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Index of /anon_sym/anon/sys/dev/char/10:236/subsystem/hpet
Index of /anon_sym/anon/sys/dev/char/10:236/subsystem/hpet
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i_I|+ ` -/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_SMP_H
#define _ASM_X86_SMP_H
#ifndef __ASSEMBLY__
#include
#include
#include
#include
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_EARLY_PER_CPU_READ_MOSTLY(u32, x86_cpu_to_apicid);
DECLARE_EARLY_PER_CPU_READ_MOSTLY(u32, x86_cpu_to_acpiid);
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);
void (*cleanup_dead_cpu)(unsigned cpu);
void (*poll_sync_state)(void);
int (*kick_ap_alive)(unsigned cpu, struct task_struct *tidle);
int (*cpu_disable)(void);
void (*cpu_die)(unsigned int cpu);
void (*play_dead)(void);
void (*stop_this_cpu)(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_disable(void)
{
return smp_ops.cpu_disable();
}
static inline void __cpu_die(unsigned int cpu)
{
if (smp_ops.cpu_die)
smp_ops.cpu_die(cpu);
}
static inline void __noreturn play_dead(void)
{
smp_ops.play_dead();
BUG();
}
static inline void arch_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 sm