| Message ID | 1559284268-8280-1-git-send-email-chenbaodong@mxnavi.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | xen: schedule: initialize 'now' when really needed | expand |
On Fri, 2019-05-31 at 14:31 +0800, Baodong Chen wrote: > when 'periodic_period' is zero, there is no need to initialize 'now'. > > Signed-off-by: Baodong Chen <chenbaodong@mxnavi.com> > --- > xen/common/schedule.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > Acked-by: Dario Faggioli <dfaggioli@suse.com> Regards
diff --git a/xen/common/schedule.c b/xen/common/schedule.c index 66f1e26..86341bc 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 )
when 'periodic_period' is zero, there is no need to initialize 'now'. Signed-off-by: Baodong Chen <chenbaodong@mxnavi.com> --- xen/common/schedule.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)