** Description changed:
SRU Justification
[Impact]
- Google requested a Grace-enabled 6.8 kernel for GCP. This targets
- noble:linux-gcp and its jammy:linux-gcp-6.8 derivative.
+ Google requested a Grace-enabled 6.8 kernel for GCP. This patchset targets
+ noble:linux-gcp. The derivative kernel jammy:linux-gcp-6.8 will inherit
+ these patches and will be the primary deployment kernel.
[Fix]
- Add select NVIDIA Grace platform patches, similar to what has been done
- for kernels like noble:linux-azure-nvidia.
+ Add select NVIDIA Grace platform patches, similar to what has been done
+ for kernels like noble:linux-azure-nvidia. NVIDIA provides a
+ document [1] listing all of the required and recommended kernel patches for
+ Grace enablement. Version 11 April 25, 2025 of the document was used
+ when preparing this patchset as was version
+ Ubuntu-azure-nvidia-6.8.0-1016.17 of the noble:linux-azure-nvidia kernel.
+
+ [1] https://docs.nvidia.com/grace-patch-config-guide.pdf
[Test Plan]
- Initial verification will be done in house on available Grace hardware.
- Further testing will be done by Google in their Grace-enabled
- environment.
+ Boot testing on arm64/64k pages was performed in house. Further testing
+ will be done by Google in their Grace-enabled environment once available.
[Regression potential]
- The regression potential is moderate due to the number of patches
- involved and the breadth of the changes.
+ The regression potential is considered moderate due to the number of
+ patches involved and the breadth of the changes. The changes affect
+ pte, perf, PCI, cpufreq, ACPI, mmu, coresight, and other kernel
+ subsystems.
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https://bugs.launchpad.net/bugs/2111859
Title:
linux-gcp: NVIDIA Grace platform support
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