diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /arch/x86/include/asm/cpu.h | |
Diffstat (limited to 'arch/x86/include/asm/cpu.h')
| -rw-r--r-- | arch/x86/include/asm/cpu.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h new file mode 100644 index 00000000..5f9a1243 --- /dev/null +++ b/arch/x86/include/asm/cpu.h @@ -0,0 +1,41 @@ +#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> + +#ifdef CONFIG_SMP + +extern void prefill_possible_map(void); + +#else /* CONFIG_SMP */ + +static inline void prefill_possible_map(void) {} + +#define cpu_physical_id(cpu) boot_cpu_physical_apicid +#define safe_smp_processor_id() 0 +#define stack_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 __cpuinit start_cpu0(void); +#ifdef CONFIG_DEBUG_HOTPLUG_CPU0 +extern int _debug_hotplug_cpu(int cpu, int action); +#endif +#endif + +DECLARE_PER_CPU(int, cpu_state); + +int mwait_usable(const struct cpuinfo_x86 *); + +#endif /* _ASM_X86_CPU_H */ |