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vanadium: document some kernel option choices

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Primrose 2025-09-11 13:14:11 +08:00
parent 941a8c4c9d
commit fbc7ba4f6c
Signed by: primrose
GPG key ID: 4E887A4CA9714ADA
1 changed files with 5 additions and 10 deletions
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15
nix/configurations/vanadium/kernel-overlay.nix
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@ -3,6 +3,7 @@ final: prev: let
in {
linuxPackages = final.linuxPackagesFor (
prev.linuxPackages.kernel.override {
# turn this off for testing to view errors
ignoreConfigErrors = true;
structuredExtraConfig = with lib.kernel; {
# optimisation for ryzen 7
@ -16,22 +17,16 @@ in {
X86_MCE = yes;
X86_MCE_AMD = yes;
PERF_EVENTS_INTEL_RAPL = yes;
# # unused option
# CPU_FREQ_DEFAULT_GOV_ONDEMAND = yes;
# # no such option
# MICROCODE_AMD = yes;
# # <5.17
# X86_ACPI_CPUFREQ = yes;
X86_AMD_PSTATE = yes;
X86_POWERNOW_K8 = no;
# # FIXME: crashes the build, seems to answer the question twice
# # not available
# CPU_FREQ_DEFAULT_GOV_ONDEMAND = yes;
# # a suboption for ONDEMAND governor
# X86_AMD_FREQ_SENSITIVITY = yes;
# skipping firmware loading since it's handled by other parts of nix
# skipping firmware loading section since it's handled by other parts of nixos options
SENSORS_K10TEMP = yes;
IOMMU_SUPPORT = yes;
AMD_IOMMU = yes;
# # no such option
# AMD_IOMMU_2 = yes;
# additional chipset drivers
I2C_PIIX4 = yes;