[xen master] tools/helpers: allocate xenstore event channel for xenstore stubdom

[patchbot@xxxxxxx]

commit 9c076988fe5f9d55a0ecb846549bdbdfddcf3841
Author:     Juergen Gross <jgross@xxxxxxxx>
AuthorDate: Mon Feb 5 11:49:46 2024 +0100
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Mon Feb 5 19:26:32 2024 +0000

    tools/helpers: allocate xenstore event channel for xenstore stubdom
    
    In order to prepare support of PV frontends in xenstore-stubdom, add
    allocation of a Xenstore event channel to init-xenstore-domain.c.
    
    Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
    Reviewed-by: Jason Andryuk <jandryuk@xxxxxxxxx>
---
 tools/helpers/init-xenstore-domain.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/helpers/init-xenstore-domain.c 
b/tools/helpers/init-xenstore-domain.c
index b2d5df8ba5..140ed610ae 100644
--- a/tools/helpers/init-xenstore-domain.c
+++ b/tools/helpers/init-xenstore-domain.c
@@ -248,6 +248,13 @@ static int build(xc_interface *xch)
     dom->cmdline = xc_dom_strdup(dom, cmdline);
     dom->xenstore_domid = domid;
     dom->console_evtchn = console_evtchn;
+    rv = xc_evtchn_alloc_unbound(xch, domid, domid);
+    if ( rv < 0 )
+    {
+        fprintf(stderr, "xc_evtchn_alloc_unbound failed\n");
+        goto err;
+    }
+    dom->xenstore_evtchn = rv;
 
     rv = xc_dom_mem_init(dom, memory);
     if ( rv )
--
generated by git-patchbot for /home/xen/git/xen.git#master