raspberry-pi: add structuredExtraConfig for vendor kernel#1841
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raspberry-pi: add structuredExtraConfig for vendor kernel#1841JamieMagee wants to merge 1 commit intoNixOS:masterfrom
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Override nixpkgs common-config.nix defaults that conflict with RPi vendor defconfigs (bcmrpi/bcm2709/bcm2711/bcm2712): - NR_CPUS: 4 (nixpkgs sets 384; RPi has 4 cores) - CMA_SIZE_MBYTES: 5 (nixpkgs sets 32; vendor default is 5) - LOCALVERSION: cleared (vendor sets -v7/-v8/-v8-16k which breaks modDirVersion; replaces the postConfigure sed hack) - PREEMPT/PREEMPT_VOLUNTARY: full preempt per vendor defconfig (Pi 3+ only; arm32 defconfigs use voluntary preempt which matches nixpkgs default) - NFS root boot: NFS_FS, NFS_V4, ROOT_NFS, IP_PNP, IP_PNP_DHCP, IP_PNP_RARP - NET_CLS_BPF, NLS_CODEPAGE_437: built-in instead of module - FB_SIMPLE: simple framebuffer Ref: https://github.com/raspberrypi/linux/tree/rpi-6.12.y/arch/arm64/configs
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This was referenced Apr 26, 2026
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Override nixpkgs
common-config.nixdefaults that conflict with RPi vendor defconfigs. Without these, the kernel config silently diverges from what the vendor defconfig intends.LOCALVERSION""-v7/-v8/-v8-16k, which breaksmodDirVersionNR_CPUSCMA_SIZE_MBYTESPREEMPTPREEMPT_VOLUNTARYNFS_FS,NFS_V4,ROOT_NFSIP_PNP,IP_PNP_DHCP,IP_PNP_RARPNET_CLS_BPF,NLS_CODEPAGE_437FB_SIMPLEThe
LOCALVERSIONoverride replaces the oldpostConfiguresed hack that clearedCONFIG_LOCALVERSIONfrom.configandauto.confafter configure.Ref: https://github.com/raspberrypi/linux/tree/rpi-6.12.y/arch/arm64/configs
Things done
nixos-hardwareandimporting it via
<nixos-hardware>or Flake input