xref: /openbmc/linux/arch/x86/include/asm/clocksource.h (revision 659a9faa)
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 
vclock_was_used(int vclock)11 static inline bool vclock_was_used(int vclock)
12 {
13 	return READ_ONCE(vclocks_used) & (1U << vclock);
14 }
15 
vclocks_set_used(unsigned int which)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 */
22