From c54682539bf67ffe4c2bc299d2fb451a335ed70c Mon Sep 17 00:00:00 2001
From: Aaron Bieber <aaron@bolddaemon.com>
Date: Mon, 9 May 2022 06:37:09 -0600
Subject: [PATCH] os-specific/linux/vmm_clock: mark kernels older than 4.19 as
 broken

Upstream mentions[1] the oldest tested kernel is 4.19, so mark anything
older as broken.

ZHF: #172160

[1] https://github.com/voutilad/vmm_clock#tested-platforms-and-configs
---
 pkgs/os-specific/linux/vmm_clock/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/os-specific/linux/vmm_clock/default.nix b/pkgs/os-specific/linux/vmm_clock/default.nix
index a9cc266f6c5..b630ed4749f 100644
--- a/pkgs/os-specific/linux/vmm_clock/default.nix
+++ b/pkgs/os-specific/linux/vmm_clock/default.nix
@@ -26,6 +26,7 @@ stdenv.mkDerivation rec {
   ];
 
   meta = with lib; {
+    broken = kernel.kernelOlder "4.19";
     description =
       "Experimental implementation of a kvmclock-derived clocksource for Linux guests under OpenBSD's hypervisor";
     homepage = "https://github.com/voutilad/vmm_clock";