From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Gordeev Subject: [PATCH v3 5/7] vfio: Use new interfaces for MSI/MSI-X enablement Date: Fri, 10 Jan 2014 08:42:47 +0100 Message-ID: <20140110074247.GA4883@dhcp-26-207.brq.redhat.com> References: <1c2ab7cdd9f18f98ee86c73b182f4ee0697f7495.1389103215.git.agordeev@redhat.com> <1389119653.3209.124.camel@bling.home> <20140108074224.GA20157@dhcp-26-207.brq.redhat.com> <20140108075757.GB20157@dhcp-26-207.brq.redhat.com> <1389188753.3209.156.camel@bling.home> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-pci@vger.kernel.org To: Alex Williamson Return-path: Content-Disposition: inline In-Reply-To: <1389188753.3209.156.camel@bling.home> Sender: linux-pci-owner@vger.kernel.org List-Id: kvm.vger.kernel.org Signed-off-by: Alexander Gordeev --- 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@redhat.com