[3/4] x86, sched: Expose init_freq_invariance to topology header

Commit Message

Huang Rui Feb. 14, 2022, 10:14 a.m. UTC

The function init_freq_invariance will be used on x86 CPPC, so expose it in
the topology header.

Signed-off-by: Huang Rui <[e-mail]>
---
 arch/x86/include/asm/topology.h | 4 ++++
 arch/x86/kernel/smpboot.c       | 8 +-------
 2 files changed, 5 insertions(+), 7 deletions(-)

Patch

diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 168ade7d4007..c35005a03768 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -215,10 +215,14 @@  extern void arch_scale_freq_tick(void);
 #define arch_scale_freq_tick arch_scale_freq_tick
 
 extern void arch_set_max_freq_ratio(bool turbo_disabled);
+void init_freq_invariance(bool secondary, bool cppc_ready);
 #else
 static inline void arch_set_max_freq_ratio(bool turbo_disabled)
 {
 }
+static inline void init_freq_invariance(bool secondary, bool cppc_ready)
+{
+}
 #endif
 
 #if defined(CONFIG_ACPI_CPPC_LIB) && defined(CONFIG_SMP)
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 0718cc7649a4..8f2ff9be0fcc 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -155,8 +155,6 @@  static inline void smpboot_restore_warm_reset_vector(void)
 	*((volatile u32 *)phys_to_virt(TRAMPOLINE_PHYS_LOW)) = 0;
 }
 
-static void init_freq_invariance(bool secondary, bool cppc_ready);
-
 /*
  * Report back to the Boot Processor during boot time or to the caller processor
  * during CPU online.
@@ -2125,7 +2123,7 @@  static void register_freq_invariance_syscore_ops(void)
 static inline void register_freq_invariance_syscore_ops(void) {}
 #endif
 
-static void init_freq_invariance(bool secondary, bool cppc_ready)
+void init_freq_invariance(bool secondary, bool cppc_ready)
 {
 	bool ret = false;
 
@@ -2222,8 +2220,4 @@  void arch_scale_freq_tick(void)
 	pr_warn("Scheduler frequency invariance went wobbly, disabling!\n");
 	schedule_work(&disable_freq_invariance_work);
 }
-#else
-static inline void init_freq_invariance(bool secondary, bool cppc_ready)
-{
-}
 #endif /* CONFIG_X86_64 */