From: Manfred Spraul <manfred@colorfullife.com>
Date: Wed, 22 Dec 2021 15:09:31 +0100
Subject: ACPI: processor: thermal: avoid cpufreq_get_policy()
Patch-mainline: v5.17-rc1
Git-commit: 8120832d8f82aa7316c578fbccf11e385a5b3601
References: jsc#PED-1408
cpu_has_cpufreq() stores a 'struct cpufreq_policy' on the stack.
Unfortunately, with debugging options enabled, the structure can be
larger than 1024 bytes, which causes a compiler warning/error.
(actually observed: 1184 bytes).
Therefore: Switch to cpufreq_cpu_get().
Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
drivers/acpi/processor_thermal.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -53,10 +53,17 @@ static int phys_package_first_cpu(int cp
static int cpu_has_cpufreq(unsigned int cpu)
{
- struct cpufreq_policy policy;
- if (!acpi_processor_cpufreq_init || cpufreq_get_policy(&policy, cpu))
+ struct cpufreq_policy *policy;
+
+ if (!acpi_processor_cpufreq_init)
return 0;
- return 1;
+
+ policy = cpufreq_cpu_get(cpu);
+ if (policy) {
+ cpufreq_cpu_put(policy);
+ return 1;
+ }
+ return 0;
}
static int cpufreq_get_max_state(unsigned int cpu)