Spectre+Meltdown

[Li Yang]

On Mon, Jan 8, 2018 at 2:17 AM, Christian Zigotzky
<chzigotzky at xenosoft.de> wrote:
> Hi All,
>
> Thanks a lot for your replies.
>
> @NXP developers: Could you please tell us some information?

We have done some investigation but it is not ready to be published
yet.  You can get more information from your support channel right
now.

>
> Thanks,
> Christian
>
>
>
> On 08 January 2018 at 02:14AM, Michal Suchanek wrote:
>>
>> On 7 January 2018 at 19:54, Olof Johansson <olof at lixom.net> wrote:
>>>
>>> On Sun, Jan 7, 2018 at 5:04 AM, Christian Zigotzky
>>> <chzigotzky at xenosoft.de> wrote:
>>>>
>>>> Hello Michael,
>>>>
>>>> Thanks for your reply. We are using P.A. Semi and Freescale CPUs.
>>>>
>>>> @Olof
>>>> Do you have some infos for us?
>>>
>>> I'm low on spare time to experiment and explore what might be exposed
>>> or not, and I no longer have any proprietary microarchitecture
>>> documentation of the core.
>>>
>>> I suggest reaching out to your supplier of the silicon for commercial
>>> support and information, or just going with what I'm sure will be
>>> architecturally generic solutions to the problem when IBM has them
>>> ready.
>>
>> The solution for IBM POWER involves patching the firmware as well as
>> Linux. Without knowledge of the architecture specifics it is not
>> possible to tell if other cores are affected and if the measures
>> implemented by IBM can be used. In fact they probably rely on
>> 64s-specific instructions and are in part implemented in 64s-specific
>> assembly files.
>>
>> So this will not work without support for the specific core either by
>> the vendor or somebody who has knowledge of the architecture details.
>>
>> Thanks
>>
>> Michal
>>
>