linux-kernel - Re: [PATCH] kbuild: use -flive-patching when CONFIG

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Date:   Wed, 19 Dec 2018 19:10:47 +0100 (CET)
From:   Jiri Kosina <jikos@...nel.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
cc:     Miroslav Benes <mbenes@...e.cz>, yamada.masahiro@...ionext.com,
        michal.lkml@...kovi.net, jeyu@...nel.org, pmladek@...e.com,
        linux-kbuild@...r.kernel.org, live-patching@...r.kernel.org,
        linux-kernel@...r.kernel.org, Joao Moreira <jmoreira@...e.de>
Subject: Re: [PATCH] kbuild: use -flive-patching when CONFIG_LIVEPATCH is
 enabled

On Wed, 19 Dec 2018, Josh Poimboeuf wrote:

> > > This option only makes sense for source-based patch generation, so isn't 
> > > it a bit premature to make this change without proper source-based patch 
> > > tooling?
> > 
> > The reality is though that before the full-fledged patch tooling exists, 
> > people are actually already writing livepatches by hand, so this option is 
> > useful for them.
> 
> Fair enough.
> 
> Though, upstream, almost everybody seems to use kpatch-build, for which
> this patch doesn't help.  And people will continue to do so until we
> have decent source-based tooling.  Will the klp-convert patches be
> revived soon?

Let me add Joao, who's working on that.

Joao, I think you had something basically ready for upstream exposure, 
right?

Thanks,

-- 
Jiri Kosina
SUSE Labs