On Tue, Mar 05, 2024 at 02:28:52PM +0800, Rui Qi wrote: > No problem with make allmodconfig, the compiler I use is gcc version 8.3.0 (Debian 8.3.0 -6). That is a _VERY_ old compiler, does it even support all of the retbleed and other stuff needed here? Try something newer, I see this failing on gcc-12 and probably gcc-13. thanks, greg k-h