File xen.trc-is_ioreq_server_page.patch of Package xen

From: Olaf Hering <olaf@aepfle.de>
Date: Thu, 15 Jun 2023 08:41:35 +0000
Subject: trc is_ioreq_server_page

Signed-off-by: Olaf Hering <olaf@aepfle.de>
---
 xen/common/ioreq.c | 6 ++++++
 1 file changed, 6 insertions(+)

--- a/xen/common/ioreq.c
+++ b/xen/common/ioreq.c
@@ -411,38 +411,44 @@ static void ioreq_server_free_mfn(struct ioreq_server *s, bool buf)
     unmap_domain_page_global(iorp->va);
     iorp->va = NULL;
 
     put_page_alloc_ref(page);
     put_page_and_type(page);
 }
 
 bool is_ioreq_server_page(struct domain *d, const struct page_info *page)
 {
     const struct ioreq_server *s;
     unsigned int id;
     bool found = false;
+    trc_is_ioreq_server_page_t trc = {
+        .d = d->domain_id,
+        .mfn = page ? mfn_x(page_to_mfn(page)) : 0,
+    };
 
     rspin_lock(&d->ioreq_server.lock);
 
     FOR_EACH_IOREQ_SERVER(d, id, s)
     {
         if ( (s->ioreq.page == page) || (s->bufioreq.page == page) )
         {
             found = true;
             break;
         }
     }
 
     rspin_unlock(&d->ioreq_server.lock);
 
+    trc.found = found;
+    TRACE_trc(TRC_IOREQ_is_ioreq_server_page);
     return found;
 }
 
 static void ioreq_server_update_evtchn(struct ioreq_server *s,
                                        struct ioreq_vcpu *sv)
 {
     ASSERT(spin_is_locked(&s->lock));
 
     if ( s->ioreq.va != NULL )
     {
         ioreq_t *p = get_ioreq(s, sv->vcpu);