NAK: [PATCH][SRU][focal:linux-azure] hv_netvsc: Fix race between VF offering and VF association message from host
Stefan Bader
stefan.bader at canonical.com
Thu Nov 10 13:19:43 UTC 2022
On 10.11.22 14:15, Tim Gardner wrote:
> On 11/10/22 1:12 AM, Stefan Bader wrote:
>> On 09.11.22 17:02, Tim Gardner wrote:
>>> BugLink: https://bugs.launchpad.net/bugs/1994974
>>>
>>> SRU Justification
>>>
>>> [Impact]
>>>
>>> During vm boot, there might be possibility that vf registration call comes
>>> before the vf association from host to vm.
>>>
>>> And this might break netvsc vf path, this is in order to prevent the same
>>> block vf registration until vf bind message comes from host.
>>>
>>> [Test Plan]
>>>
>>> Microsoft tested. Positive result.
>>>
>>> [Where things could go wrong]
>>>
>>> The 5.4 backport patch could hang waiting for a VF addition to complete.
>>>
>>> [Other Info]
>>>
>>> SF: #00347129
>>>
>>>
>>
>> Now what about "[PATCH 0/3][f/j/k linux-azure] Azure: hv_netvsc: Fix race
>> between VF offering and VF association message from host" from Nov-27?
>>
>> -Stefan
>
> You're correct. This is a duplicate. I wish we had a better way then email to
> manage patch submissions.
Not sure why only I seem to have found a way to organize email. But you might
also check out this:
https://warthogs.atlassian.net/jira/software/c/projects/KERN/boards/394
>
-Stefan
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