Messages in this thread | | | Date | Sat, 22 Feb 2014 23:18:24 +0200 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH v2] virtio: Use pci_enable_msix_exact() instead of pci_enable_msix() |
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On Fri, Feb 21, 2014 at 06:01:28PM +0100, Alexander Gordeev wrote: > As result of deprecation of MSI-X/MSI enablement functions > pci_enable_msix() and pci_enable_msi_block() all drivers > using these two interfaces need to be updated to use the > new pci_enable_msi_range() or pci_enable_msi_exact() > and pci_enable_msix_range() or pci_enable_msix_exact() > interfaces.
Acked-by: Michael S. Tsirkin <mst@redhat.com>
> Signed-off-by: Alexander Gordeev <agordeev@redhat.com> > Cc: Rusty Russell <rusty@rustcorp.com.au> > Cc: "Michael S. Tsirkin" <mst@redhat.com> > Cc: virtio-dev@lists.oasis-open.org > Cc: virtualization@lists.linux-foundation.org > Cc: linux-pci@vger.kernel.org > --- > drivers/virtio/virtio_pci.c | 6 ++---- > 1 files changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c > index a416f9b..101db3f 100644 > --- a/drivers/virtio/virtio_pci.c > +++ b/drivers/virtio/virtio_pci.c > @@ -333,10 +333,8 @@ static int vp_request_msix_vectors(struct virtio_device *vdev, int nvectors, > for (i = 0; i < nvectors; ++i) > vp_dev->msix_entries[i].entry = i; > > - /* pci_enable_msix returns positive if we can't get this many. */ > - err = pci_enable_msix(vp_dev->pci_dev, vp_dev->msix_entries, nvectors); > - if (err > 0) > - err = -ENOSPC; > + err = pci_enable_msix_exact(vp_dev->pci_dev, > + vp_dev->msix_entries, nvectors); > if (err) > goto error; > vp_dev->msix_enabled = 1; > -- > 1.7.7.6 > > -- > Regards, > Alexander Gordeev > agordeev@redhat.com
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