[RFC,03/12] cpufreq: Export intel_feature_detect

Commit Message

Jason Andryuk March 8, 2021, 9:02 p.m. UTC

Export feature_detect as intel_feature_detect so it can be re-used by
HWP.

Signed-off-by: Jason Andryuk <[e-mail]>
---
 xen/arch/x86/acpi/cpufreq/cpufreq.c       | 4 ++--
 xen/include/acpi/cpufreq/processor_perf.h | 2 ++
 2 files changed, 4 insertions(+), 2 deletions(-)

Patch

diff --git a/xen/arch/x86/acpi/cpufreq/cpufreq.c b/xen/arch/x86/acpi/cpufreq/cpufreq.c
index 5eac2f7321..8aae9b534d 100644
--- a/xen/arch/x86/acpi/cpufreq/cpufreq.c
+++ b/xen/arch/x86/acpi/cpufreq/cpufreq.c
@@ -340,7 +340,7 @@  static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
     return extract_freq(get_cur_val(cpumask_of(cpu)), data);
 }
 
-static void feature_detect(void *info)
+void intel_feature_detect(void *info)
 {
     struct cpufreq_policy *policy = info;
     unsigned int eax;
@@ -596,7 +596,7 @@  acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
     /* Check for APERF/MPERF support in hardware
      * also check for boost support */
     if (c->x86_vendor == X86_VENDOR_INTEL && c->cpuid_level >= 6)
-        on_selected_cpus(cpumask_of(cpu), feature_detect, policy, 1);
+        on_selected_cpus(cpumask_of(cpu), intel_feature_detect, policy, 1);
 
     /*
      * the first call to ->target() should result in us actually
diff --git a/xen/include/acpi/cpufreq/processor_perf.h b/xen/include/acpi/cpufreq/processor_perf.h
index d8a1ba68a6..e2c08f0e6d 100644
--- a/xen/include/acpi/cpufreq/processor_perf.h
+++ b/xen/include/acpi/cpufreq/processor_perf.h
@@ -7,6 +7,8 @@ 
 
 #define XEN_PX_INIT 0x80000000
 
+void intel_feature_detect(void *info);
+
 int powernow_cpufreq_init(void);
 unsigned int powernow_register_driver(void);
 unsigned int get_measured_perf(unsigned int cpu, unsigned int flag);