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linux/include/asm-x86/mach-default/mach_ipi.h
Glauber Costa 5af5573ee0 x86: move ipi definitions to mach_ipi.h
take them out of the x86_64-only asm/mach_apic.h

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-04-17 17:41:30 +02:00

65 lines
1.4 KiB
C

#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;
#ifdef CONFIG_X86_64
#include <asm/genapic.h>
#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_MACH_IPI_H */