diff options
Diffstat (limited to 'arch/x86/include/asm/tsc.h')
| -rw-r--r-- | arch/x86/include/asm/tsc.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h index 33b6365c22fe..abb1fdcc545a 100644 --- a/arch/x86/include/asm/tsc.h +++ b/arch/x86/include/asm/tsc.h @@ -45,8 +45,17 @@ extern int tsc_clocksource_reliable; * Boot-time check whether the TSCs are synchronized across * all CPUs/cores: */ +#ifdef CONFIG_X86_TSC +extern bool tsc_store_and_check_tsc_adjust(bool bootcpu); +extern void tsc_verify_tsc_adjust(bool resume); extern void check_tsc_sync_source(int cpu); extern void check_tsc_sync_target(void); +#else +static inline bool tsc_store_and_check_tsc_adjust(bool bootcpu) { return false; } +static inline void tsc_verify_tsc_adjust(bool resume) { } +static inline void check_tsc_sync_source(int cpu) { } +static inline void check_tsc_sync_target(void) { } +#endif extern int notsc_setup(char *); extern void tsc_save_sched_clock_state(void); |