aboutsummaryrefslogtreecommitdiff
path: root/qemu-timer.c
diff options
context:
space:
mode:
authorPaolo Bonzini <pbonzini@redhat.com>2011-04-13 10:03:46 +0200
committerEdgar E. Iglesias <edgar.iglesias@gmail.com>2011-04-15 09:27:56 +0200
commitcb842c90a485d9dbf05fa51e1500b3c1a1931256 (patch)
tree8d79ce50b0e1bbc0548c9584936ca565be75f410 /qemu-timer.c
parent1ece93a91b8435b815ce7214cf41bbbbe7929e8b (diff)
qemu_next_deadline should not consider host-time timers
It is purely for icount-based virtual timers. And now that we got the code right, rename the function to clarify the intended scope. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Tested-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Diffstat (limited to 'qemu-timer.c')
-rw-r--r--qemu-timer.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/qemu-timer.c b/qemu-timer.c
index 7998f37a51..b8c0c8870d 100644
--- a/qemu-timer.c
+++ b/qemu-timer.c
@@ -452,7 +452,7 @@ void qemu_clock_warp(QEMUClock *clock)
}
vm_clock_warp_start = qemu_get_clock_ns(rt_clock);
- deadline = qemu_next_deadline();
+ deadline = qemu_next_icount_deadline();
if (deadline > 0) {
/*
* Ensure the vm_clock proceeds even when the virtual CPU goes to
@@ -765,21 +765,16 @@ static void host_alarm_handler(int host_signum)
}
}
-int64_t qemu_next_deadline(void)
+int64_t qemu_next_icount_deadline(void)
{
/* To avoid problems with overflow limit this to 2^32. */
int64_t delta = INT32_MAX;
+ assert(use_icount);
if (active_timers[QEMU_CLOCK_VIRTUAL]) {
delta = active_timers[QEMU_CLOCK_VIRTUAL]->expire_time -
qemu_get_clock_ns(vm_clock);
}
- if (active_timers[QEMU_CLOCK_HOST]) {
- int64_t hdelta = active_timers[QEMU_CLOCK_HOST]->expire_time -
- qemu_get_clock_ns(host_clock);
- if (hdelta < delta)
- delta = hdelta;
- }
if (delta < 0)
delta = 0;
@@ -1169,7 +1164,7 @@ int qemu_calculate_timeout(void)
} else {
/* Wait for either IO to occur or the next
timer event. */
- add = qemu_next_deadline();
+ add = qemu_next_icount_deadline();
/* We advance the timer before checking for IO.
Limit the amount we advance so that early IO
activity won't get the guest too far ahead. */