diff options
Diffstat (limited to 'arch/x86/include/asm/cpu.h')
| -rw-r--r-- | arch/x86/include/asm/cpu.h | 53 |
1 files changed, 24 insertions, 29 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 33d41e350c79..ad235dda1ded 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -7,49 +7,33 @@ #include <linux/topology.h> #include <linux/nodemask.h> #include <linux/percpu.h> +#include <asm/ibt.h> -#ifdef CONFIG_SMP - -extern void prefill_possible_map(void); - -#else /* CONFIG_SMP */ - -static inline void prefill_possible_map(void) {} - +#ifndef CONFIG_SMP #define cpu_physical_id(cpu) boot_cpu_physical_apicid #define cpu_acpi_id(cpu) 0 -#define safe_smp_processor_id() 0 - #endif /* CONFIG_SMP */ -struct x86_cpu { - struct cpu cpu; -}; - #ifdef CONFIG_HOTPLUG_CPU -extern int arch_register_cpu(int num); -extern void arch_unregister_cpu(int); -extern void start_cpu0(void); -#ifdef CONFIG_DEBUG_HOTPLUG_CPU0 -extern int _debug_hotplug_cpu(int cpu, int action); -#endif +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_CPU_SUP_INTEL +#ifdef CONFIG_X86_BUS_LOCK_DETECT extern void __init sld_setup(struct cpuinfo_x86 *c); -extern void switch_to_sld(unsigned long tifn); 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); -u8 get_this_hybrid_cpu_type(void); +void split_lock_init(void); +void bus_lock_init(void); #else static inline void __init sld_setup(struct cpuinfo_x86 *c) {} -static inline void switch_to_sld(unsigned long tifn) {} static inline bool handle_user_split_lock(struct pt_regs *regs, long error_code) { return false; @@ -61,15 +45,26 @@ static inline bool handle_guest_split_lock(unsigned long ip) } static inline void handle_bus_lock(struct pt_regs *regs) {} - -static inline u8 get_this_hybrid_cpu_type(void) -{ - return 0; -} +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 */ |
