diff options
Diffstat (limited to 'include/clocksource/hyperv_timer.h')
| -rw-r--r-- | include/clocksource/hyperv_timer.h | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/include/clocksource/hyperv_timer.h b/include/clocksource/hyperv_timer.h index 536f897375d0..d48dd4176fd3 100644 --- a/include/clocksource/hyperv_timer.h +++ b/include/clocksource/hyperv_timer.h @@ -15,7 +15,7 @@ #include <linux/clocksource.h> #include <linux/math64.h> -#include <asm/hyperv-tlfs.h> +#include <hyperv/hvhdk.h> #define HV_MAX_MAX_DELTA_TICKS 0xffffffff #define HV_MIN_DELTA_TICKS 1 @@ -38,8 +38,11 @@ extern void hv_remap_tsc_clocksource(void); extern unsigned long hv_get_tsc_pfn(void); extern struct ms_hyperv_tsc_page *hv_get_tsc_page(void); -static inline notrace u64 -hv_read_tsc_page_tsc(const struct ms_hyperv_tsc_page *tsc_pg, u64 *cur_tsc) +extern void hv_adj_sched_clock_offset(u64 offset); + +static __always_inline bool +hv_read_tsc_page_tsc(const struct ms_hyperv_tsc_page *tsc_pg, + u64 *cur_tsc, u64 *time) { u64 scale, offset; u32 sequence; @@ -63,7 +66,7 @@ hv_read_tsc_page_tsc(const struct ms_hyperv_tsc_page *tsc_pg, u64 *cur_tsc) do { sequence = READ_ONCE(tsc_pg->tsc_sequence); if (!sequence) - return U64_MAX; + return false; /* * Make sure we read sequence before we read other values from * TSC page. @@ -82,15 +85,8 @@ hv_read_tsc_page_tsc(const struct ms_hyperv_tsc_page *tsc_pg, u64 *cur_tsc) } while (READ_ONCE(tsc_pg->tsc_sequence) != sequence); - return mul_u64_u64_shr(*cur_tsc, scale, 64) + offset; -} - -static inline notrace u64 -hv_read_tsc_page(const struct ms_hyperv_tsc_page *tsc_pg) -{ - u64 cur_tsc; - - return hv_read_tsc_page_tsc(tsc_pg, &cur_tsc); + *time = mul_u64_u64_shr(*cur_tsc, scale, 64) + offset; + return true; } #else /* CONFIG_HYPERV_TIMER */ @@ -104,10 +100,10 @@ static inline struct ms_hyperv_tsc_page *hv_get_tsc_page(void) return NULL; } -static inline u64 hv_read_tsc_page_tsc(const struct ms_hyperv_tsc_page *tsc_pg, - u64 *cur_tsc) +static __always_inline bool +hv_read_tsc_page_tsc(const struct ms_hyperv_tsc_page *tsc_pg, u64 *cur_tsc, u64 *time) { - return U64_MAX; + return false; } static inline int hv_stimer_cleanup(unsigned int cpu) { return 0; } |