Hi Pavel, On 26/03/2020 03:24, Pavel Tatashin wrote: > x0 will contain the only argument to arm64_relocate_new_kernel; don't > use it as a temp. Reassigned registers to free-up x0. The missing bit of motivation is _why_ you need x0 keep its value until the end of this code. With that covered, Reviewed-by: James Morse <james.morse@xxxxxxx> Thanks, James