kernel-6.1: Update neuron to 2.25.4.0

[jpculp]

Description of changes:

aws-neuronx-dkms: 2.24.7.0 → 2.25.4.0

Testing done:

• Ran neuron test in aws-k8s-tester on inf2.xlarge.

Details

2026/01/07 02:09:45 [INFO] Total Nodes: 2
2026/01/07 02:09:45 [INFO] Total Neuron Count: 2, Neuron Per Node: 1
2026/01/07 02:09:45 [INFO] Total Neuron Core Count: 4, Neuron Core Per Node: 2
2026/01/07 02:09:45 [INFO] Total EFA Count: 0, EFA Per Node: 0
=== RUN   TestNeuronNodes
=== RUN   TestNeuronNodes/single-node
    neuron_test.go:60: Applying single node manifest
    neuron_test.go:65: Manifest applied successfully
=== RUN   TestNeuronNodes/single-node/Single_node_test_Job_succeeds
    neuron_test.go:72: Waiting for single node job to complete
=== NAME  TestNeuronNodes/single-node

...

=== RUN   TestNeuronNodes/multi-node
    neuron_test.go:157: Skipping feature: "multi-node": name matched
--- PASS: TestNeuronNodes (480.08s)
    --- PASS: TestNeuronNodes/single-node (480.08s)
        --- PASS: TestNeuronNodes/single-node/Single_node_test_Job_succeeds (480.01s)
    --- SKIP: TestNeuronNodes/multi-node (0.00s)
PASS

• Logged onto the node to make sure everything was as expected.

Details

bash-5.1# modinfo neuron
filename:       /lib/modules/6.1.158/kernel/drivers/neuron/neuron.ko.gz
alias:          pci:v00001d0fd00007064sv*sd*bc*sc*i*
version:        2.25.4.0
license:        GPL
description:    Neuron Driver, built from SHA: 5ebb67d2e5be7052dcf1774cff03c69ab40d21ee
import_ns:      DMA_BUF
srcversion:     8F4B84923F1778DB06BA152
depends:
retpoline:      Y
name:           neuron
vermagic:       6.1.158 SMP preempt mod_unload modversions

bash-5.1# systemctl status load-neuron-latest-modules
● load-neuron-latest-modules.service - Load Neuron Latest modules
     Loaded: loaded (/x86_64-bottlerocket-linux-gnu/sys-root/usr/lib/systemd/system/load-neuron-latest-modules.service; enabled; preset: enabled)
    Drop-In: /x86_64-bottlerocket-linux-gnu/sys-root/usr/lib/systemd/system/service.d
             └─00-aws-config.conf
     Active: active (exited) since Wed 2026-01-07 01:52:24 UTC; 5h 22min ago
   Main PID: 1231 (code=exited, status=0/SUCCESS)
        CPU: 321ms

Jan 07 01:52:22 localhost systemd[1]: Starting Load Neuron Latest modules...
Jan 07 01:52:23 localhost driverdog[1196]: 01:52:23 [INFO] Copied neuron.ko.gz
Jan 07 01:52:24 localhost driverdog[1231]: 01:52:24 [INFO] Updated modules dependencies
Jan 07 01:52:24 localhost driverdog[1231]: 01:52:24 [INFO] Loaded kernel modules
Jan 07 01:52:24 localhost systemd[1]: Finished Load Neuron Latest modules.

Terms of contribution:

By submitting this pull request, I agree that this contribution is dual-licensed under the terms of both the Apache License, version 2.0, and the MIT license.