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[PATCH v5 05/11] tools/xenstored: Read event channel from xenstored page
- To: <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jason Andryuk <jason.andryuk@xxxxxxx>
- Date: Fri, 25 Jul 2025 19:58:52 -0400
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- Cc: Jason Andryuk <jason.andryuk@xxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>
- Delivery-date: Fri, 25 Jul 2025 23:59:45 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Make introduce_domain() use an event channel from the the xenstore page.
It is only used if non-zero. Otherwise the passed in event channel port
is used.
The is useful for a xenstored stubdom to configure domains autonomously.
Signed-off-by: Jason Andryuk <jason.andryuk@xxxxxxx>
Reviewed-by: Juergen Gross <jgross@xxxxxxxx>
---
v4:
R-b Juergen
v2:
Remove iface_port variable.
---
tools/xenstored/domain.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/xenstored/domain.c b/tools/xenstored/domain.c
index f119d714ac..1241f8c73e 100644
--- a/tools/xenstored/domain.c
+++ b/tools/xenstored/domain.c
@@ -1024,6 +1024,10 @@ static struct domain *introduce_domain(const void *ctx,
interface = map_interface(domid);
if (!interface && !restore)
return NULL;
+
+ if (interface->evtchn_port)
+ port = interface->evtchn_port;
+
if (new_domain(domain, port, restore)) {
rc = errno;
if (interface)
--
2.50.1
|
