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icount: print a warning if there is no more deadline in sleep=no mode

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While qemu is running in sleep=no mode, a warning will be printed
when no timer deadline is set.
As this mode is intended for getting deterministic virtual time, if no
timer is set on the virtual clock this determinism is broken.

Signed-off-by: Victor CLEMENT <victor.clement@openwide.fr>
Message-Id: <1432912446-9811-4-git-send-email-victor.clement@openwide.fr>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Victor CLEMENT 2015-05-29 17:14:06 +02:00 committed by Paolo Bonzini
parent f1f4b57e88
commit d7a0f71d9a
1 changed files with 5 additions and 0 deletions
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5
cpus.c
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@ -419,6 +419,11 @@ void qemu_clock_warp(QEMUClockType type)
clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL_RT);
deadline = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
if (deadline < 0) {
static bool notified;
if (!icount_sleep && !notified) {
error_report("WARNING: icount sleep disabled and no active timers");
notified = true;
}
return;
}