From 80fd09719cf2f8d7c0d83812b6827e9db901dc34 Mon Sep 17 00:00:00 2001
From: Alex Lyon <dev@arct.rs>
Date: Sat, 2 Aug 2025 18:52:57 -0700
Subject: [PATCH] nvidia-x11.open: allow usage with PREEMPT_RT

---
 pkgs/os-specific/linux/nvidia-x11/open.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/os-specific/linux/nvidia-x11/open.nix b/pkgs/os-specific/linux/nvidia-x11/open.nix
index 108466d4e8ec..88f146c526d3 100644
--- a/pkgs/os-specific/linux/nvidia-x11/open.nix
+++ b/pkgs/os-specific/linux/nvidia-x11/open.nix
@@ -27,6 +27,7 @@ stdenv.mkDerivation (
     nativeBuildInputs = kernel.moduleBuildDependencies;
 
     makeFlags = kernelModuleMakeFlags ++ [
+      "IGNORE_PREEMPT_RT_PRESENCE=1"
       "SYSSRC=${kernel.dev}/lib/modules/${kernel.modDirVersion}/source"
       "SYSOUT=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
       "MODLIB=$(out)/lib/modules/${kernel.modDirVersion}"