Contributors: 22
Author Tokens Token Proportion Commits Commit Proportion
Peter Zijlstra 66 20.62% 4 8.00%
Thomas Gleixner 40 12.50% 9 18.00%
Jithu Joseph 29 9.06% 4 8.00%
Borislav Petkov 26 8.12% 3 6.00%
Andrew Morton 26 8.12% 5 10.00%
Linus Torvalds (pre-git) 23 7.19% 5 10.00%
Andi Kleen 21 6.56% 2 4.00%
Fenghua Yu 18 5.62% 2 4.00%
Yinghai Lu 14 4.38% 2 4.00%
Sean Christopherson 13 4.06% 2 4.00%
Ravi Bangoria 12 3.75% 1 2.00%
Ashok Raj 7 2.19% 1 2.00%
Len Brown 5 1.56% 1 2.00%
Dave Jones 4 1.25% 1 2.00%
Matthew Dobson 3 0.94% 1 2.00%
H. Peter Anvin 3 0.94% 1 2.00%
Daniel Sneddon 3 0.94% 1 2.00%
Pawan Gupta 2 0.62% 1 2.00%
Glauber de Oliveira Costa 2 0.62% 1 2.00%
Jaswinder Singh Rajput 1 0.31% 1 2.00%
Chuck Ebbert 1 0.31% 1 2.00%
Greg Kroah-Hartman 1 0.31% 1 2.00%
Total 320 50 


/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_CPU_H
#define _ASM_X86_CPU_H

#include <linux/device.h>
#include <linux/cpu.h>
#include <linux/topology.h>
#include <linux/nodemask.h>
#include <linux/percpu.h>
#include <asm/ibt.h>

#ifndef CONFIG_SMP
#define cpu_physical_id(cpu)			boot_cpu_physical_apicid
#endif /* CONFIG_SMP */

#ifdef CONFIG_HOTPLUG_CPU
extern void soft_restart_cpu(void);
#endif

extern void ap_init_aperfmperf(void);

int mwait_usable(const struct cpuinfo_x86 *);

unsigned int x86_family(unsigned int sig);
unsigned int x86_model(unsigned int sig);
unsigned int x86_stepping(unsigned int sig);
#ifdef CONFIG_X86_BUS_LOCK_DETECT
extern void __init sld_setup(struct cpuinfo_x86 *c);
extern bool handle_user_split_lock(struct pt_regs *regs, long error_code);
extern bool handle_guest_split_lock(unsigned long ip);
extern void handle_bus_lock(struct pt_regs *regs);
void split_lock_init(void);
void bus_lock_init(void);
#else
static inline void __init sld_setup(struct cpuinfo_x86 *c) {}
static inline bool handle_user_split_lock(struct pt_regs *regs, long error_code)
{
	return false;
}

static inline bool handle_guest_split_lock(unsigned long ip)
{
	return false;
}

static inline void handle_bus_lock(struct pt_regs *regs) {}
static inline void split_lock_init(void) {}
static inline void bus_lock_init(void) {}
#endif

#ifdef CONFIG_IA32_FEAT_CTL
void init_ia32_feat_ctl(struct cpuinfo_x86 *c);
#else
static inline void init_ia32_feat_ctl(struct cpuinfo_x86 *c) {}
#endif

extern __noendbr void cet_disable(void);

struct cpu_signature;

void intel_collect_cpu_info(struct cpu_signature *sig);

extern u64 x86_read_arch_cap_msr(void);
bool intel_find_matching_signature(void *mc, struct cpu_signature *sig);
int intel_microcode_sanity_check(void *mc, bool print_err, int hdr_type);

extern struct cpumask cpus_stop_mask;

#endif /* _ASM_X86_CPU_H */