diff options
Diffstat (limited to 'arch/x86/include/asm/clocksource.h')
| -rw-r--r-- | arch/x86/include/asm/clocksource.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/x86/include/asm/clocksource.h b/arch/x86/include/asm/clocksource.h index 16a57f4ed64d..dc9dc7b3911a 100644 --- a/arch/x86/include/asm/clocksource.h +++ b/arch/x86/include/asm/clocksource.h @@ -1,19 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* x86-specific clocksource additions */ #ifndef _ASM_X86_CLOCKSOURCE_H #define _ASM_X86_CLOCKSOURCE_H -#ifdef CONFIG_X86_64 +#include <asm/vdso/clocksource.h> -#define VCLOCK_NONE 0 /* No vDSO clock available. */ -#define VCLOCK_TSC 1 /* vDSO should use vread_tsc. */ -#define VCLOCK_HPET 2 /* vDSO should use vread_hpet. */ -#define VCLOCK_PVCLOCK 3 /* vDSO should use vread_pvclock. */ +extern unsigned int vclocks_used; -struct arch_clocksource_data { - int vclock_mode; -}; +static inline bool vclock_was_used(int vclock) +{ + return READ_ONCE(vclocks_used) & (1U << vclock); +} -#endif /* CONFIG_X86_64 */ +static inline void vclocks_set_used(unsigned int which) +{ + WRITE_ONCE(vclocks_used, READ_ONCE(vclocks_used) | (1 << which)); +} #endif /* _ASM_X86_CLOCKSOURCE_H */ |