Comment # 14 on bug 1212841 from Stefan Dirsch

Comment for myself. Although this was reported for 535.54.03 and we saw this
change in a later version 

--- NVIDIA-Linux-x86_64-550.54.14/kernel/nvidia/nv.c    2024-02-22
03:22:32.000000000 +0100
+++ NVIDIA-Linux-x86_64-550.67.00/kernel/nvidia/nv.c    2024-03-13
01:28:21.000000000 +0100
@@ -57,7 +57,11 @@
 #include "nv-dmabuf.h"
 #include "nv-caps-imex.h"

-#if !defined(CONFIG_RETPOLINE)
+/*
+ * Commit aefb2f2e619b ("x86/bugs: Rename CONFIG_RETPOLINE =>
+ * CONFIG_MITIGATION_RETPOLINE) in v6.8 renamed CONFIG_RETPOLINE.
+ */
+#if !defined(CONFIG_RETPOLINE) && !defined(CONFIG_MITIGATION_RETPOLINE)
 #include "nv-retpoline.h"
 #endif

the issue still exists in latest version 550.90.07.