Re: [PATCH v2] ARM: mm: flip priority of CONFIG_DEBUG_RODATA

[Kees Cook]

On Wed, Dec 23, 2015 at 4:34 PM, Russell King - ARM Linux
<linux@xxxxxxxxxxxxxxxx> wrote:
> On Wed, Dec 23, 2015 at 04:11:22PM -0800, Tony Lindgren wrote:
>> * Nicolas Pitre <nicolas.pitre@xxxxxxxxxx> [151223 13:45]:
>> > We fixed a bunch of similar issues where code was located in the .data
>> > section for ease of use from assembly code.  See commit b4e61537 and
>> > d0776aff for example.
>>
>> Thanks hey some assembly fun for the holidays :) I also need to check what
>> all gets relocated to SRAM here.
>>
>> In any case, seems like the $subject patch is too intrusive for v4.5 at
>> this point.
>
> Given Christmas and an unknown time between that and the merge window
> actually opening, I decided Tuesday would be the last day I take any
> patches into my tree - and today would be the day that I drop anything
> that causes problems.
>
> So, I've already dropped this, so tomorrow's linux-next should not have
> this change.
>
> You'll still see breakage if people enable RODATA though, but that's no
> different from previous kernels.

Ugh, sorry for the breakage.

Should this patch stay as-is and people will fix their various RODATA
failures during the next devel window, or should I remove the "default
y if CPU_V7"?

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security
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