From a616aec9aa140ef1ca61b06cec467391cbef11d7 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 22 Mar 2021 22:29:10 -0700 Subject: rcu: Fix various typos in comments Fix ~12 single-word typos in RCU code comments. [ paulmck: Apply feedback from Randy Dunlap. ] Reviewed-by: Randy Dunlap Signed-off-by: Ingo Molnar Signed-off-by: Paul E. McKenney --- kernel/rcu/srcutree.c | 4 ++-- kernel/rcu/sync.c | 4 ++-- kernel/rcu/tasks.h | 8 ++++---- kernel/rcu/tree.c | 6 +++--- kernel/rcu/tree.h | 2 +- kernel/rcu/tree_plugin.h | 2 +- 6 files changed, 13 insertions(+), 13 deletions(-) (limited to 'kernel/rcu') diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index e26547b34ad3..036ff5499ad5 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -777,9 +777,9 @@ static bool srcu_might_be_idle(struct srcu_struct *ssp) spin_unlock_irqrestore_rcu_node(sdp, flags); /* - * No local callbacks, so probabalistically probe global state. + * No local callbacks, so probabilistically probe global state. * Exact information would require acquiring locks, which would - * kill scalability, hence the probabalistic nature of the probe. + * kill scalability, hence the probabilistic nature of the probe. */ /* First, see if enough time has passed since the last GP. */ diff --git a/kernel/rcu/sync.c b/kernel/rcu/sync.c index d4558ab7a07d..33d896d85902 100644 --- a/kernel/rcu/sync.c +++ b/kernel/rcu/sync.c @@ -94,9 +94,9 @@ static void rcu_sync_func(struct rcu_head *rhp) rcu_sync_call(rsp); } else { /* - * We're at least a GP after the last rcu_sync_exit(); eveybody + * We're at least a GP after the last rcu_sync_exit(); everybody * will now have observed the write side critical section. - * Let 'em rip!. + * Let 'em rip! */ WRITE_ONCE(rsp->gp_state, GP_IDLE); } diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h index 350ebf5051f9..da906b7f3a86 100644 --- a/kernel/rcu/tasks.h +++ b/kernel/rcu/tasks.h @@ -23,7 +23,7 @@ typedef void (*postgp_func_t)(struct rcu_tasks *rtp); * struct rcu_tasks - Definition for a Tasks-RCU-like mechanism. * @cbs_head: Head of callback list. * @cbs_tail: Tail pointer for callback list. - * @cbs_wq: Wait queue allowning new callback to get kthread's attention. + * @cbs_wq: Wait queue allowing new callback to get kthread's attention. * @cbs_lock: Lock protecting callback list. * @kthread_ptr: This flavor's grace-period/callback-invocation kthread. * @gp_func: This flavor's grace-period-wait function. @@ -504,7 +504,7 @@ DEFINE_RCU_TASKS(rcu_tasks, rcu_tasks_wait_gp, call_rcu_tasks, "RCU Tasks"); * or transition to usermode execution. As such, there are no read-side * primitives analogous to rcu_read_lock() and rcu_read_unlock() because * this primitive is intended to determine that all tasks have passed - * through a safe state, not so much for data-strcuture synchronization. + * through a safe state, not so much for data-structure synchronization. * * See the description of call_rcu() for more detailed information on * memory ordering guarantees. @@ -637,7 +637,7 @@ DEFINE_RCU_TASKS(rcu_tasks_rude, rcu_tasks_rude_wait_gp, call_rcu_tasks_rude, * there are no read-side primitives analogous to rcu_read_lock() and * rcu_read_unlock() because this primitive is intended to determine * that all tasks have passed through a safe state, not so much for - * data-strcuture synchronization. + * data-structure synchronization. * * See the description of call_rcu() for more detailed information on * memory ordering guarantees. @@ -1163,7 +1163,7 @@ static void exit_tasks_rcu_finish_trace(struct task_struct *t) * there are no read-side primitives analogous to rcu_read_lock() and * rcu_read_unlock() because this primitive is intended to determine * that all tasks have passed through a safe state, not so much for - * data-strcuture synchronization. + * data-structure synchronization. * * See the description of call_rcu() for more detailed information on * memory ordering guarantees. diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 5f1545aab9ed..ed1b5465b3e8 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -2489,7 +2489,7 @@ int rcutree_dead_cpu(unsigned int cpu) /* * Invoke any RCU callbacks that have made it to the end of their grace - * period. Thottle as specified by rdp->blimit. + * period. Throttle as specified by rdp->blimit. */ static void rcu_do_batch(struct rcu_data *rdp) { @@ -3848,7 +3848,7 @@ EXPORT_SYMBOL_GPL(start_poll_synchronize_rcu); * * If a full RCU grace period has elapsed since the earlier call from * which oldstate was obtained, return @true, otherwise return @false. - * If @false is returned, it is the caller's responsibilty to invoke this + * If @false is returned, it is the caller's responsibility to invoke this * function later on until it does return @true. Alternatively, the caller * can explicitly wait for a grace period, for example, by passing @oldstate * to cond_synchronize_rcu() or by directly invoking synchronize_rcu(). @@ -4094,7 +4094,7 @@ EXPORT_SYMBOL_GPL(rcu_barrier); /* * Propagate ->qsinitmask bits up the rcu_node tree to account for the * first CPU in a given leaf rcu_node structure coming online. The caller - * must hold the corresponding leaf rcu_node ->lock with interrrupts + * must hold the corresponding leaf rcu_node ->lock with interrupts * disabled. */ static void rcu_init_new_rnp(struct rcu_node *rnp_leaf) diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h index 9a16487edfca..c1ed047cb128 100644 --- a/kernel/rcu/tree.h +++ b/kernel/rcu/tree.h @@ -153,7 +153,7 @@ struct rcu_data { unsigned long gp_seq; /* Track rsp->gp_seq counter. */ unsigned long gp_seq_needed; /* Track furthest future GP request. */ union rcu_noqs cpu_no_qs; /* No QSes yet for this CPU. */ - bool core_needs_qs; /* Core waits for quiesc state. */ + bool core_needs_qs; /* Core waits for quiescent state. */ bool beenonline; /* CPU online at least once. */ bool gpwrap; /* Possible ->gp_seq wrap. */ bool exp_deferred_qs; /* This CPU awaiting a deferred QS? */ diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index dfb048ec559f..b0c3fb4379c3 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -2857,7 +2857,7 @@ static void show_rcu_nocb_state(struct rcu_data *rdp) waslocked = raw_spin_is_locked(&rdp->nocb_gp_lock); wassleep = swait_active(&rdp->nocb_gp_wq); if (!rdp->nocb_gp_sleep && !waslocked && !wassleep) - return; /* Nothing untowards. */ + return; /* Nothing untoward. */ pr_info(" nocb GP activity on CB-only CPU!!! %c%c%c %c\n", "lL"[waslocked], -- cgit v1.2.3-59-g8ed1b