Merge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-microblaze.git] / arch / x86 / include / asm / clocksource.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* x86-specific clocksource additions */
3
4 #ifndef _ASM_X86_CLOCKSOURCE_H
5 #define _ASM_X86_CLOCKSOURCE_H
6
7 #include <asm/vdso/clocksource.h>
8
9 extern unsigned int vclocks_used;
10
11 static inline bool vclock_was_used(int vclock)
12 {
13         return READ_ONCE(vclocks_used) & (1U << vclock);
14 }
15
16 static inline void vclocks_set_used(unsigned int which)
17 {
18         WRITE_ONCE(vclocks_used, READ_ONCE(vclocks_used) | (1 << which));
19 }
20
21 #endif /* _ASM_X86_CLOCKSOURCE_H */