This bug is awaiting verification that the linux-azure/5.4.0-1126.133
kernel in -proposed solves the problem. Please test the kernel and
update this bug with the results. If the problem is solved, change the
tag 'verification-needed-focal-linux-azure' to 'verification-done-focal-
linux-azure'. If the problem still exists, change the tag 'verification-
needed-focal-linux-azure' to 'verification-failed-focal-linux-azure'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-focal-linux-azure-v2 
verification-needed-focal-linux-azure

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-azure in Ubuntu.
https://bugs.launchpad.net/bugs/2045069

Title:
  Azure: Deprecate Netvsc and implement MANA direct

Status in linux-azure package in Ubuntu:
  Fix Released
Status in linux-azure source package in Jammy:
  Fix Released
Status in linux-azure source package in Lunar:
  Fix Committed
Status in linux-azure source package in Mantic:
  Fix Released

Bug description:
  SRU Justification

  [Impact]

  Microsoft has asked for the inclusion of 3 patches that deprecate the
  use of netvsc in favor of MANA direct.

  hv_netvsc: Mark VF as slave before exposing it to user-mode:
  
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/drivers/net/hyperv?id=c807d6cd089d2f4951baa838081ec5ae3e2360f8

  hv_netvsc: Fix race of register_netdevice_notifier and VF register:
  
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/drivers/net/hyperv?id=85520856466ed6bc3b1ccb013cddac70ceb437db

  hv_netvsc: fix race of netvsc and VF register_netdevice:
  
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/drivers/net/hyperv?id=d30fb712e52964f2cf9a9c14cf67078394044837

  [Test Plan]

  Microsoft tested

  [Regression potential]

  User space that relies on netvsc will likely fail

  [Other Info]

  SF: #00374570

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