summaryrefslogtreecommitdiff
path: root/arch/s390/include/asm/hardirq.h
blob: 498bc38923856ddb1957ddd0ac934b7c7e510003 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/*
 *  include/asm-s390/hardirq.h
 *
 *  S390 version
 *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
 *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
 *               Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
 *
 *  Derived from "include/asm-i386/hardirq.h"
 */

#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H

#include <linux/threads.h>
#include <linux/sched.h>
#include <linux/cache.h>
#include <linux/interrupt.h>
#include <asm/lowcore.h>

#define local_softirq_pending() (S390_lowcore.softirq_pending)

#define __ARCH_IRQ_STAT
#define __ARCH_HAS_DO_SOFTIRQ

#define HARDIRQ_BITS	8

void clock_comparator_work(void);

static inline unsigned long long local_tick_disable(void)
{
	unsigned long long old;

	old = S390_lowcore.clock_comparator;
	S390_lowcore.clock_comparator = -1ULL;
	return old;
}

static inline void local_tick_enable(unsigned long long comp)
{
	S390_lowcore.clock_comparator = comp;
}

#endif /* __ASM_HARDIRQ_H */