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    "date": "2026-03-25T23:21:43",
    "name": "[SRU,Q:linux-gcp,0/6] Add irdma fixups since 6.19",
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        ],
        "From": "Ian Whitfield <ian.whitfield@canonical.com>",
        "To": "kernel-team@lists.ubuntu.com",
        "Subject": "[SRU][Q:linux-gcp][PATCH 0/6] Add irdma fixups since 6.19",
        "Date": "Wed, 25 Mar 2026 19:21:43 -0400",
        "Message-ID": "<20260325232149.127814-1-ian.whitfield@canonical.com>",
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    },
    "content": "BugLink: https://bugs.launchpad.net/bugs/2146168\n\n[Impact]\n\nGoogle has requested a backport of some irdma fixes to the Noble HWE kernel,\nwhich will receive them via questing:linux-gcp.\n\n[Fix]\n\nTarget patches:\n\n2529aead5167 (\"RDMA/irdma: Use CQ ID for CEQE context\")\n2b7c2ba1308a (\"RDMA/irdma: Add enum defs for reserved CQs/QPs\")\n5c3f795d17dc (\"RDMA/irdma: Remove fixed 1 ms delay during AH wait loop\")\n01dad9ca37c6 (\"RDMA/irdma: Fix SRQ shadow area address initialization\")\n\nSome additional patches were needed for these to apply/build cleanly:\n\n5dd68a59145e (\"RDMA/irdma: Remove unused CQ registry\")\n9df8043a546d (\"iopoll: Generalize read_poll_timeout() into poll_timeout_us()\")\n\n[Test Plan]\n\nThis is a relatively small patchset. We will boot test the kernel on a\nbare-metal IDPF machine, but this should be low risk enough to be moved through\nto production without super stringent testing otherwise.\n\n[Regression potential]\n\nThe changes requested are isolated to the Intel RDMA driver, so regressions\nshould only be possible when using Intel RDMA and will likely manifest as\nunexpected network behavior or kernel crashes/hangs during specific network\nactivities. These patches are close to the upstream tip, so some follow-up fixes\nmay appear.\n\n[Other]\n\nSF: 00433131\n\nJacob Moroni (4):\n  RDMA/irdma: Remove fixed 1 ms delay during AH wait loop\n  RDMA/irdma: Add enum defs for reserved CQs/QPs\n  RDMA/irdma: Remove unused CQ registry\n  RDMA/irdma: Use CQ ID for CEQE context\n\nJijun Wang (1):\n  RDMA/irdma: Fix SRQ shadow area address initialization\n\nVille Syrjälä (1):\n  iopoll: Generalize read_poll_timeout() into poll_timeout_us()\n\n drivers/infiniband/hw/irdma/ctrl.c  | 163 +++++-----------------------\n drivers/infiniband/hw/irdma/hw.c    | 108 ++++++++++++++----\n drivers/infiniband/hw/irdma/main.h  |   2 +\n drivers/infiniband/hw/irdma/puda.c  |  33 +++---\n drivers/infiniband/hw/irdma/type.h  |  23 +++-\n drivers/infiniband/hw/irdma/utils.c |   5 +-\n drivers/infiniband/hw/irdma/verbs.c |  23 ++--\n include/linux/iopoll.h              | 110 +++++++++++++------\n 8 files changed, 242 insertions(+), 225 deletions(-)"
}