[v2,2/2] examples/vhost: unconfigure DMA vchannel
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Commit Message
From: Xuan Ding <xuan.ding@intel.com>
This patch applies rte_vhost_async_dma_unconfigure() API
to manually free 'dma_copy_track' array instead of waiting
until the program ends to be released.
Signed-off-by: Xuan Ding <xuan.ding@intel.com>
---
examples/vhost/main.c | 7 +++++++
1 file changed, 7 insertions(+)
@@ -1624,6 +1624,13 @@ destroy_device(int vid)
dma_bind[vid].dmas[VIRTIO_TXQ].async_enabled = false;
}
+ for (i = 0; i < dma_count; i++) {
+ if (rte_vhost_async_dma_unconfigure(dmas_id[i], 0) < 0) {
+ RTE_LOG(ERR, VHOST_PORT, "Failed to unconfigure DMA in vhost.\n");
+ rte_exit(EXIT_FAILURE, "Cannot use given DMA device\n");
+ }
+ }
+
rte_free(vdev);
}