All of lore.kernel.org
 help / color / mirror / Atom feed
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Marc Zyngier <maz@kernel.org>, Rich Felker <dalias@libc.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Paul McKenney <paulmck@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	linux-sh@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
	Richard Weinberger <richard@nod.at>,
	Frederic Weisbecker <frederic@kernel.org>,
	Valentin Schneider <valentin.schneider@arm.com>,
	Jeff Dike <jdike@addtoit.com>,
	Russell King <linux@armlinux.org.uk>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	linux-parisc@vger.kernel.org, Helge Deller <deller@gmx.de>,
	linux-um@lists.infradead.org, Will Deacon <will@kernel.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	Anton Ivanov <anton.ivanov@cambridgegreys.com>
Subject: [patch 13/19] softirq: Move various protections into inline helpers
Date: Fri, 13 Nov 2020 14:02:20 +0000	[thread overview]
Message-ID: <20201113141734.207605126@linutronix.de> (raw)
In-Reply-To: <20201113140207.499353218@linutronix.de>

To allow reuse of the bulk of softirq processing code for RT and to avoid
#ifdeffery all over the place, split protections for various code sections
out into inline helpers so the RT variant can just replace them in one go.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/softirq.c |   53 ++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 44 insertions(+), 9 deletions(-)

--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -204,6 +204,42 @@ void __local_bh_enable_ip(unsigned long
 }
 EXPORT_SYMBOL(__local_bh_enable_ip);
 
+static inline void local_bh_disable_irq_enter(void)
+{
+	local_bh_disable();
+}
+
+static inline void local_bh_enable_irq_enter(void)
+{
+	_local_bh_enable();
+}
+
+static inline void softirq_handle_begin(void)
+{
+	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_OFFSET);
+}
+
+static inline void softirq_handle_end(void)
+{
+	__local_bh_enable(SOFTIRQ_OFFSET);
+	WARN_ON_ONCE(in_interrupt());
+}
+
+static inline void ksoftirqd_run_begin(void)
+{
+	local_irq_disable();
+}
+
+static inline void ksoftirqd_run_end(void)
+{
+	local_irq_enable();
+}
+
+static inline bool should_wake_ksoftirqd(void)
+{
+	return true;
+}
+
 static inline void invoke_softirq(void)
 {
 	if (ksoftirqd_running(local_softirq_pending()))
@@ -317,7 +353,7 @@ asmlinkage __visible void __softirq_entr
 	pending = local_softirq_pending();
 	account_irq_enter_time(current);
 
-	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_OFFSET);
+	softirq_handle_begin();
 	in_hardirq = lockdep_softirq_start();
 
 restart:
@@ -367,8 +403,7 @@ asmlinkage __visible void __softirq_entr
 
 	lockdep_softirq_end(in_hardirq);
 	account_irq_exit_time(current);
-	__local_bh_enable(SOFTIRQ_OFFSET);
-	WARN_ON_ONCE(in_interrupt());
+	softirq_handle_end();
 	current_restore_flags(old_flags, PF_MEMALLOC);
 }
 
@@ -382,9 +417,9 @@ void irq_enter_rcu(void)
 		 * Prevent raise_softirq from needlessly waking up ksoftirqd
 		 * here, as softirq will be serviced on return from interrupt.
 		 */
-		local_bh_disable();
+		local_bh_disable_irq_enter();
 		tick_irq_enter();
-		_local_bh_enable();
+		local_bh_enable_irq_enter();
 	}
 	__irq_enter();
 }
@@ -467,7 +502,7 @@ inline void raise_softirq_irqoff(unsigne
 	 * Otherwise we wake up ksoftirqd to make sure we
 	 * schedule the softirq soon.
 	 */
-	if (!in_interrupt())
+	if (!in_interrupt() && should_wake_ksoftirqd())
 		wakeup_softirqd();
 }
 
@@ -645,18 +680,18 @@ static int ksoftirqd_should_run(unsigned
 
 static void run_ksoftirqd(unsigned int cpu)
 {
-	local_irq_disable();
+	ksoftirqd_run_begin();
 	if (local_softirq_pending()) {
 		/*
 		 * We can safely run softirq on inline stack, as we are not deep
 		 * in the task stack here.
 		 */
 		__do_softirq();
-		local_irq_enable();
+		ksoftirqd_run_end();
 		cond_resched();
 		return;
 	}
-	local_irq_enable();
+	ksoftirqd_run_end();
 }
 
