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Message-ID: <20140110074247.GA4883@dhcp-26-207.brq.redhat.com>
Date: Fri, 10 Jan 2014 08:42:47 +0100
From: Alexander Gordeev <agordeev@...hat.com>
To: Alex Williamson <alex.williamson@...hat.com>
Cc: linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
linux-pci@...r.kernel.org
Subject: [PATCH v3 5/7] vfio: Use new interfaces for MSI/MSI-X enablement
Signed-off-by: Alexander Gordeev <agordeev@...hat.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
--
Regards,
Alexander Gordeev
agordeev@...hat.com
--
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