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Diffstat (limited to 'arch/x86/include/asm/topology.h')
-rw-r--r--arch/x86/include/asm/topology.h29
1 files changed, 21 insertions, 8 deletions
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index fd41103ad342..1fadf0cf520c 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -143,6 +143,7 @@ extern const struct cpumask *cpu_clustergroup_mask(int cpu);
#define topology_logical_package_id(cpu) (cpu_data(cpu).topo.logical_pkg_id)
#define topology_physical_package_id(cpu) (cpu_data(cpu).topo.pkg_id)
#define topology_logical_die_id(cpu) (cpu_data(cpu).topo.logical_die_id)
+#define topology_logical_core_id(cpu) (cpu_data(cpu).topo.logical_core_id)
#define topology_die_id(cpu) (cpu_data(cpu).topo.die_id)
#define topology_core_id(cpu) (cpu_data(cpu).topo.core_id)
#define topology_ppin(cpu) (cpu_data(cpu).ppin)
@@ -217,6 +218,12 @@ static inline unsigned int topology_amd_nodes_per_pkg(void)
return __amd_nodes_per_pkg;
}
+#else /* CONFIG_SMP */
+static inline int topology_phys_to_logical_pkg(unsigned int pkg) { return 0; }
+static inline int topology_max_smt_threads(void) { return 1; }
+static inline unsigned int topology_amd_nodes_per_pkg(void) { return 1; }
+#endif /* !CONFIG_SMP */
+
extern struct cpumask __cpu_primary_thread_mask;
#define cpu_primary_thread_mask ((const struct cpumask *)&__cpu_primary_thread_mask)
@@ -228,13 +235,17 @@ static inline bool topology_is_primary_thread(unsigned int cpu)
{
return cpumask_test_cpu(cpu, cpu_primary_thread_mask);
}
+#define topology_is_primary_thread topology_is_primary_thread
-#else /* CONFIG_SMP */
-static inline int topology_phys_to_logical_pkg(unsigned int pkg) { return 0; }
-static inline int topology_max_smt_threads(void) { return 1; }
-static inline bool topology_is_primary_thread(unsigned int cpu) { return true; }
-static inline unsigned int topology_amd_nodes_per_pkg(void) { return 1; }
-#endif /* !CONFIG_SMP */
+int topology_get_primary_thread(unsigned int cpu);
+
+static inline bool topology_is_core_online(unsigned int cpu)
+{
+ int pcpu = topology_get_primary_thread(cpu);
+
+ return pcpu >= 0 ? cpu_online(pcpu) : false;
+}
+#define topology_is_core_online topology_is_core_online
static inline void arch_fix_phys_package_id(int num, u32 slot)
{
@@ -250,7 +261,7 @@ extern bool x86_topology_update;
#include <asm/percpu.h>
DECLARE_PER_CPU_READ_MOSTLY(int, sched_core_priority);
-extern unsigned int __read_mostly sysctl_sched_itmt_enabled;
+extern bool __read_mostly sysctl_sched_itmt_enabled;
/* Interface to set priority of a cpu */
void sched_set_itmt_core_prio(int prio, int core_cpu);
@@ -263,7 +274,7 @@ void sched_clear_itmt_support(void);
#else /* CONFIG_SCHED_MC_PRIO */
-#define sysctl_sched_itmt_enabled 0
+#define sysctl_sched_itmt_enabled false
static inline void sched_set_itmt_core_prio(int prio, int core_cpu)
{
}
@@ -314,4 +325,6 @@ static inline void freq_invariance_set_perf_ratio(u64 ratio, bool turbo_disabled
extern void arch_scale_freq_tick(void);
#define arch_scale_freq_tick arch_scale_freq_tick
+extern int arch_sched_node_distance(int from, int to);
+
#endif /* _ASM_X86_TOPOLOGY_H */