cregit-Linux how code gets into the kernel

Release 4.7 arch/s390/include/asm/topology.h

#ifndef _ASM_S390_TOPOLOGY_H

#define _ASM_S390_TOPOLOGY_H

#include <linux/cpumask.h>
#include <asm/numa.h>

struct sysinfo_15_1_x;
struct cpu;

#ifdef CONFIG_SCHED_TOPOLOGY


struct cpu_topology_s390 {
	
unsigned short thread_id;
	
unsigned short core_id;
	
unsigned short socket_id;
	
unsigned short book_id;
	
unsigned short node_id;
	
cpumask_t thread_mask;
	
cpumask_t core_mask;
	
cpumask_t book_mask;
};

DECLARE_PER_CPU(struct cpu_topology_s390, cpu_topology);


#define topology_physical_package_id(cpu) (per_cpu(cpu_topology, cpu).socket_id)

#define topology_thread_id(cpu)		  (per_cpu(cpu_topology, cpu).thread_id)

#define topology_sibling_cpumask(cpu) \
		(&per_cpu(cpu_topology, cpu).thread_mask)

#define topology_core_id(cpu)		  (per_cpu(cpu_topology, cpu).core_id)

#define topology_core_cpumask(cpu)	  (&per_cpu(cpu_topology, cpu).core_mask)

#define topology_book_id(cpu)		  (per_cpu(cpu_topology, cpu).book_id)

#define topology_book_cpumask(cpu)	  (&per_cpu(cpu_topology, cpu).book_mask)


#define mc_capable() 1

int topology_cpu_init(struct cpu *);
int topology_set_cpu_management(int fc);
void topology_schedule_update(void);
void store_topology(struct sysinfo_15_1_x *info);
void topology_expect_change(void);
const struct cpumask *cpu_coregroup_mask(int cpu);

#else /* CONFIG_SCHED_TOPOLOGY */


static inline void topology_schedule_update(void) { }

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static inline int topology_cpu_init(struct cpu *cpu) { return 0; }

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static inline void topology_expect_change(void) { }

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#endif /* CONFIG_SCHED_TOPOLOGY */ #define POLARIZATION_UNKNOWN (-1) #define POLARIZATION_HRZ (0) #define POLARIZATION_VL (1) #define POLARIZATION_VM (2) #define POLARIZATION_VH (3) #define SD_BOOK_INIT SD_CPU_INIT #ifdef CONFIG_NUMA #define cpu_to_node cpu_to_node
static inline int cpu_to_node(int cpu) { return per_cpu(cpu_topology, cpu).node_id; }

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philipp hachtmannphilipp hachtmann20100.00%1100.00%
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/* Returns a pointer to the cpumask of CPUs on node 'node'. */ #define cpumask_of_node cpumask_of_node
static inline const struct cpumask *cpumask_of_node(int node) { return &node_to_cpumask_map[node]; }

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philipp hachtmannphilipp hachtmann1995.00%150.00%
martin schwidefskymartin schwidefsky15.00%150.00%
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/* * Returns the number of the node containing node 'node'. This * architecture is flat, so it is a pretty simple function! */ #define parent_node(node) (node) #define pcibus_to_node(bus) __pcibus_to_node(bus) #define node_distance(a, b) __node_distance(a, b) #else /* !CONFIG_NUMA */ #define numa_node_id numa_node_id
static inline int numa_node_id(void) { return 0; }

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philipp hachtmannphilipp hachtmann12100.00%1100.00%
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#endif /* CONFIG_NUMA */ #include <asm-generic/topology.h> #endif /* _ASM_S390_TOPOLOGY_H */

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heiko carstensheiko carstens17854.10%1164.71%
philipp hachtmannphilipp hachtmann10832.83%15.88%
martin schwidefskymartin schwidefsky195.78%211.76%
andrew mortonandrew morton123.65%15.88%
vincent guittotvincent guittot103.04%15.88%
bartosz golaszewskibartosz golaszewski20.61%15.88%
Total329100.00%17100.00%
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