[xen staging] xen/domain: Initialise the domain handle before inserting into the domlist

[patchbot@xxxxxxx]

commit 1ce968d96064d71099bed11992e9e2b40f0a5cb1
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Fri Mar 7 16:38:26 2025 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Mon Mar 10 15:05:09 2025 +0000

    xen/domain: Initialise the domain handle before inserting into the domlist
    
    As soon as the the domain is in the domlist, it can be queried via various
    means, ahead of being fully constructed.  Ensure it has the toolstack-given
    UUID prior to becoming visible.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/common/domain.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/common/domain.c b/xen/common/domain.c
index fd98534c88..585fd726a9 100644
--- a/xen/common/domain.c
+++ b/xen/common/domain.c
@@ -901,6 +901,8 @@ struct domain *domain_create(domid_t domid,
      */
     ASSERT(config);
 
+    memcpy(d->handle, config->handle, sizeof(d->handle));
+
 #ifdef CONFIG_HAS_PIRQ
     if ( !is_hardware_domain(d) )
         d->nr_pirqs = nr_static_irqs + extra_domU_irqs;
@@ -962,7 +964,6 @@ struct domain *domain_create(domid_t domid,
     domlist_insert(d);
 
     domain_changed_state(d);
-    memcpy(d->handle, config->handle, sizeof(d->handle));
 
     return d;
 
--
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