 #ifdef CONFIG_HOTPLUG_CPU

WARNING: multiple messages have this Message-ID
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Frederic Weisbecker <frederic@kernel.org>,
	Paul McKenney <paulmck@kernel.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	Arnd Bergmann <arnd@arndb.de>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	Helge Deller <deller@gmx.de>,
	linux-parisc@vger.kernel.org,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>,
	linux-sh@vger.kernel.org, Jeff Dike <jdike@addtoit.com>,
	Richard Weinberger <richard@nod.at>,
	Anton Ivanov <anton.ivanov@cambridgegreys.com>,
	linux-um@lists.infradead.org,
	Russell King <linux@armlinux.org.uk>,
	Marc Zyngier <maz@kernel.org>,
	Valentin Schneider <valentin.schneider@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>
Subject: [patch 13/19] softirq: Move various protections into inline helpers
Date: Fri, 13 Nov 2020 15:02:20 +0100	[thread overview]
Message-ID: <20201113141734.207605126@linutronix.de> (raw)
In-Reply-To: <20201113140207.499353218@linutronix.de>

To allow reuse of the bulk of softirq processing code for RT and to avoid
#ifdeffery all over the place, split protections for various code sections
out into inline helpers so the RT variant can just replace them in one go.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/softirq.c |   53 ++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 44 insertions(+), 9 deletions(-)

--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -204,6 +204,42 @@ void __local_bh_enable_ip(unsigned long
 }
 EXPORT_SYMBOL(__local_bh_enable_ip);
 
+static inline void local_bh_disable_irq_enter(void)
+{
+	local_bh_disable();
+}
+
+static inline void local_bh_enable_irq_enter(void)
+{
+	_local_bh_enable();
+}
+
+static inline void softirq_handle_begin(void)
+{
+	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_OFFSET);
+}
+
+static inline void softirq_handle_end(void)
+{
+	__local_bh_enable(SOFTIRQ_OFFSET);
+	WARN_ON_ONCE(in_interrupt());
+}
+
+static inline void ksoftirqd_run_begin(void)
+{
+	local_irq_disable();
+}
+
+static inline void ksoftirqd_run_end(void)
+{
+	local_irq_enable();
+}
+
+static inline bool should_wake_ksoftirqd(void)
+{
+	return true;
+}
+
 static inline void invoke_softirq(void)
 {
 	if (ksoftirqd_running(local_softirq_pending()))
@@ -317,7 +353,7 @@ asmlinkage __visible void __softirq_entr
 	pending = local_softirq_pending();
 	account_irq_enter_time(current);
 
-	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_OFFSET);
+	softirq_handle_begin();
 	in_hardirq = lockdep_softirq_start();
 
 restart:
@@ -367,8 +403,7 @@ asmlinkage __visible void __softirq_entr
 
 	lockdep_softirq_end(in_hardirq);
 	account_irq_exit_time(current);
-	__local_bh_enable(SOFTIRQ_OFFSET);
-	WARN_ON_ONCE(in_interrupt());
+	softirq_handle_end();
 	current_restore_flags(old_flags, PF_MEMALLOC);
 }
 
@@ -382,9 +417,9 @@ void irq_enter_rcu(void)
 		 * Prevent raise_softirq from needlessly waking up ksoftirqd
 		 * here, as softirq will be serviced on return from interrupt.
 		 */
-		local_bh_disable();
+		local_bh_disable_irq_enter();
 		tick_irq_enter();
-		_local_bh_enable();
+		local_bh_enable_irq_enter();
 	}
 	__irq_enter();
 }
@@ -467,7 +502,7 @@ inline void raise_softirq_irqoff(unsigne
 	 * Otherwise we wake up ksoftirqd to make sure we
 	 * schedule the softirq soon.
 	 */
-	if (!in_interrupt())
+	if (!in_interrupt() && should_wake_ksoftirqd())
 		wakeup_softirqd();
 }
 
@@ -645,18 +680,18 @@ static int ksoftirqd_should_run(unsigned
 
 static void run_ksoftirqd(unsigned int cpu)
 {
-	local_irq_disable();
+	ksoftirqd_run_begin();
 	if (local_softirq_pending()) {
 		/*
 		 * We can safely run softirq on inline stack, as we are not deep
 		 * in the task stack here.
 		 */
 		__do_softirq();
-		local_irq_enable();
+		ksoftirqd_run_end();
 		cond_resched();
 		return;
 	}
-	local_irq_enable();
+	ksoftirqd_run_end();
 }
 
 #ifdef CONFIG_HOTPLUG_CPU


WARNING: multiple messages have this Message-ID
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Marc Zyngier <maz@kernel.org>, Rich Felker <dalias@libc.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Paul McKenney <paulmck@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	linux-sh@vger.kernel.org, Peter Zijlstra <peterz@infradead.org>,
	Richard Weinberger <richard@nod.at>,
	Frederic Weisbecker <frederic@kernel.org>,
	Valentin Schneider <valentin.schneider@arm.com>,
	Jeff Dike <jdike@addtoit.com>,
	Russell King <linux@armlinux.org.uk>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	linux-parisc@vger.kernel.org, Helge Deller <deller@gmx.de>,
	linux-um@lists.infradead.org, Will Deacon <will@kernel.org>,
	Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	Anton Ivanov <anton.ivanov@cambridgegreys.com>
Subject: [patch 13/19] softirq: Move various protections into inline helpers
Date: Fri, 13 Nov 2020 15:02:20 +0100	[thread overview]
Message-ID: <20201113141734.207605126@linutronix.de> (raw)
In-Reply-To: <20201113140207.499353218@linutronix.de>

