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ACPI: processor: Remove freq Qos request for all CPUs

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commit 36527b9d882362567ceb4eea8666813280f30e6f upstream.

The freq Qos request would be removed repeatedly if the cpufreq policy
relates to more than one CPU. Then, it would cause the "called for unknown
object" warning.

Remove the freq Qos request for each CPU relates to the cpufreq policy,
instead of removing repeatedly for the last CPU of it.

Fixes: a1bb46c36c ("ACPI: processor: Add QoS requests for all CPUs")
Reported-by: Jeremy Linton <Jeremy.Linton@arm.com>
Tested-by: Jeremy Linton <jeremy.linton@arm.com>
Signed-off-by: Riwen Lu <luriwen@kylinos.cn>
Cc: 5.4+ <stable@vger.kernel.org> # 5.4+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Riwen Lu 2022-08-23 15:43:42 +08:00 committed by Greg Kroah-Hartman
parent cacd522e66
commit f09c1b80df
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/processor_thermal.c
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@ -150,7 +150,7 @@ void acpi_thermal_cpufreq_exit(struct cpufreq_policy *policy)
unsigned int cpu;
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, policy->cpu);
struct acpi_processor *pr = per_cpu(processors, cpu);
if (pr)
freq_qos_remove_request(&pr->thermal_req);