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Merge tag 'common/for-v5.4-rc1/cpu-topology' into for-v5.4-rc1-branch

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This commit is contained in:
Paul Walmsley
2019-08-30 10:39:38 -07:00
parent a256f2e329 f51edcec52
commit 015b269337
12 changed files with 515 additions and 487 deletions
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26
include/linux/arch_topology.h
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@@ -33,4 +33,30 @@ unsigned long topology_get_freq_scale(int cpu)
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_ */

1
include/linux/topology.h
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@@ -27,6 +27,7 @@
#ifndef _LINUX_TOPOLOGY_H
#define _LINUX_TOPOLOGY_H
#include <linux/arch_topology.h>
#include <linux/cpumask.h>
#include <linux/bitops.h>
#include <linux/mmzone.h>