[PATCH 3/3] powerpc/mm: Mark __init memory no-execute when STRICT_KERNEL_RWX=y

[Michael Ellerman]

Christophe LEROY <christophe.leroy at c-s.fr> writes:
...
> At least it is correct for the ones that use regular pages, and kernel 
> can also be started with nobats or noltlbs at command line, in which 
> case it is usefull to have the page tables correct.

Yep OK.

>> So yes we *should* always mark it no-execute but in practice we can't
>> because it's not page aligned.
>
> On 32 bit it seems to always be aligned to the normal page size, so no 
> problem.
>
>> But if that's different on (some?) 32-bit then we could introduce a new
>> CONFIG symbol that is enabled in the right cases.
>
> For the time being, I have added an "|| CONFIG_PPC32 " on the ifdef, is 
> that OK ?
> See https://patchwork.ozlabs.org/patch/796625/

Yeah looks fine.

cheers