kernel-fxtec-pro1x/arch/x86/include/asm/hardirq.h
Brian Gerst 2de3a5f795 x86: make irq_cpustat_t fields conditional
Impact: shrink size of irq_cpustat_t when possible

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2009-01-23 11:03:32 +09:00

52 lines
1.3 KiB
C

#ifndef _ASM_X86_HARDIRQ_H
#define _ASM_X86_HARDIRQ_H
#include <linux/threads.h>
#include <linux/irq.h>
typedef struct {
unsigned int __softirq_pending;
unsigned int __nmi_count; /* arch dependent */
unsigned int irq0_irqs;
#ifdef CONFIG_X86_LOCAL_APIC
unsigned int apic_timer_irqs; /* arch dependent */
unsigned int irq_spurious_count;
#endif
#ifdef CONFIG_SMP
unsigned int irq_resched_count;
unsigned int irq_call_count;
unsigned int irq_tlb_count;
#endif
#ifdef CONFIG_X86_MCE
unsigned int irq_thermal_count;
# ifdef CONFIG_X86_64
unsigned int irq_threshold_count;
# endif
#endif
} ____cacheline_aligned irq_cpustat_t;
DECLARE_PER_CPU(irq_cpustat_t, irq_stat);
/* We can have at most NR_VECTORS irqs routed to a cpu at a time */
#define MAX_HARDIRQS_PER_CPU NR_VECTORS
#define __ARCH_IRQ_STAT
#define inc_irq_stat(member) percpu_add(irq_stat.member, 1)
#define local_softirq_pending() percpu_read(irq_stat.__softirq_pending)
#define __ARCH_SET_SOFTIRQ_PENDING
#define set_softirq_pending(x) percpu_write(irq_stat.__softirq_pending, (x))
#define or_softirq_pending(x) percpu_or(irq_stat.__softirq_pending, (x))
extern void ack_bad_irq(unsigned int irq);
extern u64 arch_irq_stat_cpu(unsigned int cpu);
#define arch_irq_stat_cpu arch_irq_stat_cpu
extern u64 arch_irq_stat(void);
#define arch_irq_stat arch_irq_stat
#endif /* _ASM_X86_HARDIRQ_H */