Re: [PATCH v3] retpoline: Add retpoline tag to VERMAGIC

[Andi Kleen]

On Tue, Jan 16, 2018 at 10:24:53PM +0100, Thomas Gleixner wrote:
> On Tue, 16 Jan 2018, Andi Kleen wrote:
> 
> > From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> > 
> > Add a marker for retpoline to the module VERMAGIC. This catches
> > the case when a non RETPOLINE compiled module gets loaded into
> > a retpoline kernel, making it insecure.
> > 
> > It doesn't handle the case when retpoline has been runtime disabled.
> > Even in this case the match of the retcompile status will be enforced.
> > This implies that even with retpoline run time disabled all modules
> > loaded need to be recompiled.
> > 
> > This supersedes an earlier patch that did the same checking using
> > a new module tag (so it's really a v3)
> > 
> > Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> 
> Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Thanks. Through which tree should this go?
Or Linus, could you take it directly?

-Andi