Contributors: 43
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Jeremy Fitzhardinge |
180 |
20.48% |
5 |
5.00% |
Glauber de Oliveira Costa |
116 |
13.20% |
16 |
16.00% |
Alex Nixon |
65 |
7.39% |
3 |
3.00% |
Mike Travis |
61 |
6.94% |
9 |
9.00% |
Thomas Gleixner |
53 |
6.03% |
7 |
7.00% |
Borislav Petkov |
44 |
5.01% |
2 |
2.00% |
Linus Torvalds (pre-git) |
43 |
4.89% |
6 |
6.00% |
Jens Axboe |
30 |
3.41% |
1 |
1.00% |
Yi Wang |
30 |
3.41% |
1 |
1.00% |
Yinghai Lu |
26 |
2.96% |
1 |
1.00% |
Vitaly Kuznetsov |
23 |
2.62% |
4 |
4.00% |
Andi Kleen |
20 |
2.28% |
5 |
5.00% |
Rusty Russell |
20 |
2.28% |
3 |
3.00% |
Ashok Raj |
17 |
1.93% |
2 |
2.00% |
Tejun Heo |
14 |
1.59% |
2 |
2.00% |
Don Zickus |
13 |
1.48% |
1 |
1.00% |
Alok N Kataria |
12 |
1.37% |
1 |
1.00% |
Vladislav Zolotarov |
11 |
1.25% |
1 |
1.00% |
Andrew Morton |
11 |
1.25% |
3 |
3.00% |
Tim Chen |
10 |
1.14% |
1 |
1.00% |
Eric W. Biedermann |
10 |
1.14% |
2 |
2.00% |
Hidehiro Kawai |
9 |
1.02% |
1 |
1.00% |
Hiroshi Shimamoto |
5 |
0.57% |
1 |
1.00% |
Dou Liyang |
5 |
0.57% |
1 |
1.00% |
Boris Ostrovsky |
5 |
0.57% |
2 |
2.00% |
Konrad Rzeszutek Wilk |
5 |
0.57% |
1 |
1.00% |
Miroslav Benes |
4 |
0.46% |
1 |
1.00% |
Peter Zijlstra |
4 |
0.46% |
1 |
1.00% |
H. Peter Anvin |
3 |
0.34% |
1 |
1.00% |
Paul E. McKenney |
3 |
0.34% |
1 |
1.00% |
Fernando Luis Vázquez Cao |
3 |
0.34% |
1 |
1.00% |
Len Brown |
3 |
0.34% |
1 |
1.00% |
Yanmin Zhang |
3 |
0.34% |
1 |
1.00% |
Eduardo Pereira Habkost |
3 |
0.34% |
1 |
1.00% |
Jaswinder Singh Rajput |
3 |
0.34% |
2 |
2.00% |
James Cleverdon |
2 |
0.23% |
1 |
1.00% |
Fenghua Yu |
2 |
0.23% |
1 |
1.00% |
Rafael J. Wysocki |
2 |
0.23% |
1 |
1.00% |
Prarit Bhargava |
2 |
0.23% |
1 |
1.00% |
Chuck Ebbert |
1 |
0.11% |
1 |
1.00% |
Alexey Y. Starikovskiy |
1 |
0.11% |
1 |
1.00% |
Suresh B. Siddha |
1 |
0.11% |
1 |
1.00% |
Greg Kroah-Hartman |
1 |
0.11% |
1 |
1.00% |
Total |
879 |
|
100 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_SMP_H
#define _ASM_X86_SMP_H
#ifndef __ASSEMBLY__
#include <linux/cpumask.h>
#include <asm/cpumask.h>
#include <asm/current.h>
#include <asm/thread_info.h>
extern int smp_num_siblings;
extern unsigned int num_processors;
DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_sibling_map);
DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_core_map);
DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_die_map);
/* cpus sharing the last level cache: */
DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map);
DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_l2c_shared_map);
DECLARE_PER_CPU_READ_MOSTLY(u16, cpu_llc_id);
DECLARE_PER_CPU_READ_MOSTLY(u16, cpu_l2c_id);
DECLARE_EARLY_PER_CPU_READ_MOSTLY(u16, x86_cpu_to_apicid);
DECLARE_EARLY_PER_CPU_READ_MOSTLY(u32, x86_cpu_to_acpiid);
DECLARE_EARLY_PER_CPU_READ_MOSTLY(u16, x86_bios_cpu_apicid);
#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32)
DECLARE_EARLY_PER_CPU_READ_MOSTLY(int, x86_cpu_to_logical_apicid);
#endif
struct task_struct;
struct smp_ops {
void (*smp_prepare_boot_cpu)(void);
void (*smp_prepare_cpus)(unsigned max_cpus);
void (*smp_cpus_done)(unsigned max_cpus);
void (*stop_other_cpus)(int wait);
void (*crash_stop_other_cpus)(void);
void (*smp_send_reschedule)(int cpu);
int (*cpu_up)(unsigned cpu, struct task_struct *tidle);
int (*cpu_disable)(void);
void (*cpu_die)(unsigned int cpu);
void (*play_dead)(void);
void (*send_call_func_ipi)(const struct cpumask *mask);
void (*send_call_func_single_ipi)(int cpu);
};
/* Globals due to paravirt */
extern void set_cpu_sibling_map(int cpu);
#ifdef CONFIG_SMP
