x86: Distinguish TLB shootdown interrupts from other functions call interrupts
[linux-2.6-block.git] / arch / x86 / include / asm / hardirq.h
1 #ifndef _ASM_X86_HARDIRQ_H
2 #define _ASM_X86_HARDIRQ_H
3
4 #include <linux/threads.h>
5 #include <linux/irq.h>
6
7 typedef struct {
8         unsigned int __softirq_pending;
9         unsigned int __nmi_count;       /* arch dependent */
10 #ifdef CONFIG_X86_LOCAL_APIC
11         unsigned int apic_timer_irqs;   /* arch dependent */
12         unsigned int irq_spurious_count;
13         unsigned int icr_read_retry_count;
14 #endif
15         unsigned int x86_platform_ipis; /* arch dependent */
16         unsigned int apic_perf_irqs;
17         unsigned int apic_irq_work_irqs;
18 #ifdef CONFIG_SMP
19         unsigned int irq_resched_count;
20         unsigned int irq_call_count;
21         /*
22          * irq_tlb_count is double-counted in irq_call_count, so it must be
23          * subtracted from irq_call_count when displaying irq_call_count
24          */
25         unsigned int irq_tlb_count;
26 #endif
27 #ifdef CONFIG_X86_THERMAL_VECTOR
28         unsigned int irq_thermal_count;
29 #endif
30 #ifdef CONFIG_X86_MCE_THRESHOLD
31         unsigned int irq_threshold_count;
32 #endif
33 } ____cacheline_aligned irq_cpustat_t;
34
35 DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat);
36
37 /* We can have at most NR_VECTORS irqs routed to a cpu at a time */
38 #define MAX_HARDIRQS_PER_CPU NR_VECTORS
39
40 #define __ARCH_IRQ_STAT
41
42 #define inc_irq_stat(member)    this_cpu_inc(irq_stat.member)
43
44 #define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending)
45
46 #define __ARCH_SET_SOFTIRQ_PENDING
47
48 #define set_softirq_pending(x)  \
49                 this_cpu_write(irq_stat.__softirq_pending, (x))
50 #define or_softirq_pending(x)   this_cpu_or(irq_stat.__softirq_pending, (x))
51
52 extern void ack_bad_irq(unsigned int irq);
53
54 extern u64 arch_irq_stat_cpu(unsigned int cpu);
55 #define arch_irq_stat_cpu       arch_irq_stat_cpu
56
57 extern u64 arch_irq_stat(void);
58 #define arch_irq_stat           arch_irq_stat
59
60 #endif /* _ASM_X86_HARDIRQ_H */