New comment by akarelas on void-packages repository

https://github.com/void-linux/void-packages/issues/48504#issuecomment-1927429101

Comment:
This also happens with linux kernel 6.6.15:

```
[user@voidvm build]$ tail -n 20 /var/lib/dkms/nvidia/535.154.05/build/make.log
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv038952rm+0x9d: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv038954rm+0x77: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv038898rm+0x7f: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv030487rm+0x3e: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv030486rm+0x27: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv030490rm+0x37: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv030489rm+0x24: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv030488rm+0xca: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv030491rm+0x193: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv030493rm+0x17f: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv011850rm+0x5d: 'naked' return found in RETHUNK build
/var/lib/dkms/nvidia/535.154.05/build/nvidia.o: warning: objtool: _nv039265rm+0x12f: 'naked' return found in RETHUNK build
  MODPOST /var/lib/dkms/nvidia/535.154.05/build/Module.symvers
ERROR: modpost: GPL-incompatible module nvidia.ko uses GPL-only symbol '__rcu_read_unlock'
ERROR: modpost: GPL-incompatible module nvidia.ko uses GPL-only symbol '__rcu_read_lock'
make[3]: *** [scripts/Makefile.modpost:145: /var/lib/dkms/nvidia/535.154.05/build/Module.symvers] Error 1
make[2]: *** [/usr/src/kernel-headers-6.6.15_1/Makefile:1865: modpost] Error 2
make[1]: *** [Makefile:234: __sub-make] Error 2
make[1]: Leaving directory '/usr/src/kernel-headers-6.6.15_1'
make: *** [Makefile:82: modules] Error 2
```