Re: [PATCH v2] objtool: move libelf detection to Kconfig from Makefile

[Ingo Molnar]

* Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:

> Since we switched the x86_64 default to the ORC unwinder, a lot of
> people have switched over.  But this patch will reverse (or at least
> slow down) that trend, because almost nobody has the libelf devel
> packaged installed by default.  So over time, it will effectively make
> frame pointers the default again in many cases.  That's exactly what we
> *don't* want to do.  It will also cause people to accidentally re-enable
> frame pointers when they thought they had ORC.

Yeah, agreed - turning ORC off like that is a non-starter.

Thanks,

	Ingo