blob: 377dfd8cfc7cfa7740e47f18d8046319aa8a1efe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#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 <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_X86_MACH_DEFAULT__MACH_IPI_H */
|
