diff --git a/README.adoc b/README.adoc
index c1c0054..652a2d0 100644
--- a/README.adoc
+++ b/README.adoc
@@ -2719,6 +2719,10 @@ http://nairobi-embedded.org/initramfs_tutorial.html shows a full manual setup.
 
 TODO we were not able to get it working yet: https://stackoverflow.com/questions/49261801/how-to-boot-the-linux-kernel-with-initrd-or-initramfs-with-gem5
 
+This would require gem5 to load the CPIO into memory, just like QEMU, which it does not seem to support. It should not be hard to implement however.
+
+initramfs might just work however, TODO test it out.
+
 == Device tree
 
 The device tree is a Linux kernel defined data structure that serves to inform the kernel how the hardware is setup.