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Subject[PATCH v2 7/9] vfio: Use pci_enable_msi_range() and pci_enable_msix_range()
Date
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>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
---
drivers/vfio/pci/vfio_pci_intrs.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index 641bc87..4a9db1d 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -482,15 +482,19 @@ static int vfio_msi_enable(struct vfio_pci_device *vdev, int nvec, bool msix)
for (i = 0; i < nvec; i++)
vdev->msix[i].entry = i;

- ret = pci_enable_msix(pdev, vdev->msix, nvec);
- if (ret) {
+ ret = pci_enable_msix_range(pdev, vdev->msix, 1, nvec);
+ if (ret < nvec) {
+ if (ret > 0)
+ pci_disable_msix(pdev);
kfree(vdev->msix);
kfree(vdev->ctx);
return ret;
}
} else {
- ret = pci_enable_msi_block(pdev, nvec);
- if (ret) {
+ ret = pci_enable_msi_range(pdev, 1, nvec);
+ if (ret < nvec) {
+ if (ret > 0)
+ pci_disable_msi(pdev);
kfree(vdev->ctx);
return ret;
}
--
1.7.7.6


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