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[Boot] Add optional patch to remove Linux kernel DRM (EXPORT_SYMBOL_GPL)

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This commit is contained in:
Antoine Viallon 2023-11-05 23:48:21 +01:00
parent 94aaf0b08b
commit 2be5863af8
Signed by: aviallon
GPG key ID: 186FC35EDEB25716
2 changed files with 21 additions and 0 deletions
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9
boot.nix
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@ -22,6 +22,12 @@ let
ENERGY_MODEL y ENERGY_MODEL y
''; '';
}; };
removeKernelDRM = {
name = "remove-kernel-drm";
patch = ./remove-kernel-drm.patch;
};
amdClusterId = { amdClusterId = {
name = "cluster-id-amd"; name = "cluster-id-amd";
patch = pkgs.fetchpatch { patch = pkgs.fetchpatch {
@ -180,6 +186,8 @@ in {
type = types.listOf types.string; type = types.listOf types.string;
example = [ "-fipa-pta" ]; example = [ "-fipa-pta" ];
}; };
removeKernelDRM = mkEnableOption "convert all EXPORT_SYMBOL_GPL to EXPORT_SYMBOL. Warning: might be illegal in your region.";
}; };
config = mkMerge [ config = mkMerge [
@ -252,6 +260,7 @@ in {
++ optional (cfg.patches.amdClusterId.enable && kernelVersionOlder "6.4") customKernelPatches.amdClusterId ++ optional (cfg.patches.amdClusterId.enable && kernelVersionOlder "6.4") customKernelPatches.amdClusterId
++ optional (cfg.patches.zenLLCIdle.enable && kernelVersionOlder "6.5") customKernelPatches.backports.zenLLCIdle ++ optional (cfg.patches.zenLLCIdle.enable && kernelVersionOlder "6.5") customKernelPatches.backports.zenLLCIdle
++ optional (isXanmod cfg.kernel && config.aviallon.optimizations.enable) (customKernelPatches.optimizeForCPUArch config.aviallon.general.cpu.arch) ++ optional (isXanmod cfg.kernel && config.aviallon.optimizations.enable) (customKernelPatches.optimizeForCPUArch config.aviallon.general.cpu.arch)
++ optional cfg.removeKernelDRM customKernelPatches.removeKernelDRM
; ;

12
remove-kernel-drm.patch Normal file
View file

@ -0,0 +1,12 @@
diff --git a/include/linux/export.h b/include/linux/export.h
index 3f31ced0d977..dacee5534926 100644
--- a/include/linux/export.h
+++ b/include/linux/export.h
@@ -150,5 +150,5 @@ struct kernel_symbol {
#define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "")
-#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl")
+#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "")
#define EXPORT_SYMBOL_NS(sym, ns) __EXPORT_SYMBOL(sym, "", __stringify(ns))
-#define EXPORT_SYMBOL_NS_GPL(sym, ns) __EXPORT_SYMBOL(sym, "_gpl", __stringify(ns))
+#define EXPORT_SYMBOL_NS_GPL(sym, ns) __EXPORT_SYMBOL(sym, "", __stringify(ns))