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<p class="MsoNormal"><span style="font-size:11.0pt">Please ignore this version. Focal and Jammy have different
</span><span class="ui-provider">DEBUG_NET_WARN_ON_ONCE.</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">I will send v2. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Tim Gardner <tim.gardner@canonical.com><br>
<b>Date: </b>Wednesday, May 24, 2023 at 5:39 AM<br>
<b>To: </b>William Tu <witu@nvidia.com>, kernel-team@lists.ubuntu.com <kernel-team@lists.ubuntu.com><br>
<b>Cc: </b>dann.frazier@canonical.com <dann.frazier@canonical.com>, Paul Blakey <paulb@nvidia.com>, Vladimir Sokolovsky <vlad@nvidia.com>, Bodong Wang <bodong@nvidia.com>, Chris Mi <cmi@nvidia.com><br>
<b>Subject: </b>ACK: [SRU][F, J:linux-bluefield][PATCH 0/1] net: openvswitch: fix race on port output<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:11.0pt">External email: Use caution opening links or attachments<br>
<br>
<br>
On 5/23/23 8:48 PM, William Tu wrote:<br>
> BugLink: <a href="https://bugs.launchpad.net/bugs/2020606">https://bugs.launchpad.net/bugs/2020606</a><br>
><br>
> fix race on port output<br>
><br>
> * Explain the bug(s)<br>
><br>
> there is a race condition on port output<br>
><br>
> * brief explanation of fixes<br>
><br>
> We found that upstream linux has the same issue and fix<br>
> commit 066b86787fa3d97b7aefb5ac0a99a22dad2d15f8<br>
> net: openvswitch: fix race on port output<br>
><br>
> * How to test<br>
> After configuring QoS on BF-3:<br>
> Disable all priorities<br>
> Set priorities [0, 0, 0, 0, 0, 0, 0, 0]<br>
> Remove all policies<br>
> Remove all traffic classes<br>
> Add policy (policy_name=ND_traffic, traffic_type=RDMA, priority=5, port=20000, dscp=None)<br>
> Add policy (policy_name=TCP_traffic, traffic_type=TCP, priority=4, port=26000, dscp=None)<br>
> Add traffic class two prio TC with prio_list=[5, 4], min_bw=76, algorithm=ETS<br>
> Enable QOS on adapter SLOT 5 Port 1<br>
> Restart driver (detach VFs -> restart with devcon -> attach VFs)<br>
><br>
> BF-3 sometimes stops responding. need to run it multiple times!<br>
><br>
><br>
> Felix Huettner (1):<br>
> net: openvswitch: fix race on port output<br>
><br>
> net/core/dev.c | 1 +<br>
> net/openvswitch/actions.c | 2 +-<br>
> 2 files changed, 2 insertions(+), 1 deletion(-)<br>
><br>
Acked-by: Tim Gardner <tim.gardner@canonical.com><br>
--<br>
-----------<br>
Tim Gardner<br>
Canonical, Inc<o:p></o:p></span></p>
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