From d831d8a73b18e5645c5232938cd4f87c95268f64 Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Thu, 15 Apr 2021 03:31:43 -0400 Subject: [PATCH] vp_vdpa: switch to use vp_modern_map_vq_notify() stable inclusion from stable-v5.13 commit 11d8ffed00b231356008b35a3b0bc192e42333fa category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I5WXCZ CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=11d8ffed00b231356008b35a3b0bc192e42333fa ---------------------------------------------------------------------- This patch switches to use vp_vdpa to use vp_modern_map_notify(). Signed-off-by: Jason Wang Link: https://lore.kernel.org/r/20210415073147.19331-4-jasowang@redhat.com Signed-off-by: Michael S. Tsirkin Reviewed-by: Eli Cohen Signed-off-by: Pengyuan Zhao --- drivers/vdpa/virtio_pci/vp_vdpa.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index dc27ec970884..a9ba4d6a27a2 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -377,7 +377,6 @@ static int vp_vdpa_probe(struct pci_dev *pdev, const struct pci_device_id *id) struct virtio_pci_modern_device *mdev; struct device *dev = &pdev->dev; struct vp_vdpa *vp_vdpa; - u16 notify_off; int ret, i; ret = pcim_enable_device(pdev); @@ -423,10 +422,12 @@ static int vp_vdpa_probe(struct pci_dev *pdev, const struct pci_device_id *id) } for (i = 0; i < vp_vdpa->queues; i++) { - notify_off = vp_modern_get_queue_notify_off(mdev, i); vp_vdpa->vring[i].irq = VIRTIO_MSI_NO_VECTOR; - vp_vdpa->vring[i].notify = mdev->notify_base + - notify_off * mdev->notify_offset_multiplier; + vp_vdpa->vring[i].notify = vp_modern_map_vq_notify(mdev, i); + if (!vp_vdpa->vring[i].notify) { + dev_warn(&pdev->dev, "Fail to map vq notify %d\n", i); + goto err; + } } vp_vdpa->config_irq = VIRTIO_MSI_NO_VECTOR; -- GitLab