To allow reuse of the bulk of softirq processing code for RT and to avoid
#ifdeffery all over the place, split protections for various code sections
out into inline helpers so the RT variant can just replace them in one go.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/softirq.c |   53 ++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 44 insertions(+), 9 deletions(-)

--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -204,6 +204,42 @@ void __local_bh_enable_ip(unsigned long
 }
 EXPORT_SYMBOL(__local_bh_enable_ip);
 
+static inline void local_bh_disable_irq_enter(void)
+{
+	local_bh_disable();
+}
+
+static inline void local_bh_enable_irq_enter(void)
+{
+	_local_bh_enable();
+}
+
+static inline void softirq_handle_begin(void)
+{
+	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_OFFSET);
+}
+
+static inline void softirq_handle_end(void)
+{
+	__local_bh_enable(SOFTIRQ_OFFSET);
+	WARN_ON_ONCE(in_interrupt());
+}
+
+static inline void ksoftirqd_run_begin(void)
+{
+	local_irq_disable();
+}
+
+static inline void ksoftirqd_run_end(void)
+{
+	local_irq_enable();
+}
+
+static inline bool should_wake_ksoftirqd(void)
+{
+	return true;
+}
+
 static inline void invoke_softirq(void)
 {
 	if (ksoftirqd_running(local_softirq_pending()))
@@ -317,7 +353,7 @@ asmlinkage __visible void __softirq_entr
 	pending = local_softirq_pending();
 	account_irq_enter_time(current);
 
-	__local_bh_disable_ip(_RET_IP_, SOFTIRQ_OFFSET);
+	softirq_handle_begin();
 	in_hardirq = lockdep_softirq_start();
 
 restart:
@@ -367,8 +403,7 @@ asmlinkage __visible void __softirq_entr
 
 	lockdep_softirq_end(in_hardirq);
 	account_irq_exit_time(current);
-	__local_bh_enable(SOFTIRQ_OFFSET);
-	WARN_ON_ONCE(in_interrupt());
+	softirq_handle_end();
 	current_restore_flags(old_flags, PF_MEMALLOC);
 }
 
@@ -382,9 +417,9 @@ void irq_enter_rcu(void)
 		 * Prevent raise_softirq from needlessly waking up ksoftirqd
 		 * here, as softirq will be serviced on return from interrupt.
 		 */
-		local_bh_disable();
+		local_bh_disable_irq_enter();
 		tick_irq_enter();
-		_local_bh_enable();
+		local_bh_enable_irq_enter();
 	}
 	__irq_enter();
 }
@@ -467,7 +502,7 @@ inline void raise_softirq_irqoff(unsigne
 	 * Otherwise we wake up ksoftirqd to make sure we
 	 * schedule the softirq soon.
 	 */
-	if (!in_interrupt())
+	if (!in_interrupt() && should_wake_ksoftirqd())
 		wakeup_softirqd();
 }
 
@@ -645,18 +680,18 @@ static int ksoftirqd_should_run(unsigned
 
 static void run_ksoftirqd(unsigned int cpu)
 {
-	local_irq_disable();
+	ksoftirqd_run_begin();
 	if (local_softirq_pending()) {
 		/*
 		 * We can safely run softirq on inline stack, as we are not deep
 		 * in the task stack here.
 		 */
 		__do_softirq();
-		local_irq_enable();
+		ksoftirqd_run_end();
 		cond_resched();
 		return;
 	}
-	local_irq_enable();
+	ksoftirqd_run_end();
 }
 
 #ifdef CONFIG_HOTPLUG_CPU


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2020-11-13 14:02 UTC|newest]

