File xen.trc-ioreq_server_create.patch of Package xen

From: Olaf Hering <olaf@aepfle.de>
Date: Thu, 15 Jun 2023 08:42:59 +0000
Subject: trc ioreq_server_create

Signed-off-by: Olaf Hering <olaf@aepfle.de>
---
 xen/common/ioreq.c | 14 ++++++---
 1 file changed, 10 insertions(+), 4 deletions(-)

--- a/xen/common/ioreq.c
+++ b/xen/common/ioreq.c
@@ -792,24 +792,28 @@ static void ioreq_server_deinit(struct ioreq_server *s)
 
     ioreq_server_free_rangesets(s);
 
     put_domain(s->emulator);
 }
 
 static int ioreq_server_create(struct domain *d, int bufioreq_handling,
                                ioservid_t *id)
 {
     struct ioreq_server *s;
     unsigned int i;
     int rc;
+    trc_ioreq_server_create_t trc = {
+        .d = d->domain_id,
+        .id = ~0,
+    };
 
     if ( !IS_ENABLED(CONFIG_X86) && bufioreq_handling )
         return -EINVAL;
 
     if ( bufioreq_handling > HVM_IOREQSRV_BUFIOREQ_ATOMIC )
         return -EINVAL;
 
     s = xzalloc(struct ioreq_server);
     if ( !s )
         return -ENOMEM;
 
     domain_pause(d);
@@ -833,33 +837,35 @@ static int ioreq_server_create(struct domain *d, int bufioreq_handling,
 
     rc = ioreq_server_init(s, d, bufioreq_handling, i);
     if ( rc )
     {
         set_ioreq_server(d, i, NULL);
         goto fail;
     }
 
     if ( id )
         *id = i;
 
     rspin_unlock(&d->ioreq_server.lock);
-    domain_unpause(d);
-
-    return 0;
+    trc.id = i;
+    goto out;
 
  fail:
     rspin_unlock(&d->ioreq_server.lock);
-    domain_unpause(d);
 
     xfree(s);
+out:
+    TRACE_trc(TRC_IOREQ_ioreq_server_create);
+    domain_unpause(d);
+
     return rc;
 }
 
 static int ioreq_server_destroy(struct domain *d, ioservid_t id)
 {
     struct ioreq_server *s;
     int rc;
 
     rspin_lock(&d->ioreq_server.lock);
 
     s = get_ioreq_server(d, id);