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SubjectRe: [PATCH] virtio: Use pci_enable_msix_range() instead of pci_enable_msix()
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Alexander Gordeev <agordeev@redhat.com> writes:
> As result 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() and pci_enable_msix_range()
> interfaces.
>
> 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 | 8 +++-----
> 1 files changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
> index a416f9b..dea042c 100644
> --- a/drivers/virtio/virtio_pci.c
> +++ b/drivers/virtio/virtio_pci.c
> @@ -333,11 +333,9 @@ 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;
> - if (err)
> + err = pci_enable_msix_range(vp_dev->pci_dev,
> + vp_dev->msix_entries, nvectors, nvectors);
> + if (err < 0)
> goto error;
> vp_dev->msix_enabled = 1;

I've put this in my pending queue, but in case someone else wants to
take it:

Acked-by: Rusty Russell <rusty@rustcorp.com.au>

Cheers,
Rusty.



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