Public bug reported:
The user mode may call hvnd_query_gid multiple times, and from multiple
user contexts at the same time. If it's already bound, return GID and do
not wait.
This patch will not go upstream, because it's for Azure ND Infiniband.
Due to this, the patch should be applied as SAUCE.
The patch is needed in linux-azure for 16.04 and 18.04. It is also
being requested in the 4.18 azure based kernel.
The patch is attached to this email. Do you want and SRU request sent
to the mailing list as well or is just attaching it here suffice?
** Affects: linux-azure (Ubuntu)
Importance: Undecided
Status: New
** Attachment added:
"0001-PATCH-Don-t-wait-in-hvnd_query_gid-after-interface-i.patch"
https://bugs.launchpad.net/bugs/1812428/+attachment/5230408/+files/0001-PATCH-Don-t-wait-in-hvnd_query_gid-after-interface-i.patch
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https://bugs.launchpad.net/bugs/1812428
Title:
[linux-azure] Don't wait in hvnd_query_gid after interface is already
bound to ND
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