From: Peter Zijlstra <peterz@infradead.org>
To: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Russell King <linux@arm.linux.org.uk>,
Thomas Gleixner <tglx@linutronix.de>,
Aaron Tomlin <atomlin@redhat.com>, Ingo Molnar <mingo@redhat.com>,
Andrew Morton <akpm@osdl.org>,
Daniel Thompson <daniel.thompson@linaro.org>,
x86@kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH v2 4/4] nmi_backtrace: generate one-line reports for idle cpus
Date: Mon, 21 Mar 2016 17:48:44 +0100 [thread overview]
Message-ID: <20160321164843.GD6344@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1458147733-29338-5-git-send-email-cmetcalf@mellanox.com>
The below annotates the two most used idle functions on x86
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -152,7 +152,7 @@ int acpi_processor_ffh_cstate_probe(unsi
}
EXPORT_SYMBOL_GPL(acpi_processor_ffh_cstate_probe);
-void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cx)
+__cpuidle void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cx)
{
unsigned int cpu = smp_processor_id();
struct cstate_entry *percpu_entry;
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -725,7 +725,7 @@ static struct cpuidle_state avn_cstates[
*
* Must be called under local_irq_disable().
*/
-static int intel_idle(struct cpuidle_device *dev,
+__cpuidle static int intel_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
unsigned long ecx = 1; /* break on interrupt flag */
WARNING: multiple messages have this Message-ID (diff)
From: peterz@infradead.org (Peter Zijlstra)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 4/4] nmi_backtrace: generate one-line reports for idle cpus
Date: Mon, 21 Mar 2016 17:48:44 +0100 [thread overview]
Message-ID: <20160321164843.GD6344@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <1458147733-29338-5-git-send-email-cmetcalf@mellanox.com>
The below annotates the two most used idle functions on x86
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -152,7 +152,7 @@ int acpi_processor_ffh_cstate_probe(unsi
}
EXPORT_SYMBOL_GPL(acpi_processor_ffh_cstate_probe);
-void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cx)
+__cpuidle void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cx)
{
unsigned int cpu = smp_processor_id();
struct cstate_entry *percpu_entry;
--- a/drivers/idle/intel_idle.c
+++ b/drivers/idle/intel_idle.c
@@ -725,7 +725,7 @@ static struct cpuidle_state avn_cstates[
*
* Must be called under local_irq_disable().
*/
-static int intel_idle(struct cpuidle_device *dev,
+__cpuidle static int intel_idle(struct cpuidle_device *dev,
struct cpuidle_driver *drv, int index)
{
unsigned long ecx = 1; /* break on interrupt flag */
next prev parent reply other threads:[~2016-03-21 16:48 UTC|newest]
Thread overview: 121+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-29 21:40 [PATCH 0/4] improvements to the nmi_backtrace code Chris Metcalf
2016-02-29 21:40 ` Chris Metcalf
2016-02-29 21:40 ` [PATCH 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Chris Metcalf
2016-02-29 21:40 ` Chris Metcalf
2016-02-29 21:40 ` [PATCH 2/4] nmi_backtrace: generate one-line reports for idle cpus Chris Metcalf
2016-03-01 14:23 ` Daniel Thompson
2016-03-01 16:01 ` Chris Metcalf
2016-03-07 8:26 ` Daniel Thompson
2016-03-07 17:05 ` Chris Metcalf
2016-03-07 9:48 ` Peter Zijlstra
2016-03-07 17:38 ` Chris Metcalf
2016-03-07 20:43 ` Peter Zijlstra
2016-03-16 17:02 ` [PATCH v2 0/4] improvements to the nmi_backtrace code Chris Metcalf
2016-03-16 17:02 ` Chris Metcalf
2016-03-16 17:02 ` Chris Metcalf
2016-03-16 17:02 ` Chris Metcalf
2016-03-16 17:02 ` [PATCH v2 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Chris Metcalf
2016-03-16 17:02 ` Chris Metcalf
2016-03-17 19:36 ` Peter Zijlstra
2016-03-17 19:36 ` Peter Zijlstra
2016-03-17 22:31 ` Chris Metcalf
2016-03-17 22:31 ` Chris Metcalf
2016-03-17 22:38 ` Peter Zijlstra
2016-03-17 22:38 ` Peter Zijlstra
2016-03-17 22:41 ` Chris Metcalf
2016-03-17 22:41 ` Chris Metcalf
2016-03-17 23:14 ` Peter Zijlstra
2016-03-17 23:14 ` Peter Zijlstra
2016-03-17 22:55 ` Paul E. McKenney
2016-03-17 22:55 ` Paul E. McKenney
2016-03-17 23:09 ` Peter Zijlstra
2016-03-17 23:09 ` Peter Zijlstra
