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[PATCH] arinc653: remove idle period in default schedule
- To: <xen-devel@xxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
- Date: Wed, 25 Mar 2026 22:19:09 -0400
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- Cc: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>, Nathan Studer <nathan.studer@xxxxxxxxxxxxxxx>, Dario Faggioli <dfaggioli@xxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, George Dunlap <gwd@xxxxxxxxxxxxxx>, "Jan Beulich" <jbeulich@xxxxxxxx>
- Delivery-date: Thu, 26 Mar 2026 02:19:43 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
By initializing major_frame in a653sched_init(), an idle period was
inadvertently introduced into the default schedule. Account for the
initial value of major_frame when populating the default schedule.
Fixes: f2927d8343ae ("xen/arinc653: fix delay in the start of major frame")
Signed-off-by: Stewart Hildebrand <stewart.hildebrand@xxxxxxx>
---
xen/common/sched/arinc653.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/xen/common/sched/arinc653.c b/xen/common/sched/arinc653.c
index 8a4f4259d8b3..b709bcfcc8a4 100644
--- a/xen/common/sched/arinc653.c
+++ b/xen/common/sched/arinc653.c
@@ -425,7 +425,8 @@ a653sched_alloc_udata(const struct scheduler *ops, struct
sched_unit *unit,
sched_priv->schedule[entry].runtime = DEFAULT_TIMESLICE;
sched_priv->schedule[entry].unit = unit;
- sched_priv->major_frame += DEFAULT_TIMESLICE;
+ if ( entry )
+ sched_priv->major_frame += DEFAULT_TIMESLICE;
++sched_priv->num_schedule_entries;
}
}
base-commit: 5ebd4dd14118e4eb24f1d409a7ca3773f77e7e41
--
2.53.0
|
