From 00aee8b3fc21caea807d7e0a64d88b2b3437e3d3 Mon Sep 17 00:00:00 2001 From: Baodong Chen Date: Mon, 3 Jun 2019 17:15:44 +0200 Subject: [PATCH] schedule: initialize 'now' when really needed when 'periodic_period' is zero, there is no need to initialize 'now'. Signed-off-by: Baodong Chen Acked-by: Dario Faggioli --- xen/common/schedule.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/xen/common/schedule.c b/xen/common/schedule.c index 66f1e2611b..86341bc8fb 100644 --- a/xen/common/schedule.c +++ b/xen/common/schedule.c @@ -1385,12 +1385,13 @@ long sched_adjust_global(struct xen_sysctl_scheduler_op *op) static void vcpu_periodic_timer_work(struct vcpu *v) { - s_time_t now = NOW(); + s_time_t now; s_time_t periodic_next_event; if ( v->periodic_period == 0 ) return; + now = NOW(); periodic_next_event = v->periodic_last_event + v->periodic_period; if ( now >= periodic_next_event ) -- 2.39.5