diff options
Diffstat (limited to 'arch/x86/include/asm/clocksource.h')
-rw-r--r-- | arch/x86/include/asm/clocksource.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/include/asm/clocksource.h b/arch/x86/include/asm/clocksource.h index a5df33f614c..3882c65dc19 100644 --- a/arch/x86/include/asm/clocksource.h +++ b/arch/x86/include/asm/clocksource.h @@ -7,8 +7,12 @@ #define __ARCH_HAS_CLOCKSOURCE_DATA +#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. */ + struct arch_clocksource_data { - cycle_t (*vread)(void); + int vclock_mode; }; #endif /* CONFIG_X86_64 */ |