diff options
Diffstat (limited to 'arch/um/kernel/time.c')
| -rw-r--r-- | arch/um/kernel/time.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 234757233355..94ea87bd231c 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -1,9 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2015 Anton Ivanov (aivanov@{brocade.com,kot-begemot.co.uk}) * Copyright (C) 2015 Thomas Meyer (thomas@m3y3r.de) * Copyright (C) 2012-2014 Cisco Systems * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL */ #include <linux/clockchips.h> @@ -39,7 +39,15 @@ void timer_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs) { unsigned long flags; - if (time_travel_mode != TT_MODE_OFF) + /* + * In basic time-travel mode we still get real interrupts + * (signals) but since we don't read time from the OS, we + * must update the simulated time here to the expiry when + * we get a signal. + * This is not the case in inf-cpu mode, since there we + * never get any real signals from the OS. + */ + if (time_travel_mode == TT_MODE_BASIC) time_travel_set_time(time_travel_timer_expiry); local_irq_save(flags); @@ -65,6 +73,7 @@ static int itimer_set_periodic(struct clock_event_device *evt) if (time_travel_mode != TT_MODE_OFF) { time_travel_set_timer_mode(TT_TMR_PERIODIC); time_travel_set_timer_expiry(time_travel_time + interval); + time_travel_set_timer_interval(interval); } if (time_travel_mode != TT_MODE_INFCPU) |