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SubjectRe: [PATCH v6 1/3] livepatch: add (un)patch callbacks
On Fri, 13 Oct 2017, Joe Lawrence wrote:

> Provide livepatch modules a klp_object (un)patching notification
> mechanism. Pre and post-(un)patch callbacks allow livepatch modules to
> setup or synchronize changes that would be difficult to support in only
> patched-or-unpatched code contexts.
>
> Callbacks can be registered for target module or vmlinux klp_objects,
> but each implementation is klp_object specific.
>
> - Pre-(un)patch callbacks run before any (un)patching transition
> starts.
>
> - Post-(un)patch callbacks run once an object has been (un)patched and
> the klp_patch fully transitioned to its target state.
>
> Example use cases include modification of global data and registration
> of newly available services/handlers.
>
> See Documentation/livepatch/callbacks.txt for details and
> samples/livepatch/ for examples.
>
> Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>

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

Miroslav

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