From 62c63f746ae3cb53c8a6de5d3e874b8f03e205d2 Mon Sep 17 00:00:00 2001
From: Lorenz Leutgeb <lorenz@leutgeb.xyz>
Date: Mon, 16 Oct 2023 21:42:52 +0200
Subject: [PATCH] nixos/undervolt: Use `hardware.cpu.x86.msr`

---
 nixos/modules/services/hardware/undervolt.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/services/hardware/undervolt.nix b/nixos/modules/services/hardware/undervolt.nix
index 944777475401..258f09bbab09 100644
--- a/nixos/modules/services/hardware/undervolt.nix
+++ b/nixos/modules/services/hardware/undervolt.nix
@@ -159,7 +159,7 @@ in
   };
 
   config = mkIf cfg.enable {
-    boot.kernelModules = [ "msr" ];
+    hardware.cpu.x86.msr.enable = true;
 
     environment.systemPackages = [ cfg.package ];