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timer: remove replay clock probe in deadline calculation 

Ciro Santilli reported that commit a5ed352596
breaks the execution replay. It happens due to the probing the clock
for the new instances of iothread.
However, this probing was made in replay mode for the timer lists that
are empty.
This patch removes clock probing in replay mode.
It is an artifact of the old version with another thread model.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Message-Id: <20180725121526.12867.17866.stgit@pasha-VirtualBox>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Pavel Dovgalyuk 2018-07-25 15:15:26 +03:00 committed by Paolo Bonzini
parent 1d3db6bdbb
commit e4dab9449a
1 changed files with 2 additions and 9 deletions
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11
util/qemu-timer.c
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@ -578,17 +578,10 @@ int64_t timerlistgroup_deadline_ns(QEMUTimerListGroup *tlg)
{
int64_t deadline = -1;
QEMUClockType type;
bool play = replay_mode == REPLAY_MODE_PLAY;
for (type = 0; type < QEMU_CLOCK_MAX; type++) {
if (qemu_clock_use_for_deadline(type)) {
if (!play || type == QEMU_CLOCK_REALTIME) {
deadline = qemu_soonest_timeout(deadline,
timerlist_deadline_ns(tlg->tl[type]));
} else {
/* Read clock from the replay file and
do not calculate the deadline, based on virtual clock. */
qemu_clock_get_ns(type);
}
deadline = qemu_soonest_timeout(deadline,
timerlist_deadline_ns(tlg->tl[type]));
}
}
return deadline;