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Subject[PATCH 5/5] net/hyperv: Use netif_tx_disable() instead of netif_stop_queue() when necessary
Date
For code path not on the xmit, use netif_tx_disable() instead of
netif_stop_queue() to ensure other CPUs are not doing xmit.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>

---
drivers/net/hyperv/netvsc_drv.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index cf5716b..3385566 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -123,7 +123,7 @@ static int netvsc_close(struct net_device *net)
struct hv_device *device_obj = net_device_ctx->device_ctx;
int ret;

- netif_stop_queue(net);
+ netif_tx_disable(net);

ret = rndis_filter_close(device_obj);
if (ret != 0)
@@ -256,7 +256,7 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj,
schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20));
} else {
netif_carrier_off(net);
- netif_stop_queue(net);
+ netif_tx_disable(net);
}
}

@@ -334,7 +334,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu)

nvdev->start_remove = true;
cancel_delayed_work_sync(&ndevctx->dwork);
- netif_stop_queue(ndev);
+ netif_tx_disable(ndev);
rndis_filter_device_remove(hdev);

ndev->mtu = mtu;
@@ -457,7 +457,7 @@ static int netvsc_remove(struct hv_device *dev)
cancel_delayed_work_sync(&ndev_ctx->dwork);

/* Stop outbound asap */
- netif_stop_queue(net);
+ netif_tx_disable(net);

unregister_netdev(net);

--
1.7.7


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