Commit 74beaf62 authored by Konrad Rzeszutek Wilk's avatar Konrad Rzeszutek Wilk Committed by David Vrabel

xen/pciback: Don't print scary messages when unsupported by hypervisor.

We print at the warninig level messages such as:
pciback 0000:90:00.5: MSI-X preparation failed (-38)

which is due to the hypervisor not supporting this sub-hypercall
(which was added in Xen 4.3).

Instead of having scary messages all the time - only have it
when the hypercall is actually supported.
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: default avatarDavid Vrabel <david.vrabel@citrix.com>
parent 526abeae
......@@ -118,7 +118,7 @@ static void pcistub_device_release(struct kref *kref)
int err = HYPERVISOR_physdev_op(PHYSDEVOP_release_msix,
&ppdev);
if (err)
if (err && err != -ENOSYS)
dev_warn(&dev->dev, "MSI-X release failed (%d)\n",
err);
}
......@@ -402,7 +402,7 @@ static int pcistub_init_device(struct pci_dev *dev)
};
err = HYPERVISOR_physdev_op(PHYSDEVOP_prepare_msix, &ppdev);
if (err)
if (err && err != -ENOSYS)
dev_err(&dev->dev, "MSI-X preparation failed (%d)\n",
err);
}
......
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