Re: [PATCH v1] driver: base: Add driver filter support

From: Greg Kroah-Hartman
Date: Thu Aug 05 2021 - 03:55:40 EST


On Thu, Aug 05, 2021 at 09:49:29AM +0200, Greg Kroah-Hartman wrote:
> On Wed, Aug 04, 2021 at 12:50:24PM -0700, Andi Kleen wrote:
> > > And what's wrong with the current method of removing drivers from
> > > devices that you do not want them to be bound to? We offer that support
> > > for all busses now that want to do it, what driver types are you needing
> > > to "control" here that does not take advantage of the existing
> > > infrastructure that we currently have for this type of thing?
> >
> > I'm not sure what mechanism you're referring to here, but in general don't
> > want the drivers to initialize at all because they might get exploited in
> > any code that they execute.
>
> That is exactly the mechanism we have today in the kernel for all busses
> if they wish to take advantage of it. We have had this for all USB
> drivers for well over a decade now, this is not a new feature. Please
> use that instead.

Hm, wait, maybe that didn't get merged yet, let me dig...