linux-kernel - Re: [PATCH v3 0/2] Improve handling of the __klp

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Message-ID: <alpine.LSU.2.21.2602031124080.19996@pobox.suse.cz>
Date: Tue, 3 Feb 2026 11:24:33 +0100 (CET)
From: Miroslav Benes <mbenes@...e.cz>
To: Petr Pavlu <petr.pavlu@...e.com>
cc: Josh Poimboeuf <jpoimboe@...nel.org>, Jiri Kosina <jikos@...nel.org>, 
    Petr Mladek <pmladek@...e.com>, Joe Lawrence <joe.lawrence@...hat.com>, 
    Luis Chamberlain <mcgrof@...nel.org>, Daniel Gomez <da.gomez@...nel.org>, 
    Sami Tolvanen <samitolvanen@...gle.com>, 
    Aaron Tomlin <atomlin@...mlin.com>, Peter Zijlstra <peterz@...radead.org>, 
    live-patching@...r.kernel.org, linux-modules@...r.kernel.org, 
    linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/2] Improve handling of the __klp_{objects,funcs}
 sections in modules

On Fri, 23 Jan 2026, Petr Pavlu wrote:

> Changes since v2 [1]:
> - Generalize the helper function that locates __klp_objects in a module
>   to allow it to find any data in other sections as well.
> 
> Changes since v1 [2]:
> - Generalize the helper function that locates __klp_objects in a module
>   to allow it to find objects in other sections as well.
> 
> [1] https://lore.kernel.org/linux-modules/20260121082842.3050453-1-petr.pavlu@suse.com/
> [2] https://lore.kernel.org/linux-modules/20260114123056.2045816-1-petr.pavlu@suse.com/
> 
> Petr Pavlu (2):
>   livepatch: Fix having __klp_objects relics in non-livepatch modules
>   livepatch: Free klp_{object,func}_ext data after initialization
> 
>  include/linux/livepatch.h           |  3 +++
>  kernel/livepatch/core.c             | 19 +++++++++++++++++++
>  scripts/livepatch/init.c            | 20 +++++++++-----------
>  scripts/module.lds.S                |  9 ++-------
>  tools/objtool/check.c               |  2 +-
>  tools/objtool/include/objtool/klp.h | 10 +++++-----
>  tools/objtool/klp-diff.c            |  2 +-
>  7 files changed, 40 insertions(+), 25 deletions(-)
> 
> 
> base-commit: 0f61b1860cc3f52aef9036d7235ed1f017632193

Acked-by: Miroslav Benes <mbenes@...e.cz>

Thank you,
M