[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 08:12:22 UTC 2022


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
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