Re: [RFC][PATCH 3/2] livepatch: remove klp_check_compiler_support()

[Josh Poimboeuf]

On Fri, May 10, 2019 at 11:47:50PM +0200, Jiri Kosina wrote:
> From: Jiri Kosina <jkosina@xxxxxxx>
> 
> The only purpose of klp_check_compiler_support() is to make sure that we 
> are not using ftrace on x86 via mcount (because that's executed only after 
> prologue has already happened, and that's too late for livepatching 
> purposes).
> 
> Now that mcount is not supported by ftrace any more, there is no need for 
> klp_check_compiler_support() either.
> 
> Reported-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
> ---
> 
> I guess it makes most sense to merge this together with mcount removal in 
> one go.

Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

-- 
Josh