Messages in this thread Patch in this message | | | From | Haiyang Zhang <> | Subject | [PATCH net-next] hv_netvsc: Fix the real number of queues of non-vRSS cases | Date | Fri, 22 Sep 2017 15:31:38 -0700 |
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From: Haiyang Zhang <haiyangz@microsoft.com>
For older hosts without multi-channel (vRSS) support, and some error cases, we still need to set the real number of queues to one. This patch adds this missing setting.
Fixes: 8195b1396ec8 ("hv_netvsc: fix deadlock on hotplug") Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> --- drivers/net/hyperv/netvsc_drv.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index d4902ee5f260..68eac12fbf75 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -1929,6 +1929,12 @@ static int netvsc_probe(struct hv_device *dev, /* We always need headroom for rndis header */ net->needed_headroom = RNDIS_AND_PPI_SIZE; + /* Initialize the number of queues to be 1, we may change it if more + * channels are offered later. + */ + netif_set_real_num_tx_queues(net, 1); + netif_set_real_num_rx_queues(net, 1); + /* Notify the netvsc driver of the new device */ memset(&device_info, 0, sizeof(device_info)); device_info.ring_size = ring_size; -- 2.14.1
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