2016-03-17 23:11 ` Peter Zijlstra
2016-03-17 23:11 ` Peter Zijlstra
2016-03-18 0:28 ` Paul E. McKenney
2016-03-18 0:28 ` Paul E. McKenney
2016-03-18 0:17 ` Chris Metcalf
2016-03-18 0:17 ` Chris Metcalf
2016-03-18 0:33 ` Paul E. McKenney
2016-03-18 0:33 ` Paul E. McKenney
2016-03-18 9:40 ` Daniel Thompson
2016-03-18 9:40 ` Daniel Thompson
2016-03-18 23:54 ` Paul E. McKenney
2016-03-18 23:54 ` Paul E. McKenney
2016-03-16 17:02 ` [PATCH v2 2/4] nmi_backtrace: do a local dump_stack() instead of a self-NMI Chris Metcalf
2016-03-16 17:02 ` Chris Metcalf
2016-03-16 17:02 ` [PATCH v2 3/4] arch/tile: adopt the new nmi_backtrace framework Chris Metcalf
2016-03-16 17:02 ` [PATCH v2 4/4] nmi_backtrace: generate one-line reports for idle cpus Chris Metcalf
2016-03-16 17:02 ` Chris Metcalf
2016-03-16 17:02 ` Chris Metcalf
2016-03-16 18:46 ` kbuild test robot
2016-03-16 18:46 ` kbuild test robot
2016-03-16 18:46 ` kbuild test robot
2016-03-16 18:46 ` kbuild test robot
2016-03-21 15:38 ` Peter Zijlstra
2016-03-21 15:38 ` Peter Zijlstra
2016-03-21 15:38 ` Peter Zijlstra
2016-03-21 15:46 ` Chris Metcalf
2016-03-21 15:46 ` Chris Metcalf
2016-03-21 15:46 ` Chris Metcalf
2016-03-21 15:46 ` Chris Metcalf
2016-03-21 15:42 ` Peter Zijlstra
2016-03-21 15:42 ` Peter Zijlstra
2016-03-21 16:15 ` Chris Metcalf
2016-03-21 16:15 ` Chris Metcalf
2016-03-21 16:15 ` Chris Metcalf
2016-03-21 16:32 ` Peter Zijlstra
2016-03-21 16:32 ` Peter Zijlstra
2016-03-21 17:12 ` Chris Metcalf
2016-03-21 17:12 ` Chris Metcalf
2016-03-21 17:12 ` Chris Metcalf
2016-03-21 17:12 ` Chris Metcalf
2016-03-21 17:17 ` Peter Zijlstra
2016-03-21 17:17 ` Peter Zijlstra
2016-03-21 16:48 ` Peter Zijlstra [this message]
2016-03-21 16:48 ` Peter Zijlstra
2016-03-21 21:49 ` Peter Zijlstra
2016-03-21 21:49 ` Peter Zijlstra
2016-03-22 17:19 ` [PATCH v3 0/4] improvements to the nmi_backtrace code Chris Metcalf
2016-03-22 17:19 ` Chris Metcalf
2016-03-22 17:19 ` Chris Metcalf
2016-03-22 17:19 ` Chris Metcalf
2016-03-22 17:19 ` [PATCH v3 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Chris Metcalf
2016-03-22 17:19 ` Chris Metcalf
2016-03-22 17:19 ` [PATCH v3 2/4] nmi_backtrace: do a local dump_stack() instead of a self-NMI Chris Metcalf
2016-03-22 17:19 ` Chris Metcalf
2016-03-22 17:19 ` [PATCH v3 3/4] arch/tile: adopt the new nmi_backtrace framework Chris Metcalf
2016-03-22 17:19 ` [PATCH v3 4/4] nmi_backtrace: generate one-line reports for idle cpus Chris Metcalf
2016-03-22 17:19 ` Chris Metcalf
2016-03-22 17:19 ` Chris Metcalf
2016-03-22 17:30 ` Peter Zijlstra
2016-03-22 17:30 ` Peter Zijlstra
2016-03-22 22:28 ` Rafael J. Wysocki
2016-03-22 22:28 ` Rafael J. Wysocki
2016-03-22 22:31 ` Rafael J. Wysocki
2016-03-22 22:31 ` Rafael J. Wysocki
2016-03-22 22:45 ` Peter Zijlstra
2016-03-22 22:45 ` Peter Zijlstra
2016-03-23 0:50 ` Rafael J. Wysocki
2016-03-23 0:50 ` Rafael J. Wysocki
2016-03-23 7:53 ` Peter Zijlstra
2016-03-23 7:53 ` Peter Zijlstra
2016-03-30 17:16 ` [PATCH v4 0/4] improvements to the nmi_backtrace code Chris Metcalf
2016-03-30 17:16 ` Chris Metcalf
2016-03-30 17:16 ` Chris Metcalf
2016-03-30 17:16 ` Chris Metcalf
2016-03-30 17:16 ` [PATCH v4 1/4] nmi_backtrace: add more trigger_*_cpu_backtrace() methods Chris Metcalf
2016-03-30 17:16 ` Chris Metcalf
2016-03-30 17:16 ` [PATCH v4 2/4] nmi_backtrace: do a local dump_stack() instead of a self-NMI Chris Metcalf
2016-03-30 17:16 ` Chris Metcalf
2016-03-30 17:16 ` [PATCH v4 3/4] arch/tile: adopt the new nmi_backtrace framework Chris Metcalf
2016-03-30 17:16 ` [PATCH v4 4/4] nmi_backtrace: generate one-line reports for idle cpus Chris Metcalf
2016-03-30 17:16 ` Chris Metcalf
2016-03-30 17:16 ` Chris Metcalf
2016-02-29 21:40 ` [PATCH 3/4] nmi_backtrace: do a local dump_stack() instead of a self-NMI Chris Metcalf
2016-02-29 21:40 ` Chris Metcalf
2016-02-29 21:40 ` [PATCH 4/4] arch/tile: adopt the new nmi_backtrace framework Chris Metcalf
2016-03-01 0:49 ` [PATCH 0/4] improvements to the nmi_backtrace code Andrew Morton
2016-03-01 0:49 ` Andrew Morton
2016-03-01 10:01 ` Petr Mladek
2016-03-01 10:01 ` Petr Mladek
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