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From: David Marchand <david.marchand@redhat.com>
To: dev@dpdk.org
Cc: stable@dpdk.org, Maxime Coquelin <maxime.coquelin@redhat.com>,
Chenbo Xia <chenbo.xia@intel.com>, Jianfeng Tan <jianfeng.tan@intel.com>
Date: Tue, 31 Aug 2021 17:54:11 +0200
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Subject: [dpdk-stable] [PATCH v2 2/2] net/virtio: fix virtio-user Rx
interrupts with multi queue
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The callfds[] array stores eventfds sequentially for Rx and Tx vq.
Fixes: 3d4fb6fd2505 ("net/virtio-user: support Rx interrupt")
Cc: stable@dpdk.org
Signed-off-by: David Marchand <david.marchand@redhat.com>
---
drivers/net/virtio/virtio_user/virtio_user_dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index 16c58710d7..89f8b2271f 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -416,7 +416,7 @@ virtio_user_fill_intr_handle(struct virtio_user_dev *dev)
}
for (i = 0; i < dev->max_queue_pairs; ++i)
- eth_dev->intr_handle->efds[i] = dev->callfds[i];
+ eth_dev->intr_handle->efds[i] = dev->callfds[2 * i];
eth_dev->intr_handle->nb_efd = dev->max_queue_pairs;
eth_dev->intr_handle->max_intr = dev->max_queue_pairs + 1;
eth_dev->intr_handle->type = RTE_INTR_HANDLE_VDEV;
--
2.23.0