#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H
-#include <linux/config.h>
#include <linux/threads.h>
#include <linux/irq.h>
unsigned int apic_timer_irqs; /* arch dependent */
} ____cacheline_aligned irq_cpustat_t;
-#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
+DECLARE_PER_CPU(irq_cpustat_t, irq_stat);
+extern irq_cpustat_t irq_stat[];
-/*
- * We put the hardirq and softirq counter into the preemption
- * counter. The bitmask has the following meaning:
- *
- * - bits 0-7 are the preemption count (max preemption depth: 256)
- * - bits 8-15 are the softirq count (max # of softirqs: 256)
- * - bits 16-23 are the hardirq count (max # of hardirqs: 256)
- *
- * - ( bit 26 is the PREEMPT_ACTIVE flag. )
- *
- * PREEMPT_MASK: 0x000000ff
- * SOFTIRQ_MASK: 0x0000ff00
- * HARDIRQ_MASK: 0x00ff0000
- */
+#define __ARCH_IRQ_STAT
+#define __IRQ_STAT(cpu, member) (per_cpu(irq_stat, cpu).member)
-#define PREEMPT_BITS 8
-#define SOFTIRQ_BITS 8
-#define HARDIRQ_BITS 8
-
-#define PREEMPT_SHIFT 0
-#define SOFTIRQ_SHIFT (PREEMPT_SHIFT + PREEMPT_BITS)
-#define HARDIRQ_SHIFT (SOFTIRQ_SHIFT + SOFTIRQ_BITS)
-
-/*
- * The hardirq mask has to be large enough to have
- * space for potentially all IRQ sources in the system
- * nesting on a single CPU:
- */
-#if (1 << HARDIRQ_BITS) < NR_IRQS
-# error HARDIRQ_BITS is too low!
-#endif
-
-#define nmi_enter() (irq_enter())
-#define nmi_exit() (preempt_count() -= HARDIRQ_OFFSET)
-
-#define irq_enter() (preempt_count() += HARDIRQ_OFFSET)
-#define irq_exit() \
-do { \
- preempt_count() -= IRQ_EXIT_OFFSET; \
- if (!in_interrupt() && softirq_pending(smp_processor_id())) \
- do_softirq(); \
- preempt_enable_no_resched(); \
-} while (0)
+void ack_bad_irq(unsigned int irq);
+#include <linux/irq_cpustat.h>
#endif /* __ASM_HARDIRQ_H */