#ifndef _ASM_X86_MACH_DEFAULT_MACH_IPI_H #define _ASM_X86_MACH_DEFAULT_MACH_IPI_H /* Avoid include hell */ #define NMI_VECTOR 0x02 void send_IPI_mask_bitmask(cpumask_t mask, int vector); void __send_IPI_shortcut(unsigned int shortcut, int vector); extern int no_broadcast; #ifdef CONFIG_X86_64 #include #define send_IPI_mask (genapic->send_IPI_mask) #else static inline void send_IPI_mask(cpumask_t mask, int vector) { send_IPI_mask_bitmask(mask, vector); } #endif static inline void __local_send_IPI_allbutself(int vector) { if (no_broadcast || vector == NMI_VECTOR) { cpumask_t mask = cpu_online_map; cpu_clear(smp_processor_id(), mask); send_IPI_mask(mask, vector); } else __send_IPI_shortcut(APIC_DEST_ALLBUT, vector); } static inline void __local_send_IPI_all(int vector) { if (no_broadcast || vector == NMI_VECTOR) send_IPI_mask(cpu_online_map, vector); else __send_IPI_shortcut(APIC_DEST_ALLINC, vector); } #ifdef CONFIG_X86_64 #define send_IPI_allbutself (genapic->send_IPI_allbutself) #define send_IPI_all (genapic->send_IPI_all) #else static inline void send_IPI_allbutself(int vector) { /* * if there are no other CPUs in the system then we get an APIC send * error if we try to broadcast, thus avoid sending IPIs in this case. */ if (!(num_online_cpus() > 1)) return; __local_send_IPI_allbutself(vector); return; } static inline void send_IPI_all(int vector) { __local_send_IPI_all(vector); } #endif #endif /* _ASM_X86_MACH_DEFAULT_MACH_IPI_H */