diff options
Diffstat (limited to 'include/asm-i386/mach-default/mach_ipi.h')
-rw-r--r-- | include/asm-i386/mach-default/mach_ipi.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/asm-i386/mach-default/mach_ipi.h b/include/asm-i386/mach-default/mach_ipi.h new file mode 100644 index 000000000000..6f2b17a20089 --- /dev/null +++ b/include/asm-i386/mach-default/mach_ipi.h @@ -0,0 +1,30 @@ +#ifndef __ASM_MACH_IPI_H +#define __ASM_MACH_IPI_H + +void send_IPI_mask_bitmask(cpumask_t mask, int vector); +void __send_IPI_shortcut(unsigned int shortcut, int vector); + +static inline void send_IPI_mask(cpumask_t mask, int vector) +{ + send_IPI_mask_bitmask(mask, vector); +} + +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; + + __send_IPI_shortcut(APIC_DEST_ALLBUT, vector); + return; +} + +static inline void send_IPI_all(int vector) +{ + __send_IPI_shortcut(APIC_DEST_ALLINC, vector); +} + +#endif /* __ASM_MACH_IPI_H */ |