ACK: [SRU][O:linux-gcp][PATCH v2 0/4] IDPF: TX timeout and crash

[Kuba Pawlak]

On 28.03.2025 00:42, Ian Whitfield wrote:
> BugLink: https://bugs.launchpad.net/bugs/2093622
>
> [Impact]
> Google has requested a patchset to be backported to resolve an issue in
> the IDPF module. The issue can lead to timeouts and potentially a system
> crash.
>
> [Fix]
> Backport a patchset from linux upstream to all IDPF-enabled Google
> kernels. This thread is for Oracular, another thread was sent for
> Jammy and Noble each, because they require separate patchsets. Plucky
> has already received these fixes through upstream updates.
>
> [Test Plan]
> Google provided an iperf3 stress test, which I performed on two bare
> metal machines using the IDPF driver. There were no errors reported by
> the kernel after running the stress test for 24+ hours.
>
> [Regression Potential]
> This is a medium size backport and affects several kernels. All patches
> applied cleanly to this kernel tree, which reduces room for human error
> in the backport process. Problems related to this fix could lead to
> further issues in the Intel IDPF module, but there have been no changes
> to other drivers or the core kernel.
>
> v2: Resubmitted without patches that have already been applied since v1.
>      The patchset was previously reverted for all kernels over regression
>      concerns, and has been more thoroughly tested since.
>
> Joe Damato (1):
>    idpf: Don't hard code napi_struct size
>
> Joshua Hay (3):
>    idpf: enable WB_ON_ITR
>    idpf: add support for SW triggered interrupts
>    idpf: trigger SW interrupt when exiting wb_on_itr mode
>
>   drivers/net/ethernet/intel/idpf/idpf_dev.c    |  5 +++
>   .../ethernet/intel/idpf/idpf_singleq_txrx.c   |  6 +++-
>   drivers/net/ethernet/intel/idpf/idpf_txrx.c   | 36 +++++++++++++------
>   drivers/net/ethernet/intel/idpf/idpf_txrx.h   | 36 +++++++++++++++++--
>   drivers/net/ethernet/intel/idpf/idpf_vf_dev.c |  5 +++
>   5 files changed, 74 insertions(+), 14 deletions(-)
>
Acked-by: Kuba Pawlak <kuba.pawlak at canonical.com>
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