linux-kernel - [PATCH v5 4/6] xen/pciback: Include the domain id if removing the device whilst still in use

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Date:	Mon, 14 Jul 2014 12:18:54 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	gregkh@...uxfoundation.org, xen-devel@...ts.xenproject.org,
	linux-kernel@...r.kernel.org, boris.ostrovsky@...cle.com,
	david.vrabel@...rix.com
Cc:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [PATCH v5 4/6] xen/pciback: Include the domain id if removing the device whilst still in use

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

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

diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c
index f9bf793..121c725 100644
--- a/drivers/xen/xen-pciback/pci_stub.c
+++ b/drivers/xen/xen-pciback/pci_stub.c
@@ -553,12 +553,14 @@ 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");
-- 
1.9.3

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