extern struct smp_ops smp_ops;
static inline void smp_send_stop(void)
{
smp_ops.stop_other_cpus(0);
}
static inline void stop_other_cpus(void)
{
smp_ops.stop_other_cpus(1);
}
static inline void smp_prepare_boot_cpu(void)
{
smp_ops.smp_prepare_boot_cpu();
}
static inline void smp_prepare_cpus(unsigned int max_cpus)
{
smp_ops.smp_prepare_cpus(max_cpus);
}
static inline void smp_cpus_done(unsigned int max_cpus)
{
smp_ops.smp_cpus_done(max_cpus);
}
static inline int __cpu_up(unsigned int cpu, struct task_struct *tidle)
{
return smp_ops.cpu_up(cpu, tidle);
}
static inline int __cpu_disable(void)
{
return smp_ops.cpu_disable();
}
static inline void __cpu_die(unsigned int cpu)
{
smp_ops.cpu_die(cpu);
}
static inline void play_dead(void)
{
smp_ops.play_dead();
}
static inline void smp_send_reschedule(int cpu)
{
smp_ops.smp_send_reschedule(cpu);
}
static inline void arch_send_call_function_single_ipi(int cpu)
{
smp_ops.send_call_func_single_ipi(cpu);
}
static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
smp_ops.send_call_func_ipi(mask);
}
void cpu_disable_common(void);
void native_smp_prepare_boot_cpu(void);
void smp_prepare_cpus_common(void);
void native_smp_prepare_cpus(unsigned int max_cpus);
void calculate_max_logical_packages(void);
void native_smp_cpus_done(unsigned int max_cpus);
int common_cpu_up(unsigned int cpunum, struct task_struct *tidle);
int native_cpu_up(unsigned int cpunum, struct task_struct *tidle);
int native_cpu_disable(void);
int common_cpu_die(unsigned int cpu);
void native_cpu_die(unsigned int cpu);
void hlt_play_dead(void);
void native_play_dead(void);
void play_dead_common(void);
void wbinvd_on_cpu(int cpu);
int wbinvd_on_all_cpus(void);
void cond_wakeup_cpu0(void);
void native_smp_send_reschedule(int cpu);
void native_send_call_func_ipi(const struct cpumask *mask);
void native_send_call_func_single_ipi(int cpu);
void x86_idle_thread_init(unsigned int cpu, struct task_struct *idle);
void smp_store_boot_cpu_info(void);
void smp_store_cpu_info(int id);
asmlinkage __visible void smp_reboot_interrupt(void);
__visible void smp_reschedule_interrupt(struct pt_regs *regs);
__visible void smp_call_function_interrupt(struct pt_regs *regs);
__visible void smp_call_function_single_interrupt(struct pt_regs *r);
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
#define cpu_acpi_id(cpu) per_cpu(x86_cpu_to_acpiid, cpu)
/*
* This function is needed by all SMP systems. It must _always_ be valid
* from the initial startup.
*/
#define raw_smp_processor_id() this_cpu_read(pcpu_hot.cpu_number)
#define __smp_processor_id() __this_cpu_read(pcpu_hot.cpu_number)
#ifdef CONFIG_X86_32
extern int safe_smp_processor_id(void);
#else
# define safe_smp_processor_id() smp_processor_id()
#endif
static inline struct cpumask *cpu_llc_shared_mask(int cpu)
{
return per_cpu(cpu_llc_shared_map, cpu);
}
static inline struct cpumask *cpu_l2c_shared_mask(int cpu)
{
return per_cpu(cpu_l2c_shared_map, cpu);
}
#else /* !CONFIG_SMP */
#define wbinvd_on_cpu(cpu) wbinvd()
static inline int wbinvd_on_all_cpus(void)
{
wbinvd();
return 0;
}
static inline struct cpumask *cpu_llc_shared_mask(int cpu)
{
return (struct cpumask *)cpumask_of(0);
}
#endif /* CONFIG_SMP */
extern unsigned disabled_cpus;
#ifdef CONFIG_X86_LOCAL_APIC
extern int hard_smp_processor_id(void);
#else /* CONFIG_X86_LOCAL_APIC */
#define hard_smp_processor_id() 0
#endif /* CONFIG_X86_LOCAL_APIC */
#ifdef CONFIG_DEBUG_NMI_SELFTEST
extern void nmi_selftest(void);
#else
#define nmi_selftest() do { } while (0)
#endif
#endif /* __ASSEMBLY__ */
#endif /* _ASM_X86_SMP_H */