diff options
| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2015-02-27 22:11:06 +0100 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2015-03-16 15:49:14 +0100 |
| commit | 74beaf6270f5b08159f1df8208322a24bb2905e6 (patch) | |
| tree | 2eec6a83e56f76dfa653ae76c611916ccb844af6 | |
| parent | xen: use generated hypercall symbols in arch/x86/xen/xen-head.S (diff) | |
| download | linux-74beaf6270f5b08159f1df8208322a24bb2905e6.tar.xz linux-74beaf6270f5b08159f1df8208322a24bb2905e6.zip | |
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: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
| -rw-r--r-- | drivers/xen/xen-pciback/pci_stub.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index cc3cbb4435f8..258b7c325649 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -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); } |