Kees Cook <keescook@xxxxxxxxxxxx> writes: > On Sat, Jun 27, 2020 at 09:51:31PM +1000, Michael Ellerman wrote: >> Kees Cook <keescook@xxxxxxxxxxxx> writes: >> > Instead of full GNU diff (which smaller boot environments may not have), >> > use "comm" which is more available. >> >> Although using "comm" requires CONFIG_PRINTK_TIME=y doesn't it? > > No, it doesn't seem to. "comm" doesn't carry about the line prefixes. > AIUI, the only reason for a mention of "sort" is because of how "comm" > does its line pairing. i.e. as soon as it goes out of sync, it starts > accounting for the disjunction between files. But that's exactly what we > want it doing, and the prefix doesn't matter. OK, if it works. cheers