[PATCH v3 6/6] xen: pci: print reference counter when dumping pci_devs

[Volodymyr Babchuk]

This can be handy during new reference counter approach evaluation.

Signed-off-by: Volodymyr Babchuk <volodymyr_babc...@epam.com>

---

v3:
 - Moved from another patch series
---
 xen/drivers/passthrough/pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/xen/drivers/passthrough/pci.c b/xen/drivers/passthrough/pci.c
index b32382aca0..1eb79e7d01 100644
--- a/xen/drivers/passthrough/pci.c
+++ b/xen/drivers/passthrough/pci.c
@@ -1275,7 +1275,8 @@ static int cf_check _dump_pci_devices(struct pci_seg 
*pseg, void *arg)
         else
 #endif
             printk("%pd", pdev->domain);
-        printk(" - node %-3d", (pdev->node != NUMA_NO_NODE) ? pdev->node : -1);
+        printk(" - node %-3d refcnt %d", (pdev->node != NUMA_NO_NODE) ? 
pdev->node : -1,
+               refcnt_read(&pdev->refcnt));
         pdev_dump_msi(pdev);
         printk("\n");
     }
-- 
2.39.2