[PATCH v2 5/9] powerpc/vmlinux.lds: Align __init_begin to 16M

[Balbir Singh]

On Sun, Jun 4, 2017 at 2:22 PM, Nicholas Piggin <npiggin at gmail.com> wrote:
> On Sat,  3 Jun 2017 17:18:39 +1000
> Balbir Singh <bsingharora at gmail.com> wrote:
>
>> For CONFIG_STRICT_KERNEL_RWX align __init_begin to 16M.
>> We use 16M since its the larger of 2M on radix and 16M
>> on hash for our linear mapping. The plan is to have
>> .text, .rodata and everything upto __init_begin marked
>> as RX. Note we still have executable read only data.
>> We could further align read only data to another 16M
>> boundary, but then the linker starts using stubs and
>> that breaks our assembler code in head_64.S
>
> Is this still the case with powerpc next?
>

Sorry, no, I was on linux-next for testing, but I think your linker
stub patches went in very recently. I'll rebase on top and test,
but I am not sure if I want two 16M alignments and bloat the size
of vmlinux. But I'll double check what happens

Balbir Singh.