[xen staging] xen/domain: Call pci_release_devices() when releasing domain resources

[patchbot@xxxxxxx]

commit d4c9845e52cbb3cd62172809f62ee51dbb3ca7de
Author:     Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
AuthorDate: Fri Oct 8 08:55:30 2021 +0300
Commit:     Stefano Stabellini <stefano.stabellini@xxxxxxxxxx>
CommitDate: Fri Oct 8 15:50:55 2021 -0700

    xen/domain: Call pci_release_devices() when releasing domain resources
    
    This is the very same that we already do for DT devices. Moreover, x86
    already calls pci_release_devices().
    
    Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>
    Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
    Reviewed-by: Rahul Singh <rahul.singh@xxxxxxx>
    Tested-by: Rahul Singh <rahul.singh@xxxxxxx>
---
 xen/arch/arm/domain.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
index 36138c1b2e..aae4472479 100644
--- a/xen/arch/arm/domain.c
+++ b/xen/arch/arm/domain.c
@@ -981,7 +981,8 @@ static int relinquish_memory(struct domain *d, struct 
page_list_head *list)
  * function which may return -ERESTART.
  */
 enum {
-    PROG_tee = 1,
+    PROG_pci = 1,
+    PROG_tee,
     PROG_xen,
     PROG_page,
     PROG_mapping,
@@ -1018,6 +1019,12 @@ int domain_relinquish_resources(struct domain *d)
 #ifdef CONFIG_IOREQ_SERVER
         ioreq_server_destroy_all(d);
 #endif
+#ifdef CONFIG_HAS_PCI
+    PROGRESS(pci):
+        ret = pci_release_devices(d);
+        if ( ret )
+            return ret;
+#endif
 
     PROGRESS(tee):
         ret = tee_relinquish_resources(d);
--
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