linux-kernel - [PATCH 1/4] softirq: Rename __raise_softirq_irqoff() to raise_softirq_no

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20231019233543.1243121-2-frederic@kernel.org>
Date:   Fri, 20 Oct 2023 01:35:40 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Frederic Weisbecker <frederic@...nel.org>,
        Boqun Feng <boqun.feng@...il.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Josh Triplett <josh@...htriplett.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Neeraj Upadhyay <neeraj.upadhyay@....com>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Uladzislau Rezki <urezki@...il.com>, rcu <rcu@...r.kernel.org>,
        Zqiang <qiang.zhang1211@...il.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        "Liam R . Howlett" <Liam.Howlett@...cle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Sebastian Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 1/4] softirq: Rename __raise_softirq_irqoff() to raise_softirq_no_wake()

This makes the purpose of this function clearer.

Fixes: cff9b2332ab7 ("kernel/sched: Modify initial boot task idle setup")
Cc: Liam R. Howlett <Liam.Howlett@...cle.com>
Cc: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Sebastian Siewior <bigeasy@...utronix.de>
Cc: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Frederic Weisbecker <frederic@...nel.org>
---
 block/blk-mq.c            | 2 +-
 include/linux/interrupt.h | 2 +-
 kernel/softirq.c          | 6 +++---
 lib/irq_poll.c            | 4 ++--
 net/core/dev.c            | 8 ++++----
 5 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 1fafd54dce3c..1bda40a2aa29 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1144,7 +1144,7 @@ static int blk_softirq_cpu_dead(unsigned int cpu)
 
 static void __blk_mq_complete_request_remote(void *data)
 {
-	__raise_softirq_irqoff(BLOCK_SOFTIRQ);
+	raise_softirq_no_wake(BLOCK_SOFTIRQ);
 }
 
 static inline bool blk_mq_complete_need_ipi(struct request *rq)
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 76121c2bb4f8..558a1a329da9 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -604,7 +604,7 @@ static inline void do_softirq_post_smp_call_flush(unsigned int unused)
 
 extern void open_softirq(int nr, void (*action)(struct softirq_action *));
 extern void softirq_init(void);
-extern void __raise_softirq_irqoff(unsigned int nr);
+extern void raise_softirq_no_wake(unsigned int nr);
 
 extern void raise_softirq_irqoff(unsigned int nr);
 extern void raise_softirq(unsigned int nr);
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 210cf5f8d92c..acfed6f3701d 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -664,7 +664,7 @@ void irq_exit(void)
  */
 inline void raise_softirq_irqoff(unsigned int nr)
 {
-	__raise_softirq_irqoff(nr);
+	raise_softirq_no_wake(nr);
 
 	/*
 	 * If we're in an interrupt or softirq, we're done
@@ -688,7 +688,7 @@ void raise_softirq(unsigned int nr)
 	local_irq_restore(flags);
 }
 
-void __raise_softirq_irqoff(unsigned int nr)
+void raise_softirq_no_wake(unsigned int nr)
 {
 	lockdep_assert_irqs_disabled();
 	trace_softirq_raise(nr);
@@ -795,7 +795,7 @@ static void tasklet_action_common(struct softirq_action *a,
 		t->next = NULL;
 		*tl_head->tail = t;
 		tl_head->tail = &t->next;
-		__raise_softirq_irqoff(softirq_nr);
+		raise_softirq_no_wake(softirq_nr);
 		local_irq_enable();
 	}
 }
diff --git a/lib/irq_poll.c b/lib/irq_poll.c
index 2d5329a42105..193cd847fd8f 100644
--- a/lib/irq_poll.c
+++ b/lib/irq_poll.c
@@ -130,7 +130,7 @@ static void __latent_entropy irq_poll_softirq(struct softirq_action *h)
 	}
 
 	if (rearm)
-		__raise_softirq_irqoff(IRQ_POLL_SOFTIRQ);
+		raise_softirq_no_wake(IRQ_POLL_SOFTIRQ);
 
 	local_irq_enable();
 }
@@ -197,7 +197,7 @@ static int irq_poll_cpu_dead(unsigned int cpu)
 	local_irq_disable();
 	list_splice_init(&per_cpu(blk_cpu_iopoll, cpu),
 			 this_cpu_ptr(&blk_cpu_iopoll));
-	__raise_softirq_irqoff(IRQ_POLL_SOFTIRQ);
+	raise_softirq_no_wake(IRQ_POLL_SOFTIRQ);
 	local_irq_enable();
 	local_bh_enable();
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 85df22f05c38..6f4622cc8939 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4459,7 +4459,7 @@ static inline void ____napi_schedule(struct softnet_data *sd,
 	 * we have to raise NET_RX_SOFTIRQ.
 	 */
 	if (!sd->in_net_rx_action)
-		__raise_softirq_irqoff(NET_RX_SOFTIRQ);
+		raise_softirq_no_wake(NET_RX_SOFTIRQ);
 }
 
 #ifdef CONFIG_RPS
@@ -4678,7 +4678,7 @@ static void trigger_rx_softirq(void *data)
 {
 	struct softnet_data *sd = data;
 
-	__raise_softirq_irqoff(NET_RX_SOFTIRQ);
+	raise_softirq_no_wake(NET_RX_SOFTIRQ);
 	smp_store_release(&sd->defer_ipi_scheduled, 0);
 }
 
@@ -4705,7 +4705,7 @@ static void napi_schedule_rps(struct softnet_data *sd)
 		 * we have to raise NET_RX_SOFTIRQ.
 		 */
 		if (!mysd->in_net_rx_action && !mysd->in_napi_threaded_poll)
-			__raise_softirq_irqoff(NET_RX_SOFTIRQ);
+			raise_softirq_no_wake(NET_RX_SOFTIRQ);
 		return;
 	}
 #endif /* CONFIG_RPS */
@@ -6743,7 +6743,7 @@ static __latent_entropy void net_rx_action(struct softirq_action *h)
 	list_splice_tail(&repoll, &list);
 	list_splice(&list, &sd->poll_list);
 	if (!list_empty(&sd->poll_list))
-		__raise_softirq_irqoff(NET_RX_SOFTIRQ);
+		raise_softirq_no_wake(NET_RX_SOFTIRQ);
 	else
 		sd->in_net_rx_action = false;
 
-- 
2.34.1