[Artful/master-next] KPTI arm64 4.14 backport + Cavium ThunderX fix

[Paolo Pisati]

On Fri, Feb 23, 2018 at 6:09 PM, dann frazier
<dann.frazier at canonical.com> wrote:
> On Fri, Feb 23, 2018 at 7:48 AM, Paolo Pisati
> <paolo.pisati at canonical.com> wrote:
>> This a backport of the full KPTI arm64 stack from stable/linux-4.14.y, and it
>> covers all 3 variants (Variant 1 - CVE-2017-5753, Variant 2 - CVE-2017-5715
>> and Variant 3 - CVE-2017-5754).
>>
>> All patches were cherry-picked (and have the corresponding sha) and applied cleanly,
>> except for:
>>
>> UBUNTU: SAUCE: arm64: __idmap_cpu_set_reserved_ttbr1: fix !ARM64_PA_BITS_52
>> logic
>>
>> that is a hot fix we developed to deal with LP1750067
>
> Thanks - looks like that bug impacts upstream v4.14.21 as well - do
> you plan to push that to stable?

Stable found it independently:

https://www.spinics.net/lists/arm-kernel/msg636489.html
-- 
bye,
p.