[RFC PATCH] make CONFIG_STRICT_DEVMEM a core non-debug feature

Leif Lindholm leif.lindholm at linaro.org
Tue Nov 4 12:18:59 PST 2014

On Tue, Nov 04, 2014 at 12:02:32PM -0800, Kees Cook wrote:
> > I considered doing that, but didn't want to risk listing too many
> > details of one architecture, and too few of others.
> Well, the others only say "memory mapped peripherals", so that's what
> I was suggesting adding the x86 language: it was the most detailed
> about what that would really mean to the end-user.

The problem is that this currently isn't strictly speaking true for
some architectures (at least not arm*). Without a standardised memory
map, we are exposing mapping anything not system RAM.

(Patches related to that will follow later this month.)


More information about the linux-arm-kernel mailing list