[dpdk-dev] [PATCH] net/virtio: allocate vrings on device NUMA node
Maxime Coquelin
maxime.coquelin at redhat.com
Tue Nov 27 15:27:47 CET 2018
On 11/27/18 2:29 PM, David Marchand wrote:
> On Tue, Nov 27, 2018 at 11:54 AM Maxime Coquelin
> <maxime.coquelin at redhat.com <mailto:maxime.coquelin at redhat.com>> wrote:
>
> When a guest is spanned on multiple NUMA nodes and
> multiple Virtio devices are spanned onto these nodes,
> we expect that their ring memory is allocated in the
> right memory node.
>
> Signed-off-by: Maxime Coquelin <maxime.coquelin at redhat.com
> <mailto:maxime.coquelin at redhat.com>>
> ---
> drivers/net/virtio/virtio_ethdev.c | 12 +++++++-----
> 1 file changed, 7 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c
> b/drivers/net/virtio/virtio_ethdev.c
> index 2ba66d291..d99571d93 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -335,8 +335,10 @@ virtio_init_queue(struct rte_eth_dev *dev,
> uint16_t vtpci_queue_idx)
> void *sw_ring = NULL;
> int queue_type = virtio_get_queue_type(hw, vtpci_queue_idx);
> int ret;
> + int numa_node = dev->device->numa_node;
>
> - PMD_INIT_LOG(DEBUG, "setting up queue: %u", vtpci_queue_idx);
> + PMD_INIT_LOG(INFO, "setting up queue: %u on NUMA node %u",
>
>
> %d ?
Right, thanks for spotting it.
Maxime
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