summaryrefslogtreecommitdiffstats
path: root/arch/arm64/include/asm/paravirt.h
blob: cf3a0fd7c1a7e00ef146b4a19aa4abf711a33b6c (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
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_ARM64_PARAVIRT_H
#define _ASM_ARM64_PARAVIRT_H

#ifdef CONFIG_PARAVIRT
struct static_key;
extern struct static_key paravirt_steal_enabled;
extern struct static_key paravirt_steal_rq_enabled;

struct pv_time_ops {
	unsigned long long (*steal_clock)(int cpu);
};

struct paravirt_patch_template {
	struct pv_time_ops time;
};

extern struct paravirt_patch_template pv_ops;

static inline u64 paravirt_steal_clock(int cpu)
{
	return pv_ops.time.steal_clock(cpu);
}

int __init pv_time_init(void);

#else

#define pv_time_init() do {} while (0)

#endif // CONFIG_PARAVIRT

#endif