Re: [PATCH 1/2] arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug

Dan Williams
2015-11-23T17:12:23Z

On Mon, Nov 23, 2015 at 12:12 AM, Ingo Molnar <mingo@kernel.org> wrote:
>
> * Dan Williams <dan.j.williams@intel.com> wrote:
>
>> Let all the archs that implement CONFIG_STRICT_DEVM use a common
>> definition in lib/Kconfig.debug.
>
> For the x86 bit:
>
> Acked-by: Ingo Molnar <mingo@kernel.org>
>
>> Note, the 'depends on !SPARC' is due to sparc not implementing
>> devmem_is_allowed().
>
> Maybe that should be converted into a helper Kconfig switch for architectures to
> opt in to /dev/mem restrictions?

Sure, easy enough to add a ARCH_HAS_DEVMEM_IS_ALLOWED opt-in.