mirror of https://gitee.com/openkylin/linux.git
powerpc/numa: remove start/stop_topology_update()
These APIs have become no-ops, so remove them 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/20200612051238.1007764-12-nathanl@linux.ibm.com
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@ -93,19 +93,9 @@ static inline int cpu_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc)
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#endif /* CONFIG_NUMA */
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#if defined(CONFIG_NUMA) && defined(CONFIG_PPC_SPLPAR)
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extern int start_topology_update(void);
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extern int stop_topology_update(void);
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extern int prrn_is_enabled(void);
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extern int find_and_online_cpu_nid(int cpu);
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#else
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static inline int start_topology_update(void)
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{
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return 0;
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}
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static inline int stop_topology_update(void)
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{
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return 0;
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}
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static inline int prrn_is_enabled(void)
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{
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return 0;
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@ -1157,8 +1157,6 @@ static long vphn_get_associativity(unsigned long cpu,
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, rc);
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break;
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}
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stop_topology_update();
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out:
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return rc;
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}
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@ -1212,22 +1210,6 @@ int arch_update_cpu_topology(void)
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return numa_update_cpu_topology(true);
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}
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/*
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* Start polling for associativity changes.
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*/
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int start_topology_update(void)
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{
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return 0;
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}
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/*
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* Disable polling for VPHN associativity changes.
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*/
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int stop_topology_update(void)
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{
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return 0;
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}
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int prrn_is_enabled(void)
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{
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return 0;
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@ -1235,8 +1217,6 @@ int prrn_is_enabled(void)
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static int topology_update_init(void)
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{
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start_topology_update();
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topology_inited = 1;
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return 0;
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}
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@ -388,8 +388,6 @@ static ssize_t migration_store(struct class *class,
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if (rc)
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return rc;
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stop_topology_update();
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do {
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rc = rtas_ibm_suspend_me(streamid);
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if (rc == -EAGAIN)
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@ -401,8 +399,6 @@ static ssize_t migration_store(struct class *class,
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post_mobility_fixup();
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start_topology_update();
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return count;
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}
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@ -145,11 +145,8 @@ static ssize_t store_hibernate(struct device *dev,
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ssleep(1);
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} while (rc == -EAGAIN);
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if (!rc) {
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stop_topology_update();
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if (!rc)
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rc = pm_suspend(PM_SUSPEND_MEM);
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start_topology_update();
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}
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stream_id = 0;
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