Thread overview: 115+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-13 14:02 [patch 00/19] softirq: Cleanups and RT awareness Thomas Gleixner
2020-11-13 14:02 ` Thomas Gleixner
2020-11-13 14:02 ` Thomas Gleixner
2020-11-13 14:02 ` [patch 01/19] parisc: Remove bogus __IRQ_STAT macro Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 02/19] sh: Get rid of nmi_count() Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2021-01-01 14:27   ` [patch 02/19] " John Paul Adrian Glaubitz
2021-01-01 14:27     ` John Paul Adrian Glaubitz
2020-11-13 14:02 ` [patch 03/19] irqstat: Get rid of nmi_count() and __IRQ_STAT() Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 04/19] um/irqstat: Get rid of the duplicated declarations Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 05/19] ARM: irqstat: Get rid of duplicated declaration Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-16 18:19   ` Valentin Schneider
2020-11-16 18:19     ` Valentin Schneider
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 06/19] arm64: " Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-16 10:01   ` Will Deacon
2020-11-16 10:01     ` Will Deacon
2020-11-16 10:01     ` Will Deacon
2020-11-16 10:51   ` Marc Zyngier
2020-11-16 10:51     ` Marc Zyngier
2020-11-16 10:51     ` Marc Zyngier
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 07/19] asm-generic/irqstat: Add optional __nmi_count member Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 08/19] sh: irqstat: Use the generic irq_cpustat_t Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 09/19] irqstat: Move declaration into asm-generic/hardirq.h Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 10/19] preempt: Cleanup the macro maze a bit Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-16 12:17   ` Peter Zijlstra
2020-11-16 12:17     ` Peter Zijlstra
2020-11-16 12:17     ` Peter Zijlstra
2020-11-16 17:42     ` Thomas Gleixner
2020-11-16 17:42       ` Thomas Gleixner
2020-11-16 17:42       ` Thomas Gleixner
2020-11-17 10:21       ` Peter Zijlstra
2020-11-17 10:21         ` Peter Zijlstra
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 11/19] softirq: Move related code into one section Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-19 12:20   ` Frederic Weisbecker
2020-11-19 12:20     ` Frederic Weisbecker
2020-11-23 22:51   ` [tip: irq/core] " tip-bot2 for Thomas Gleixner
2020-11-13 14:02 ` [patch 12/19] softirq: Add RT specific softirq accounting Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-19 12:18   ` Frederic Weisbecker
2020-11-19 12:18     ` Frederic Weisbecker
2020-11-19 18:34     ` Thomas Gleixner
2020-11-19 18:34       ` Thomas Gleixner
2020-11-19 22:52       ` Frederic Weisbecker
2020-11-19 22:52         ` Frederic Weisbecker
2020-11-13 14:02 ` Thomas Gleixner [this message]
2020-11-13 14:02   ` [patch 13/19] softirq: Move various protections into inline helpers Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02 ` [patch 14/19] softirq: Make softirq control and processing RT aware Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-20  0:26   ` Frederic Weisbecker
2020-11-20  0:26     ` Frederic Weisbecker
2020-11-20 13:27     ` Thomas Gleixner
2020-11-20 13:27       ` Thomas Gleixner
2020-11-23 13:44   ` Frederic Weisbecker
2020-11-23 13:44     ` Frederic Weisbecker
2020-11-23 19:27     ` Thomas Gleixner
2020-11-23 19:27       ` Thomas Gleixner
2020-11-23 19:56       ` Frederic Weisbecker
2020-11-23 19:56         ` Frederic Weisbecker
2020-11-23 23:58       ` Frederic Weisbecker
2020-11-23 23:58         ` Frederic Weisbecker
2020-11-24  0:06         ` Thomas Gleixner
2020-11-24  0:06           ` Thomas Gleixner
2020-11-24  0:13           ` Frederic Weisbecker
2020-11-24  0:13             ` Frederic Weisbecker
2020-11-24  0:22             ` Thomas Gleixner
2020-11-24  0:22               ` Thomas Gleixner
2020-11-13 14:02 ` [patch 15/19] tick/sched: Prevent false positive softirq pending warnings on RT Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02 ` [patch 16/19] rcu: Prevent false positive softirq warning " Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02 ` [patch 17/19] softirq: Replace barrier() with cpu_relax() in tasklet_unlock_wait() Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02 ` [patch 18/19] tasklets: Use static inlines for stub implementations Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02 ` [patch 19/19] tasklets: Prevent kill/unlock_wait deadlock on RT Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner
2020-11-13 14:02   ` Thomas Gleixner

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201113141734.207605126@linutronix.de \
    --to=tglx@linutronix.de \
    --cc=James.Bottomley@HansenPartnership.com \
    --cc=anton.ivanov@cambridgegreys.com \
    --cc=arnd@arndb.de \
    --cc=bigeasy@linutronix.de \
    --cc=catalin.marinas@arm.com \
    --cc=dalias@libc.org \
    --cc=deller@gmx.de \
    --cc=frederic@kernel.org \
    --cc=jdike@addtoit.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-parisc@vger.kernel.org \
    --cc=linux-sh@vger.kernel.org \
    --cc=linux-um@lists.infradead.org \
    --cc=linux@armlinux.org.uk \
    --cc=maz@kernel.org \
    --cc=paulmck@kernel.org \
    --cc=peterz@infradead.org \
    --cc=richard@nod.at \
    --cc=valentin.schneider@arm.com \
    --cc=will@kernel.org \
    --cc=ysato@users.sourceforge.jp \
    --subject='Re: [patch 13/19] softirq: Move various protections into inline helpers' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.