diff mbox series

[RFC,06/10] xen: pci: print reference counter when dumping pci_devs

Message ID 20220831141040.13231-7-volodymyr_babchuk@epam.com (mailing list archive)
State New, archived
Headers show
Series Rework PCI locking | expand

Commit Message

Volodymyr Babchuk Aug. 31, 2022, 2:11 p.m. UTC 
This can be handy during new reference counter approach evaluation.

Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com>
---
 xen/drivers/passthrough/pci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/xen/drivers/passthrough/pci.c b/xen/drivers/passthrough/pci.c
index a6c6368769..c8da80b981 100644
--- a/xen/drivers/passthrough/pci.c
+++ b/xen/drivers/passthrough/pci.c
@@ -1381,7 +1381,8 @@  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,
+               atomic_read(&pdev->refcnt));
         pdev_dump_msi(pdev);
         printk("\n");
     }