From 96a388de5dc53a8b234b3fd41f3ae2cedc9ffd42 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Thu, 11 Oct 2007 11:20:03 +0200 Subject: i386/x86_64: move headers to include/asm-x86 Move the headers to include/asm-x86 and fixup the header install make rules Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- include/asm-x86/mach-default/mach_ipi.h | 54 +++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 include/asm-x86/mach-default/mach_ipi.h (limited to 'include/asm-x86/mach-default/mach_ipi.h') diff --git a/include/asm-x86/mach-default/mach_ipi.h b/include/asm-x86/mach-default/mach_ipi.h new file mode 100644 index 00000000000..0dba244c86d --- /dev/null +++ b/include/asm-x86/mach-default/mach_ipi.h @@ -0,0 +1,54 @@ +#ifndef __ASM_MACH_IPI_H +#define __ASM_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; + +static inline void send_IPI_mask(cpumask_t mask, int vector) +{ + send_IPI_mask_bitmask(mask, vector); +} + +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); +} + +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 /* __ASM_MACH_IPI_H */ -- cgit v1.2.3