[PATCH AUTOSEL 5.10 37/43] xen: flag pvcalls-front to be not essential for system boot

[Sasha Levin <sashal@xxxxxxxxxx>]

From: Juergen Gross <jgross@xxxxxxxx>

[ Upstream commit 03e143b2acebe23c893f22ebed9abc0fe2a7f27e ]

The Xen pvcalls device is not essential for booting. Set the respective
flag.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20211022064800.14978-5-jgross@xxxxxxxx
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/xen/pvcalls-front.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c
index 7984645b59563..3c9ae156b597f 100644
--- a/drivers/xen/pvcalls-front.c
+++ b/drivers/xen/pvcalls-front.c
@@ -1275,6 +1275,7 @@ static struct xenbus_driver pvcalls_front_driver = {
        .probe = pvcalls_front_probe,
        .remove = pvcalls_front_remove,
        .otherend_changed = pvcalls_front_changed,
+       .not_essential = true,
 };
 
 static int __init pvcalls_frontend_init(void)
-- 
2.33.0