[PATCH] efi/arm*: Only register page tables when they exist

[Ard Biesheuvel]

On 17 January 2018 at 12:01, Ard Biesheuvel <ard.biesheuvel at linaro.org> wrote:
> On 17 January 2018 at 10:19, Will Deacon <will.deacon at arm.com> wrote:
>> On Tue, Jan 16, 2018 at 02:08:32PM +0000, Mark Rutland wrote:
>>> Currently the arm/arm64 runtime code registers the runtime servies
>>> pagetables with ptdump regardless of whether runtime services page
>>> tables have been created.
>>>
>>> As efi_mm.pgd is NULL in these cases, attempting to dump the efi page
>>> tables results in a NULL pointer dereference in the ptdump code:
>>
>> Acked-by: Will Deacon <will.deacon at arm.com>
>>
>> Ard -- please can you pick this one up?
>>
>
> I'll see if I can manage applying it.
>

Applied for -next, thanks.