Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index 2b70941..42f2b51 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -9,6 +9,7 @@
#include <linux/percpu.h>
void topology_normalize_cpu_scale(void);
+int topology_update_cpu_topology(void);
struct device_node;
bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu);
@@ -17,7 +18,7 @@
struct sched_domain;
static inline
-unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu)
+unsigned long topology_get_cpu_scale(int cpu)
{
return per_cpu(cpu_scale, cpu);
}
@@ -32,4 +33,30 @@
return per_cpu(freq_scale, cpu);
}
+struct cpu_topology {
+ int thread_id;
+ int core_id;
+ int package_id;
+ int llc_id;
+ cpumask_t thread_sibling;
+ cpumask_t core_sibling;
+ cpumask_t llc_sibling;
+};
+
+#ifdef CONFIG_GENERIC_ARCH_TOPOLOGY
+extern struct cpu_topology cpu_topology[NR_CPUS];
+
+#define topology_physical_package_id(cpu) (cpu_topology[cpu].package_id)
+#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
+#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_sibling)
+#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
+#define topology_llc_cpumask(cpu) (&cpu_topology[cpu].llc_sibling)
+void init_cpu_topology(void);
+void store_cpu_topology(unsigned int cpuid);
+const struct cpumask *cpu_coregroup_mask(int cpu);
+void update_siblings_masks(unsigned int cpu);
+void remove_cpu_topology(unsigned int cpuid);
+void reset_cpu_topology(void);
+#endif
+
#endif /* _LINUX_ARCH_TOPOLOGY_H_ */