Re: [PATCH v4] livepatch: introduce shadow variable API

[Josh Poimboeuf]

On Mon, Aug 14, 2017 at 04:02:43PM -0400, Joe Lawrence wrote:
> Add exported API for livepatch modules:
> 
>   klp_shadow_get()
>   klp_shadow_attach()
>   klp_shadow_get_or_attach()
>   klp_shadow_update_or_attach()
>   klp_shadow_detach()
>   klp_shadow_detach_all()
> 
> that implement "shadow" variables, which allow callers to associate new
> shadow fields to existing data structures.  This is intended to be used
> by livepatch modules seeking to emulate additions to data structure
> definitions.
> 
> See Documentation/livepatch/shadow-vars.txt for a summary of the new
> shadow variable API, including a few common use cases.
> 
> See samples/livepatch/livepatch-shadow-* for example modules that
> demonstrate shadow variables.
> 
> Signed-off-by: Joe Lawrence <joe.lawrence@xxxxxxxxxx>

Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

-- 
Josh