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-rw-r--r--arch/um/kernel/time.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 80d33735cfd2..204ddb141b01 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -190,7 +190,13 @@ static void time_travel_ext_update_request(unsigned long long time)
void __time_travel_propagate_time(void)
{
+ static unsigned long long last_propagated;
+
+ if (last_propagated == time_travel_time)
+ return;
+
time_travel_ext_req(UM_TIMETRAVEL_UPDATE, time_travel_time);
+ last_propagated = time_travel_time;
}
EXPORT_SYMBOL_GPL(__time_travel_propagate_time);