From 8be9df6d4b6b53112abb078cb58827767471d797 Mon Sep 17 00:00:00 2001 From: Konrad Rzeszutek Wilk Date: Tue, 3 Dec 2013 21:47:37 -0500 Subject: xen-pciback: Document when we FLR an PCI device. When the toolstack wants us to drop or add an PCI device it changes the XenBus state to Configuring - and as result of that we find out which devices we should still be exporting out and which ones not. For the ones we don't need anymore we need to do an PCI reset so that it is ready for the next guest. Signed-off-by: Konrad Rzeszutek Wilk Reviewed-by: David Vrabel --- drivers/xen/xen-pciback/pci_stub.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/xen/xen-pciback/pci_stub.c') diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index 36dd4f3..b84426a 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -551,6 +551,8 @@ static void pcistub_remove(struct pci_dev *dev) pr_warn("****** shutdown driver domain before binding device\n"); pr_warn("****** to other drivers or domains\n"); + /* N.B. This ends up calling pcistub_put_pci_dev which ends up + * doing the FLR. */ xen_pcibk_release_pci_dev(found_psdev->pdev, found_psdev->dev); } -- cgit v1.1