[dpdk-dev] [PATCH] net/virtio: fix kernel set memory table for multi-queue devices
Thierry Herbelot
thierry.herbelot at 6wind.com
Fri Apr 23 14:25:15 CEST 2021
Restore the original code, where VHOST_SET_MEM_TABLE is applied to
all vhostfds of the device.
Fixes: 539d910c9c768 ("net/virtio: add virtio-user memory tables ops")
Cc: stable at dpdk.org
Signed-off-by: Thierry Herbelot <thierry.herbelot at 6wind.com>
---
drivers/net/virtio/virtio_user/vhost_kernel.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c
index 58e66bb7b4ae..ad46f10a9300 100644
--- a/drivers/net/virtio/virtio_user/vhost_kernel.c
+++ b/drivers/net/virtio/virtio_user/vhost_kernel.c
@@ -206,6 +206,7 @@ add_memseg_list(const struct rte_memseg_list *msl, void *arg)
static int
vhost_kernel_set_memory_table(struct virtio_user_dev *dev)
{
+ uint32_t i;
struct vhost_kernel_data *data = dev->backend_data;
struct vhost_memory_kernel *vm;
int ret;
@@ -227,9 +228,14 @@ vhost_kernel_set_memory_table(struct virtio_user_dev *dev)
if (ret < 0)
goto err_free;
- ret = vhost_kernel_ioctl(data->vhostfds[0], VHOST_SET_MEM_TABLE, vm);
- if (ret < 0)
- goto err_free;
+ for (i = 0; i < dev->max_queue_pairs; ++i) {
+ if (data->vhostfds[i] < 0)
+ continue;
+
+ ret = vhost_kernel_ioctl(data->vhostfds[i], VHOST_SET_MEM_TABLE, vm);
+ if (ret < 0)
+ goto err_free;
+ }
free(vm);
--
2.29.2
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