openhcl_boot: disable acpi runtime support #2441
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smalis-msft
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Nov 19, 2025
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chris-oo
November 19, 2025 00:11
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Pull Request Overview
This PR disables ACPI runtime support in OpenHCL by adding the acpi=off kernel command line parameter. The change is motivated by an upcoming kernel change that will compile in limited ACPI routines for TDX AP (Application Processor) startup, which are unwanted in the OpenHCL environment.
- Adds
acpi=offkernel parameter to disable ACPI runtime functions in the kernel
chris-oo
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An upcoming kernel change will compile in some limited acpi routines for TDX AP startup. Disable ACPI runtime functions as they are unwanted.
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I tested this patch with the latest patches for LKML. I am able to boot successfully. |
chris-oo
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Backported to release/1.7.2511 in #2447 |
benhillis
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backported_1.7.2511
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An upcoming kernel change will compile in some limited acpi routines for TDX AP startup. Disable ACPI runtime functions as they are unwanted.