Re: [PATCH v8 4/8] livepatch: Allow to unpatch only functions of the given type

[Miroslav Benes]

On Wed, 21 Feb 2018, Petr Mladek wrote:

> From: Jason Baron <jbaron@xxxxxxxxxx>
> 
> We are going to add a feature called atomic replace. It will allow to
> create a patch that would replace all already registered patches.
> For this, we will need to dynamically create funcs and objects
> for functions that are no longer patched.
> 
> The dynamically allocated objects will not longer be needed once
> the patch is applied.
> 
> This patch allows to unpatch functions of the given type. It might
> cause that the obj->patched flag is true even when some listed
> functions are not longer patched. This is fine as long as the
> unpatched funcs' structures are removed right after. It will
> be the case. Anyway, it is safe. In the worst case, it will
> not be possible to enable the disabled functions.
> 
> Signed-off-by: Jason Baron <jbaron@xxxxxxxxxx>
> [pmladek@xxxxxxxx: Split and modified to use the generic ftype]
> Signed-off-by: Petr Mladek <pmladek@xxxxxxxx>
> Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> Cc: Jessica Yu <jeyu@xxxxxxxxxx>
> Cc: Jiri Kosina <jikos@xxxxxxxxxx>
> Cc: Miroslav Benes <mbenes@xxxxxxx>

Acked-by: Miroslav Benes <mbenes@xxxxxxx>

Miroslav