powerpc/numa: remove timed_topology_update()

timed_topology_update is a no-op now, so remove it and all call sites.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Reviewed-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200612051238.1007764-11-nathanl@linux.ibm.com

diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 2db7ba789720010c192aa349b8d13831b1351b3e..379e2cc3789fdf10719fa4e221a1cbfeee77ae84 100644 (file)
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -97,7 +97,6 @@ extern int start_topology_update(void);
 extern int stop_topology_update(void);
 extern int prrn_is_enabled(void);
 extern int find_and_online_cpu_nid(int cpu);
-extern int timed_topology_update(int nsecs);
 #else
 static inline int start_topology_update(void)
 {
@@ -115,10 +114,6 @@ static inline int find_and_online_cpu_nid(int cpu)
 {
        return 0;
 }
-static inline int timed_topology_update(int nsecs)
-{
-       return 0;
-}
 
 #endif /* CONFIG_NUMA && CONFIG_PPC_SPLPAR */
 

diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index b220e5b60140f13440e6cc1e76f9f5a0b7fab2e1..6c579ac3e679628a69cca4d21653fb042351b5ae 100644 (file)
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1124,14 +1124,6 @@ u64 memory_hotplug_max(void)
 #ifdef CONFIG_PPC_SPLPAR
 static int topology_inited;
 
-/*
- * Change polling interval for associativity changes.
- */
-int timed_topology_update(int nsecs)
-{
-       return 0;
-}
-
 /*
  * Retrieve the new associativity information for a virtual processor's
  * home node.
@@ -1147,7 +1139,6 @@ static long vphn_get_associativity(unsigned long cpu,
        switch (rc) {
        case H_SUCCESS:
                dbg("VPHN hcall succeeded. Reset polling...\n");
-               timed_topology_update(0);
                goto out;
 
        case H_FUNCTION:

diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index d4b346355bb9eaea1b341bd57d34f13710c1148b..dbfabb185eb5266f86d5fbb4ef66760b4ce4fcbd 100644 (file)
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -263,7 +263,6 @@ static int dlpar_offline_cpu(struct device_node *dn)
                                break;
 
                        cpu_maps_update_done();
-                       timed_topology_update(1);
                        rc = device_offline(get_cpu_device(cpu));
                        if (rc)
                                goto out;
@@ -302,7 +301,6 @@ static int dlpar_online_cpu(struct device_node *dn)
                        if (get_hard_smp_processor_id(cpu) != thread)
                                continue;
                        cpu_maps_update_done();
-                       timed_topology_update(1);
                        find_and_online_cpu_nid(cpu);
                        rc = device_online(get_cpu_device(cpu));
                        if (rc) {