mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 16:54:20 +08:00
34e0fc89bd
Signed-off-bu: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
#ifndef __BFIN_HARDIRQ_H
|
|
#define __BFIN_HARDIRQ_H
|
|
|
|
#include <linux/cache.h>
|
|
#include <linux/threads.h>
|
|
#include <asm/irq.h>
|
|
|
|
typedef struct {
|
|
unsigned int __softirq_pending;
|
|
unsigned int __syscall_count;
|
|
struct task_struct *__ksoftirqd_task;
|
|
} ____cacheline_aligned irq_cpustat_t;
|
|
|
|
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
|
|
|
|
/*
|
|
* 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
|
|
* HARDIRQ_MASK: 0x0000ff00
|
|
* SOFTIRQ_MASK: 0x00ff0000
|
|
*/
|
|
|
|
#if NR_IRQS > 256
|
|
#define HARDIRQ_BITS 9
|
|
#else
|
|
#define HARDIRQ_BITS 8
|
|
#endif
|
|
|
|
#ifdef NR_IRQS
|
|
# if (1 << HARDIRQ_BITS) < NR_IRQS
|
|
# error HARDIRQ_BITS is too low!
|
|
# endif
|
|
#endif
|
|
|
|
#define __ARCH_IRQ_EXIT_IRQS_DISABLED 1
|
|
|
|
#endif
|