linux-kernel - Re: [PATCH v14 07/11] livepatch: Add atomic replace

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Message-ID: <alpine.LSU.2.21.1812041532220.2327@pobox.suse.cz>
Date:   Tue, 4 Dec 2018 16:27:43 +0100 (CET)
From:   Miroslav Benes <mbenes@...e.cz>
To:     Petr Mladek <pmladek@...e.com>
cc:     Jiri Kosina <jikos@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jason Baron <jbaron@...mai.com>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Evgenii Shatokhin <eshatokhin@...tuozzo.com>,
        live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jessica Yu <jeyu@...nel.org>
Subject: Re: [PATCH v14 07/11] livepatch: Add atomic replace


> -5.3. Disabling
> +5.3. Replacing
> +--------------
> +
> +All enabled patches might get replaced by a cumulative patch that
> +has the .replace flag set.
> +
> +Once the new patch is enabled and the 'transition" finishes then
> +all the functions (struct klp_func) associated with the replaced
> +patches are removed from the corresponding struct klp_ops. Also
> +the ftrace handler is unregistered and the struct klp_ops is
> +freed when the related function is not modified by the new patch
> +and func_stack list becomes empty.
> +
> +See Documentation/livepatch/cumulative-patches.txt for more details.

which is added later in the series.

The rest looks good, so

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

M