diff options
Diffstat (limited to 'kernel/arch/parisc/include/asm/hardirq.h')
| -rw-r--r-- | kernel/arch/parisc/include/asm/hardirq.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/kernel/arch/parisc/include/asm/hardirq.h b/kernel/arch/parisc/include/asm/hardirq.h new file mode 100644 index 000000000..9b3bd039a --- /dev/null +++ b/kernel/arch/parisc/include/asm/hardirq.h @@ -0,0 +1,46 @@ +/* hardirq.h: PA-RISC hard IRQ support. + * + * Copyright (C) 2001 Matthew Wilcox <matthew@wil.cx> + * Copyright (C) 2013 Helge Deller <deller@gmx.de> + */ + +#ifndef _PARISC_HARDIRQ_H +#define _PARISC_HARDIRQ_H + +#include <linux/cache.h> +#include <linux/threads.h> +#include <linux/irq.h> + +#ifdef CONFIG_IRQSTACKS +#define __ARCH_HAS_DO_SOFTIRQ +#endif + +typedef struct { + unsigned int __softirq_pending; + unsigned int kernel_stack_usage; + unsigned int irq_stack_usage; +#ifdef CONFIG_SMP + unsigned int irq_resched_count; +#endif + unsigned int irq_unaligned_count; + unsigned int irq_fpassist_count; + unsigned int irq_tlb_count; +} ____cacheline_aligned irq_cpustat_t; + +DECLARE_PER_CPU_SHARED_ALIGNED(irq_cpustat_t, irq_stat); + +#define __ARCH_IRQ_STAT +#define __IRQ_STAT(cpu, member) (irq_stat[cpu].member) +#define inc_irq_stat(member) this_cpu_inc(irq_stat.member) +#define __inc_irq_stat(member) __this_cpu_inc(irq_stat.member) +#define local_softirq_pending() this_cpu_read(irq_stat.__softirq_pending) + +#define __ARCH_SET_SOFTIRQ_PENDING + +#define set_softirq_pending(x) \ + this_cpu_write(irq_stat.__softirq_pending, (x)) +#define or_softirq_pending(x) this_cpu_or(irq_stat.__softirq_pending, (x)) + +#define ack_bad_irq(irq) WARN(1, "unexpected IRQ trap at vector %02x\n", irq) + +#endif /* _PARISC_HARDIRQ_H */ |