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  1. Fast Datapath Product
  2. FDP-3220

Upstream: OVS calls rtnl_delete_link() with wrong lock

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Undefined Undefined
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    • openvswitch3.6
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      Please mark each item below with ( / ) if completed or ( x ) if incomplete:
      ( ) Unit test or Integration test case are written and pass successfully

      ( ) The upstream pull request is merged upstream and pass CI

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      Please mark each item below with ( / ) if completed or ( x ) if incomplete: ( ) Unit test or Integration test case are written and pass successfully ( ) The upstream pull request is merged upstream and pass CI
    • rhel-10
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    • rhel-net-ovs-dpdk

      This is tracking the upstream effort needed to deliver the solution to the bug described below.

      There are a couple of callers of rtnl_delete_link() in openvswitch which all call the function while holding the RTNL. However, the core caller (rtnl_dellink) has moved to rtnl_net_lock(), so when the kernel is compiled with the small RTNL enabled, the locking is no longer congruent.

              ovsdpdk-triage ovsdpdk triage
              tohojo Toke Høiland-Jørgensen
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                Created:
                Updated: