ACK: [SRU][N:linux-bluefield][PATCH 0/1] Revert performance sinking conntrack patch

[Sarah Emery]

On 29/04/2026 15:57, Alessio Faina wrote:
> BugLink: https://bugs.launchpad.net/bugs/2150645
> 
> SRU Justification:
> 
> [Impact]
> 
> NVIDIA engineers reported a sudden drop in performance after applying
> some conntrack patches. Reverting one of them after a previous one has
> been already reverted by upstream.
> 
> [Fix]
> 
> Revert commit def3e30c59e
> 
> [Test case]
> 
> Compile tested
> Full test will be performed by NVIDIA R&D engineers to confirm the successful
> outcome after patch is reverted.
> 
> [Regression potential]
> 
> The code works in conntrack and with TCP timeouts; it can break some
> TCP flows and offloading structures, leading to broken connections or
> still under-performing network speed.
> 
> Alessio Faina (1):
>    UBUNTU: SAUCE: Revert "netfilter: conntrack: rework offload nf_conn
>      timeout extension logic"
> 
>   include/net/netfilter/nf_conntrack.h |  10 +++
>   net/netfilter/nf_conntrack_core.c    |   6 ++
>   net/netfilter/nf_flow_table_core.c   | 105 +--------------------------
>   3 files changed, 18 insertions(+), 103 deletions(-)
> 

Acked-by: Sarah Emery <sarah.emery at canonical.com>