forked from luck/tmp_suning_uos_patched
rcu: Remove unused rcu_data structure field
The ->preemptible field in rcu_data is only initialized in the function rcu_init_percpu_data(), and never used. This commit therefore removes this field. Signed-off-by: Iulia Manda <iulia.manda21@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
This commit is contained in:
parent
365187fbc0
commit
9b67122ae3
|
@ -3180,7 +3180,7 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp)
|
|||
* that this CPU cannot possibly have any RCU callbacks in flight yet.
|
||||
*/
|
||||
static void
|
||||
rcu_init_percpu_data(int cpu, struct rcu_state *rsp, int preemptible)
|
||||
rcu_init_percpu_data(int cpu, struct rcu_state *rsp)
|
||||
{
|
||||
unsigned long flags;
|
||||
unsigned long mask;
|
||||
|
@ -3193,7 +3193,6 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp, int preemptible)
|
|||
/* Set up local state, ensuring consistent view of global state. */
|
||||
raw_spin_lock_irqsave(&rnp->lock, flags);
|
||||
rdp->beenonline = 1; /* We have now been online. */
|
||||
rdp->preemptible = preemptible;
|
||||
rdp->qlen_last_fqs_check = 0;
|
||||
rdp->n_force_qs_snap = rsp->n_force_qs;
|
||||
rdp->blimit = blimit;
|
||||
|
@ -3237,8 +3236,7 @@ static void rcu_prepare_cpu(int cpu)
|
|||
struct rcu_state *rsp;
|
||||
|
||||
for_each_rcu_flavor(rsp)
|
||||
rcu_init_percpu_data(cpu, rsp,
|
||||
strcmp(rsp->name, "rcu_preempt") == 0);
|
||||
rcu_init_percpu_data(cpu, rsp);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
|
@ -252,7 +252,6 @@ struct rcu_data {
|
|||
bool passed_quiesce; /* User-mode/idle loop etc. */
|
||||
bool qs_pending; /* Core waits for quiesc state. */
|
||||
bool beenonline; /* CPU online at least once. */
|
||||
bool preemptible; /* Preemptible RCU? */
|
||||
struct rcu_node *mynode; /* This CPU's leaf of hierarchy */
|
||||
unsigned long grpmask; /* Mask to apply to leaf qsmask. */
|
||||
#ifdef CONFIG_RCU_CPU_STALL_INFO
|
||||
|
|
Loading…
Reference in New Issue
Block a user