diff options
Diffstat (limited to 'arch/um')
| -rw-r--r-- | arch/um/kernel/process.c | 9 | ||||
| -rw-r--r-- | arch/um/kernel/time.c | 10 |
2 files changed, 15 insertions, 4 deletions
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index cf242fc5fe94..094028720567 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -220,10 +220,13 @@ static void time_travel_sleep(unsigned long long duration) if (time_travel_timer_mode == TT_TMR_ONESHOT) time_travel_set_timer_mode(TT_TMR_DISABLED); /* - * time_travel_time will be adjusted in the timer - * IRQ handler so it works even when the signal - * comes from the OS timer + * In basic mode, time_travel_time will be adjusted in + * the timer IRQ handler so it works even when the signal + * comes from the OS timer, see there. */ + if (time_travel_mode != TT_MODE_BASIC) + time_travel_set_time(time_travel_timer_expiry); + deliver_alarm(); } else { time_travel_set_time(next); diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 4ecabf7e54c9..15f2e88ba927 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -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); |