xref: /OK3568_Linux_fs/kernel/arch/arm/include/asm/paravirt.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _ASM_ARM_PARAVIRT_H
3*4882a593Smuzhiyun #define _ASM_ARM_PARAVIRT_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #ifdef CONFIG_PARAVIRT
6*4882a593Smuzhiyun struct static_key;
7*4882a593Smuzhiyun extern struct static_key paravirt_steal_enabled;
8*4882a593Smuzhiyun extern struct static_key paravirt_steal_rq_enabled;
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun struct pv_time_ops {
11*4882a593Smuzhiyun 	unsigned long long (*steal_clock)(int cpu);
12*4882a593Smuzhiyun };
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct paravirt_patch_template {
15*4882a593Smuzhiyun 	struct pv_time_ops time;
16*4882a593Smuzhiyun };
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun extern struct paravirt_patch_template pv_ops;
19*4882a593Smuzhiyun 
paravirt_steal_clock(int cpu)20*4882a593Smuzhiyun static inline u64 paravirt_steal_clock(int cpu)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	return pv_ops.time.steal_clock(cpu);
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun #endif
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #endif
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