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SubjectRe: [PATCH v3] ARM: mm: report both sections from PMD
On Fri, Feb 14, 2014 at 11:13:53AM -0800, Kees Cook wrote:
> On Fri, Feb 14, 2014 at 2:17 AM, Catalin Marinas
> <catalin.marinas@arm.com> wrote:
> > On Thu, Feb 13, 2014 at 07:52:30PM +0000, Kees Cook wrote:
> >> On 2-level page table systems, the PMD has 2 section entries. Report
> >> these, otherwise ARM_PTDUMP will miss reporting permission changes on
> >> odd section boundaries.
> >>
> >> Signed-off-by: Kees Cook <keescook@chromium.org>
> >
> > Acked-by: Catalin Marinas <catalin.marinas@arm.com>
>
> On Fri, Feb 14, 2014 at 9:05 AM, Steve Capper <steve.capper@linaro.org> wrote:
> > Tested-by: Steve Capper <steve.capper@linaro.org>
>
> Thanks to both of you! If you have a moment can you check this other
> patch which has additional fixes for the dump code?
>
> https://lkml.org/lkml/2014/2/12/662

It's not that simple, because APX in section descriptors doesn't exist
on pre-v6 ARMs. This needs to be conditional upon the CPU arch.

--
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Estimate before purchase was "up to 13.2Mbit".


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