[PATCH v4 3/5] xen/pciback: Include the domain id if removing the device whilst still in use

From: konrad
Date: Fri Jul 11 2014 - 15:10:26 EST

From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Cleanup the function a bit - also include the id of the
domain that is using the device.

Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
drivers/xen/xen-pciback/pci_stub.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c
index eebbb41..efcb73b 100644
--- a/drivers/xen/xen-pciback/pci_stub.c
+++ b/drivers/xen/xen-pciback/pci_stub.c
@@ -552,12 +552,14 @@ static void pcistub_remove(struct pci_dev *dev)
spin_unlock_irqrestore(&pcistub_devices_lock, flags);

if (found_psdev) {
- dev_dbg(&dev->dev, "found device to remove - in use? %p\n",
- found_psdev->pdev);
+ dev_dbg(&dev->dev, "found device to remove %s\n",
+ found_psdev->pdev ? "- in-use" : "");

if (found_psdev->pdev) {
- pr_warn("****** removing device %s while still in-use! ******\n",
- pci_name(found_psdev->dev));
+ int domid = xen_find_device_domain_owner(dev);
+ pr_warn("****** removing device %s while still in-use by domain %d! ******\n",
+ pci_name(found_psdev->dev), domid);
pr_warn("****** driver domain may still access this device's i/o resources!\n");
pr_warn("****** shutdown driver domain before binding device\n");
pr_warn("****** to other drivers or domains\n");

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