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-rw-r--r--kernel/time/Kconfig5
-rw-r--r--kernel/time/timekeeping_internal.h7
2 files changed, 0 insertions, 12 deletions
diff --git a/kernel/time/Kconfig b/kernel/time/Kconfig
index 8ebb6d5a106b..b0b97a60aaa6 100644
--- a/kernel/time/Kconfig
+++ b/kernel/time/Kconfig
@@ -17,11 +17,6 @@ config ARCH_CLOCKSOURCE_DATA
config ARCH_CLOCKSOURCE_INIT
bool
-# Clocksources require validation of the clocksource against the last
-# cycle update - x86/TSC misfeature
-config CLOCKSOURCE_VALIDATE_LAST_CYCLE
- bool
-
# Timekeeping vsyscall support
config GENERIC_TIME_VSYSCALL
bool
diff --git a/kernel/time/timekeeping_internal.h b/kernel/time/timekeeping_internal.h
index b3dca834f48c..63e600e943a7 100644
--- a/kernel/time/timekeeping_internal.h
+++ b/kernel/time/timekeeping_internal.h
@@ -30,7 +30,6 @@ static inline void timekeeping_inc_mg_floor_swaps(void)
#endif
-#ifdef CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE
static inline u64 clocksource_delta(u64 now, u64 last, u64 mask)
{
u64 ret = (now - last) & mask;
@@ -41,12 +40,6 @@ static inline u64 clocksource_delta(u64 now, u64 last, u64 mask)
*/
return ret & ~(mask >> 1) ? 0 : ret;
}
-#else
-static inline u64 clocksource_delta(u64 now, u64 last, u64 mask)
-{
- return (now - last) & mask;
-}
-#endif
/* Semi public for serialization of non timekeeper VDSO updates. */
unsigned long timekeeper_lock_irqsave(void);