linux-kernel - Re: [PATCH v2 0/5] livepatch: new API to track system state changes

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Message-ID: <alpine.LSU.2.21.1908131543280.10477@pobox.suse.cz>
Date:   Tue, 13 Aug 2019 15:46:59 +0200 (CEST)
From:   Miroslav Benes <mbenes@...e.cz>
To:     Petr Mladek <pmladek@...e.com>
cc:     Jiri Kosina <jikos@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
        Nicolai Stange <nstange@...e.de>,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/5] livepatch: new API to track system state
 changes

On Fri, 19 Jul 2019, Petr Mladek wrote:

> Hi,
> 
> this is another piece in the puzzle that helps to maintain more
> livepatches.
> 
> Especially pre/post (un)patch callbacks might change a system state.
> Any newly installed livepatch has to somehow deal with system state
> modifications done be already installed livepatches.
> 
> This patchset provides a simple and generic API that
> helps to keep and pass information between the livepatches.
> It is also usable to prevent loading incompatible livepatches.
> 
> 
> Changes since v1:
> 
>   + Use "unsigned long" instead of "int" for "state.id" [Nicolai]
>   + Use "unsigned int" instead of "int" for "state.version [Petr]
>   + Include "state.h" to avoid warning about non-static func [Miroslav]
>   + Simplify logic in klp_is_state_compatible() [Miroslav]
>   + Document how livepatches should handle the state [Nicolai]
>   + Fix some typos, formulation, module metadata [Joe, Miroslav]

I noticed couple of typos along the way but apart from that

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

Miroslav