(void);

kernel/rcu/rcutorture.c

+2 −2
Original line number Diff line number Diff line
@@ -2680,7 +2680,7 @@ static unsigned long rcu_torture_fwd_prog_cbfree(struct rcu_fwd *rfp) 
		rcu_torture_fwd_prog_cond_resched(freed);

		if (tick_nohz_full_enabled()) {

			local_irq_save(flags);

			rcu_momentary_dyntick_idle();

			rcu_momentary_eqs();

			local_irq_restore(flags);

		}

	}
@@ -2830,7 +2830,7 @@ static void rcu_torture_fwd_prog_cr(struct rcu_fwd *rfp) 
		rcu_torture_fwd_prog_cond_resched(n_launders + n_max_cbs);

		if (tick_nohz_full_enabled()) {

			local_irq_save(flags);

			rcu_momentary_dyntick_idle();

			rcu_momentary_eqs();

			local_irq_restore(flags);

		}

	}

kernel/rcu/tree.c

+2 −2
Original line number Diff line number Diff line
@@ -367,7 +367,7 @@ bool rcu_watching_zero_in_eqs(int cpu, int *vp) 
 *

 * The caller must have disabled interrupts and must not be idle.

 */

notrace void rcu_momentary_dyntick_idle(void)

notrace void rcu_momentary_eqs(void)

{

	int seq;
@@ -377,7 +377,7 @@ notrace void rcu_momentary_dyntick_idle(void) 
	WARN_ON_ONCE(!(seq & CT_RCU_WATCHING));

	rcu_preempt_deferred_qs(current);

}

EXPORT_SYMBOL_GPL(rcu_momentary_dyntick_idle);

EXPORT_SYMBOL_GPL(rcu_momentary_eqs);



/**

 * rcu_is_cpu_rrupt_from_idle - see if 'interrupted' from idle

kernel/rcu/tree_nocb.h

+1 −1
Original line number Diff line number Diff line
@@ -917,7 +917,7 @@ static void nocb_cb_wait(struct rcu_data *rdp) 
	WARN_ON_ONCE(!rcu_rdp_is_offloaded(rdp));



	local_irq_save(flags);

	rcu_momentary_dyntick_idle();

	rcu_momentary_eqs();

	local_irq_restore(flags);

	/*

	 * Disable BH to provide the expected environment.  Also, when