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

[Dan Williams]

On Wed, Aug 4, 2021 at 11:09 AM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
>
> On Wed, Aug 04, 2021 at 10:43:22AM -0700, Kuppuswamy Sathyanarayanan wrote:
> > +/* Driver allow list */
> > +static LIST_HEAD(driver_allow_list);
> > +/* Driver deny list */
> > +static LIST_HEAD(driver_deny_list);
>
> Why use a doubly-linked-list here?  An allocating xarray should perform
> much better and use less memory.

Sounds reasonable to me.