Comment 0 for bug 1958155

SRU Justification

[Impact]

https://patchwork.kernel.org/project/netdevbpf/patch<email address hidden>/

Performance is impacted when multiple TX queues are enabled.

[Fix]
commit 710ad98c363a66a0cd8526465426c5c5f8377ee0 ("veth: Do not record rx queue hint in veth_xmit")

This patch is already scheduled for release in these stable kernel versions:

linux-5.10.y.txt:5f76445a31b79be85b337cce5f35affb77cc18fc veth: Do not record rx queue hint in veth_xmit
linux-5.15.y.txt:78a19e506bdcd1bfff73523ec99190794e0af39c veth: Do not record rx queue hint in veth_xmit
linux-5.16.y.txt:bf8963ea39ecfd1bddc657a81f1d657b43c950e8 veth: Do not record rx queue hint in veth_xmit
linux-5.4.y.txt:d08a0a88db88462bdf1b2df33ded23269b832afc veth: Do not record rx queue hint in veth_xmit

[Where things could go wrong]

Transmit performance could be impacted in other ways.

[Other Info]

SF: #00326544