Re: [PATCH 0/8] livepatch: klp-convert tool

[Josh Poimboeuf <jpoimboe@redhat.com>]

On Fri, Oct 20, 2017 at 10:51:40AM +0200, Miroslav Benes wrote:
> > But with klp-convert, there's no such documentation, because there's no
> > safe way to use it without other supplementary tooling which doesn't
> > exist.
> 
> True.
> 
> I don't know if I mentioned it before. There is -fdump-ipa-clones now in 
> GCC for dumping every clone operation GCC does.
> 
> https://github.com/marxin/kgraft-analysis-tool processes the dump and 
> extracts useful information for a symbol.

Thanks, that looks really nice.  I see that my GCC 7 has
-fdump-ipa-clones.

It would be great if we could integrate that script's functionality with
klp-convert somehow, such that it would warn if you're patching a
function or a relocation which is affected.

Or at least document how a human could do so.

-- 
Josh