diff options
| author | Frederic Weisbecker <frederic@kernel.org> | 2021-11-23 01:37:08 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-12-09 11:35:16 -0800 |
| commit | 10d4703154a72fb4f30fc90a4a7212bf138c17a2 (patch) | |
| tree | 94fb2f8c96cd0f71300dbfb8aacef918e728c994 /kernel | |
| parent | d2cf0854d728c42524efc169edb3505de8c1a9dc (diff) | |
rcu/nocb: Merge rcu_spawn_cpu_nocb_kthread() and rcu_spawn_one_nocb_kthread()
The rcu_spawn_one_nocb_kthread() function is called only from
rcu_spawn_cpu_nocb_kthread(). Therefore, inline the former into
the latter, saving a few lines of code.
Reviewed-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Uladzislau Rezki <urezki@gmail.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Joel Fernandes <joel@joelfernandes.org>
Tested-by: Juri Lelli <juri.lelli@redhat.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rcu/tree_nocb.h | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/kernel/rcu/tree_nocb.h b/kernel/rcu/tree_nocb.h index 0c1802ce4764..eeafb546a7a0 100644 --- a/kernel/rcu/tree_nocb.h +++ b/kernel/rcu/tree_nocb.h @@ -1233,12 +1233,15 @@ static void __init rcu_boot_init_nocb_percpu_data(struct rcu_data *rdp) * rcuo CB kthread, spawn it. Additionally, if the rcuo GP kthread * for this CPU's group has not yet been created, spawn it as well. */ -static void rcu_spawn_one_nocb_kthread(int cpu) +static void rcu_spawn_cpu_nocb_kthread(int cpu) { struct rcu_data *rdp = per_cpu_ptr(&rcu_data, cpu); struct rcu_data *rdp_gp; struct task_struct *t; + if (!rcu_scheduler_fully_active || !rcu_nocb_is_setup) + return; + /* If there already is an rcuo kthread, then nothing to do. */ if (rdp->nocb_cb_kthread) return; @@ -1263,16 +1266,6 @@ static void rcu_spawn_one_nocb_kthread(int cpu) } /* - * If the specified CPU is a no-CBs CPU that does not already have its - * rcuo kthread, spawn it. - */ -static void rcu_spawn_cpu_nocb_kthread(int cpu) -{ - if (rcu_scheduler_fully_active && rcu_nocb_is_setup) - rcu_spawn_one_nocb_kthread(cpu); -} - -/* * Once the scheduler is running, spawn rcuo kthreads for all online * no-CBs CPUs. This assumes that the early_initcall()s happen before * non-boot CPUs come online -- if this changes, we will need to add |