x86/smpboot: Cleanup topology_phys_to_logical_pkg()/die()

Make topology_phys_to_logical_pkg_die() static as it's only used in
smpboot.c and fixup the kernel-doc warnings for both functions.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Tested-by: Helge Deller <deller@gmx.de> # parisc
Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com> # Steam Deck
Link: https://lore.kernel.org/r/20230512205255.493750666@linutronix.de

diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 458c891a82736549469c2c09b38848f18634412a..2ba57588e937fd9c50125324d568ff94149f99d8 100644 (file)
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -139,7 +139,6 @@ static inline int topology_max_smt_threads(void)
 int topology_update_package_map(unsigned int apicid, unsigned int cpu);
 int topology_update_die_map(unsigned int dieid, unsigned int cpu);
 int topology_phys_to_logical_pkg(unsigned int pkg);
-int topology_phys_to_logical_die(unsigned int die, unsigned int cpu);
 bool topology_is_primary_thread(unsigned int cpu);
 bool topology_smt_supported(void);
 #else
@@ -149,8 +148,6 @@ topology_update_package_map(unsigned int apicid, unsigned int cpu) { return 0; }
 static inline int
 topology_update_die_map(unsigned int dieid, unsigned int cpu) { return 0; }
 static inline int topology_phys_to_logical_pkg(unsigned int pkg) { return 0; }
-static inline int topology_phys_to_logical_die(unsigned int die,
-               unsigned int cpu) { return 0; }
 static inline int topology_max_die_per_package(void) { return 1; }
 static inline int topology_max_smt_threads(void) { return 1; }
 static inline bool topology_is_primary_thread(unsigned int cpu) { return true; }

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 352f0ce1ece42911271023391f1848df5a7b657c..bca9692862f88c8bcf73b9fe1e087f930537d370 100644 (file)
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -288,6 +288,7 @@ bool topology_smt_supported(void)
 
 /**
  * topology_phys_to_logical_pkg - Map a physical package id to a logical
+ * @phys_pkg:  The physical package id to map
  *
  * Returns logical package id or -1 if not found
  */
@@ -304,15 +305,17 @@ int topology_phys_to_logical_pkg(unsigned int phys_pkg)
        return -1;
 }
 EXPORT_SYMBOL(topology_phys_to_logical_pkg);
+
 /**
  * topology_phys_to_logical_die - Map a physical die id to logical
+ * @die_id:    The physical die id to map
+ * @cur_cpu:   The CPU for which the mapping is done
  *
  * Returns logical die id or -1 if not found
  */
-int topology_phys_to_logical_die(unsigned int die_id, unsigned int cur_cpu)
+static int topology_phys_to_logical_die(unsigned int die_id, unsigned int cur_cpu)
 {
-       int cpu;
-       int proc_id = cpu_data(cur_cpu).phys_proc_id;
+       int cpu, proc_id = cpu_data(cur_cpu).phys_proc_id;
 
        for_each_possible_cpu(cpu) {
                struct cpuinfo_x86 *c = &cpu_data(cpu);
@@ -323,7 +326,6 @@ int topology_phys_to_logical_die(unsigned int die_id, unsigned int cur_cpu)
        }
        return -1;
 }
-EXPORT_SYMBOL(topology_phys_to_logical_die);
 
 /**
  * topology_update_package_map - Update the physical to logical package map