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Groups > linux.kernel > #1682297
| From | Dietmar Eggemann <dietmar.eggemann@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 01/10] drivers base/arch_topology: free cpumask cpus_to_visit |
| Date | 2017-07-06 12:00 +0200 |
| Message-ID | <u0bJN-2Bf-41@gated-at.bofh.it> (permalink) |
| References | <u0bJL-2Bf-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Free cpumask cpus_to_visit in case registering
init_cpu_capacity_notifier has failed or the parsing of the cpu
capacity-dmips-mhz property is done. The cpumask cpus_to_visit is
only used inside the notifier call init_cpu_capacity_callback.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Juri Lelli <juri.lelli@arm.com>
Reported-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Acked-by: Vincent Guittot <vincent.guittot@linaro.org>
Tested-by: Juri Lelli <juri.lelli@arm.com>
Reviewed-by: Juri Lelli <juri.lelli@arm.com>
---
drivers/base/arch_topology.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index d1c33a85059e..f4832c662762 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -206,6 +206,8 @@ static struct notifier_block init_cpu_capacity_notifier = {
static int __init register_cpufreq_notifier(void)
{
+ int ret;
+
/*
* on ACPI-based systems we need to use the default cpu capacity
* until we have the necessary code to parse the cpu capacity, so
@@ -221,13 +223,19 @@ static int __init register_cpufreq_notifier(void)
cpumask_copy(cpus_to_visit, cpu_possible_mask);
- return cpufreq_register_notifier(&init_cpu_capacity_notifier,
- CPUFREQ_POLICY_NOTIFIER);
+ ret = cpufreq_register_notifier(&init_cpu_capacity_notifier,
+ CPUFREQ_POLICY_NOTIFIER);
+
+ if (ret)
+ free_cpumask_var(cpus_to_visit);
+
+ return ret;
}
core_initcall(register_cpufreq_notifier);
static void parsing_done_workfn(struct work_struct *work)
{
+ free_cpumask_var(cpus_to_visit);
cpufreq_unregister_notifier(&init_cpu_capacity_notifier,
CPUFREQ_POLICY_NOTIFIER);
}
--
2.11.0
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[PATCH v2 00/10] arm, arm64: frequency- and cpu-invariant accounting support for task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
[PATCH v2 08/10] arm64: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
Re: [PATCH v2 08/10] arm64: wire frequency-invariant accounting support up to the task scheduler Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
[PATCH v2 03/10] drivers base/arch_topology: frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
Re: [PATCH v2 03/10] drivers base/arch_topology: frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
Re: [PATCH v2 03/10] drivers base/arch_topology: frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-07 19:00 +0200
[PATCH v2 05/10] arm: wire frequency-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
Re: [PATCH v2 05/10] arm: wire frequency-invariant accounting support up to the task scheduler Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
[PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-07 00:50 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-07 18:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rafael@kernel.org> - 2017-07-07 18:20 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-07 19:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-08 14:20 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-10 09:00 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-10 15:00 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-11 08:50 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-11 17:30 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 14:50 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-13 15:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 16:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-10 11:40 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-10 11:50 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-10 12:40 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-10 14:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-11 08:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-11 17:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-11 17:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-11 17:20 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-12 06:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-12 10:40 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-12 11:30 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-12 13:20 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-07-13 01:30 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-13 10:00 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-13 10:50 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-13 13:20 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 16:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Peter Zijlstra <peterz@infradead.org> - 2017-07-13 16:50 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 17:10 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 15:00 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Sudeep Holla <sudeep.holla@arm.com> - 2017-07-13 14:50 +0200
Re: [PATCH v2 02/10] cpufreq: provide data for frequency-invariant load-tracking support Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-10 08:50 +0200
[PATCH v2 04/10] arm: wire cpufreq input data for frequency-invariant accounting up to the arch Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
Re: [PATCH v2 04/10] arm: wire cpufreq input data for frequency-invariant accounting up to the arch Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
Re: [PATCH v2 04/10] arm: wire cpufreq input data for frequency-invariant accounting up to the arch Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-10 17:20 +0200
Re: [PATCH v2 04/10] arm: wire cpufreq input data for frequency-invariant accounting up to the arch Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-11 08:40 +0200
[PATCH v2 09/10] arm64: wire cpu-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
Re: [PATCH v2 09/10] arm64: wire cpu-invariant accounting support up to the task scheduler Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
[PATCH v2 06/10] arm: wire cpu-invariant accounting support up to the task scheduler Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
Re: [PATCH v2 06/10] arm: wire cpu-invariant accounting support up to the task scheduler Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:50 +0200
[PATCH v2 01/10] drivers base/arch_topology: free cpumask cpus_to_visit Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
Re: [PATCH v2 01/10] drivers base/arch_topology: free cpumask cpus_to_visit Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 12:30 +0200
Re: [PATCH v2 01/10] drivers base/arch_topology: free cpumask cpus_to_visit Juri Lelli <juri.lelli@arm.com> - 2017-07-06 13:00 +0200
Re: [PATCH v2 01/10] drivers base/arch_topology: free cpumask cpus_to_visit Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 13:20 +0200
Re: [PATCH v2 01/10] drivers base/arch_topology: free cpumask cpus_to_visit Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-07 18:00 +0200
[PATCH v2 10/10] drivers base/arch_topology: inline cpu- and frequency-invariant accounting Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-06 12:00 +0200
Re: [PATCH v2 10/10] drivers base/arch_topology: inline cpu- and frequency-invariant accounting Viresh Kumar <viresh.kumar@linaro.org> - 2017-07-06 13:00 +0200
Re: [PATCH v2 10/10] drivers base/arch_topology: inline cpu- and frequency-invariant accounting Dietmar Eggemann <dietmar.eggemann@arm.com> - 2017-07-10 17:20 +0200
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