linux/arch/x86/include/asm/clocksource.h
Marcelo Tosatti 71056ae22d x86: pvclock: generic pvclock vsyscall initialization
Originally from Jeremy Fitzhardinge.

Introduce generic, non hypervisor specific, pvclock initialization
routines.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2012-11-27 23:29:09 -02:00

20 lines
474 B
C

/* x86-specific clocksource additions */
#ifndef _ASM_X86_CLOCKSOURCE_H
#define _ASM_X86_CLOCKSOURCE_H
#ifdef CONFIG_X86_64
#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. */
struct arch_clocksource_data {
int vclock_mode;
};
#endif /* CONFIG_X86_64 */
#endif /* _ASM_X86_CLOCKSOURCE_H */