From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@kernel.org, laijs@cn.fujitsu.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org,
rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com,
bobby.prani@gmail.com,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 03/10] rcu: Fix invoke_rcu_callbacks() comment
Date: Wed, 7 Jan 2015 09:20:50 -0800 [thread overview]
Message-ID: <1420651257-553-3-git-send-email-paulmck@linux.vnet.ibm.com> (raw)
In-Reply-To: <1420651257-553-1-git-send-email-paulmck@linux.vnet.ibm.com>
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Despite what the comment says, it is only softirqs that are disabled,
not interrupts. This commit therefore fixes the comment.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---
kernel/rcu/tree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 4c106fcc0d54..9c25b99e2c33 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2601,7 +2601,7 @@ static void rcu_process_callbacks(struct softirq_action *unused)
* Schedule RCU callback invocation. If the specified type of RCU
* does not support RCU priority boosting, just do a direct call,
* otherwise wake up the per-CPU kernel kthread. Note that because we
- * are running on the current CPU with interrupts disabled, the
+ * are running on the current CPU with softirqs disabled, the
* rcu_cpu_kthread_task cannot disappear out from under us.
*/
static void invoke_rcu_callbacks(struct rcu_state *rsp, struct rcu_data *rdp)
--
1.8.1.5
next prev parent reply other threads:[~2015-01-07 17:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-07 17:20 [PATCH tip/core/rcu 0/10] Miscellaneous fixes for 3.20 Paul E. McKenney
2015-01-07 17:20 ` [PATCH tip/core/rcu 01/10] rcu: Make rcu_nmi_enter() handle nesting Paul E. McKenney
2015-01-07 17:20 ` [PATCH tip/core/rcu 02/10] rcu: Remove redundant rcu_is_cpu_rrupt_from_idle() from tiny RCU Paul E. McKenney
2015-01-07 17:20 ` Paul E. McKenney [this message]
2015-01-07 17:20 ` [PATCH tip/core/rcu 04/10] compiler: Allow 1- and 2-byte smp_load_acquire() and smp_store_release() Paul E. McKenney
2015-01-07 17:20 ` [PATCH tip/core/rcu 05/10] rcupdate: Replace smp_read_barrier_depends() with lockless_dereference() Paul E. McKenney
2015-01-07 17:20 ` [PATCH tip/core/rcu 06/10] tiny_rcu: Directly force QS when call_rcu_[bh|sched]() on idle_task Paul E. McKenney
2015-01-07 17:20 ` [PATCH tip/core/rcu 07/10] rculist: Fix sparse warning Paul E. McKenney
2015-01-07 17:20 ` [PATCH tip/core/rcu 08/10] hotplugcpu: Avoid deadlocks by waking active_writer Paul E. McKenney
2015-01-07 17:20 ` [PATCH tip/core/rcu 09/10] rcu: Fix rcu_barrier() race that could result in too-short wait Paul E. McKenney
2015-01-07 17:20 ` [PATCH tip/core/rcu 10/10] rcu: Remove "select IRQ_WORK" from config TREE_RCU Paul E. McKenney
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