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.
SRU Justification
[Impact]
https:/ /patchwork. kernel. org/project/ netdevbpf/ patch<email address hidden>/
Performance is impacted when multiple TX queues are enabled.
[Fix] 0cd8526465426c5 c5f8377ee0 ("veth: Do not record rx queue hint in veth_xmit")
commit 710ad98c363a66a
This patch is already scheduled for release in these stable kernel versions:
linux-5. 10.y.txt: 5f76445a31b79be 85b337cce5f35af fb77cc18fc veth: Do not record rx queue hint in veth_xmit 15.y.txt: 78a19e506bdcd1b fff73523ec99190 794e0af39c veth: Do not record rx queue hint in veth_xmit 16.y.txt: bf8963ea39ecfd1 bddc657a81f1d65 7b43c950e8 veth: Do not record rx queue hint in veth_xmit 4.y.txt: d08a0a88db88462 bdf1b2df33ded23 269b832afc veth: Do not record rx queue hint in veth_xmit
linux-5.
linux-5.
linux-5.
[Where things could go wrong]
Transmit performance could be impacted in other ways.
[Other Info]
SF: #00326544