Now that grace-period requests use funnel locking and now that they set ->gp_flags to RCU_GP_FLAG_INIT even when the RCU grace-period kthread has not yet started, rcu_gp_kthread() no longer needs to check need_any_future_gp() at startup time. This commit therefore removes this check.
Signed-off-by: Paul E. McKenney <[email protected]> --- kernel/rcu/tree.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 020a0fe2dbee..ed238886e6ca 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -2135,12 +2135,6 @@ static int __noreturn rcu_gp_kthread(void *arg) struct rcu_state *rsp = arg; struct rcu_node *rnp = rcu_get_root(rsp); - /* Check for early-boot work. */ - raw_spin_lock_irq_rcu_node(rnp); - if (need_any_future_gp(rnp)) - WRITE_ONCE(rsp->gp_flags, RCU_GP_FLAG_INIT); - raw_spin_unlock_irq_rcu_node(rnp); - rcu_bind_gp_kthread(); for (;;) { -- 2.5.2
