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authorXuan Zhuo2022-08-01 14:39:01 +0800
committerMichael S. Tsirkin2022-08-11 04:25:22 -0400
commitebcce492636506443e4361db6587e6acd1a624f9 (patch)
tree34dcaa5f1b354eaa4177d862bb467dc8d87d3834 /block/partitions
parent6a4763e268030362340bc3286560d44be15a7421 (diff)
virtio_net: support tx queue resize
This patch implements the resize function of the tx queues. Based on this function, it is possible to modify the ring num of the queue. Inludes fixup: virtio_net: fix for stuck when change tx ring size with dev down When dev is set to DOWN state, napi has been disabled, if we modify the ring size at this time, we should not call napi_disable() again, which will cause stuck. And all operations are under the protection of rtnl_lock, so there is no need to consider concurrency issues. Message-Id: <20220801063902.129329-42-xuanzhuo@linux.alibaba.com> Acked-by: Jason Wang <jasowang@redhat.com> Message-Id: <20220811080258.79398-3-xuanzhuo@linux.alibaba.com> Reported-by: Kangjie Xu <kangjie.xu@linux.alibaba.com> Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'block/partitions')
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