From: Zhu Lingshan <lingshan.zhu@intel.com>
To: mst@redhat.com, jasowang@redhat.com
Cc: Cindy Lu <lulu@redhat.com>, virtualization@lists.linux-foundation.org
Subject: [PATCH] vp_vdpa: synchronize irq when free irq
Date: Fri, 30 Jun 2023 18:36:56 +0800 [thread overview]
Message-ID: <20230630103656.345870-1-lingshan.zhu@intel.com> (raw)
This commits synchronizes irqs when free them
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Tested-by: Cindy Lu <lulu@redhat.com>
---
drivers/vdpa/virtio_pci/vp_vdpa.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c
index 281287fae89f..d8ee3e68cd2d 100644
--- a/drivers/vdpa/virtio_pci/vp_vdpa.c
+++ b/drivers/vdpa/virtio_pci/vp_vdpa.c
@@ -116,6 +116,7 @@ static void vp_vdpa_free_irq(struct vp_vdpa *vp_vdpa)
for (i = 0; i < vp_vdpa->queues; i++) {
if (vp_vdpa->vring[i].irq != VIRTIO_MSI_NO_VECTOR) {
vp_modern_queue_vector(mdev, i, VIRTIO_MSI_NO_VECTOR);
+ synchronize_irq(vp_vdpa->vring[i].irq);
devm_free_irq(&pdev->dev, vp_vdpa->vring[i].irq,
&vp_vdpa->vring[i]);
vp_vdpa->vring[i].irq = VIRTIO_MSI_NO_VECTOR;
@@ -124,6 +125,7 @@ static void vp_vdpa_free_irq(struct vp_vdpa *vp_vdpa)
if (vp_vdpa->config_irq != VIRTIO_MSI_NO_VECTOR) {
vp_modern_config_vector(mdev, VIRTIO_MSI_NO_VECTOR);
+ synchronize_irq(vp_vdpa->config_irq);
devm_free_irq(&pdev->dev, vp_vdpa->config_irq, vp_vdpa);
vp_vdpa->config_irq = VIRTIO_MSI_NO_VECTOR;
}
--
2.39.3
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next reply other threads:[~2023-06-30 2:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-30 10:36 Zhu Lingshan [this message]
2023-06-30 8:02 ` [PATCH] vp_vdpa: synchronize irq when free irq Jason Wang
2023-06-30 9:05 ` Zhu, Lingshan
2023-06-30 8:34 ` Michael S. Tsirkin
2023-06-30 9:04 ` Zhu, Lingshan
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