[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v4 5/6] qemu_next_alarm_deadline: check the expire t
From: |
Stefano Stabellini |
Subject: |
[Qemu-devel] [PATCH v4 5/6] qemu_next_alarm_deadline: check the expire time of a clock only if it is enabled |
Date: |
Tue, 31 Jan 2012 16:12:53 +0000 |
Also delta in qemu_next_alarm_deadline is a 64 bit value so set the
default to INT64_MAX instead of INT32_MAX.
Signed-off-by: Stefano Stabellini <address@hidden>
---
qemu-timer.c | 10 ++++------
1 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/qemu-timer.c b/qemu-timer.c
index 29410f1..de20852 100644
--- a/qemu-timer.c
+++ b/qemu-timer.c
@@ -106,23 +106,21 @@ static inline int alarm_has_dynticks(struct
qemu_alarm_timer *t)
static int64_t qemu_next_alarm_deadline(void)
{
- int64_t delta;
+ int64_t delta = INT64_MAX;
int64_t rtdelta;
- if (!use_icount && vm_clock->active_timers) {
+ if (!use_icount && vm_clock->enabled && vm_clock->active_timers) {
delta = vm_clock->active_timers->expire_time -
qemu_get_clock_ns(vm_clock);
- } else {
- delta = INT32_MAX;
}
- if (host_clock->active_timers) {
+ if (host_clock->enabled && host_clock->active_timers) {
int64_t hdelta = host_clock->active_timers->expire_time -
qemu_get_clock_ns(host_clock);
if (hdelta < delta) {
delta = hdelta;
}
}
- if (rt_clock->active_timers) {
+ if (rt_clock->enabled && rt_clock->active_timers) {
rtdelta = (rt_clock->active_timers->expire_time -
qemu_get_clock_ns(rt_clock));
if (rtdelta < delta) {
--
1.7.2.5
- [Qemu-devel] [PATCH v4 0/6] prevent QEMU from waking up needlessly, Stefano Stabellini, 2012/01/31
- [Qemu-devel] [PATCH v4 4/6] timers: the rearm function should be able to handle delta = INT64_MAX, Stefano Stabellini, 2012/01/31
- [Qemu-devel] [PATCH v4 2/6] xen: disable rtc_clock, Stefano Stabellini, 2012/01/31
- [Qemu-devel] [PATCH v4 6/6] qemu_calculate_timeout: increase minimum timeout to 1h, Stefano Stabellini, 2012/01/31
- [Qemu-devel] [PATCH v4 5/6] qemu_next_alarm_deadline: check the expire time of a clock only if it is enabled,
Stefano Stabellini <=
- [Qemu-devel] [PATCH v4 1/6] xen: do not initialize the interval timer and PCSPK emulator, Stefano Stabellini, 2012/01/31
- [Qemu-devel] [PATCH v4 3/6] xen: introduce an event channel for buffered io event notifications, Stefano Stabellini, 2012/01/31