[Cerowrt-devel] KASLR: Do we have to worry about other arches than x86?

[Dave Taht]

On Thu, Jan 4, 2018 at 6:49 AM, Jonathan Morton <chromatix99 at gmail.com> wrote:
>> On 4 Jan, 2018, at 3:59 pm, Dave Taht <dave.taht at gmail.com> wrote:
>>
>> Alan cox has been doing a good job of finding the good stuff. Power
>> and the IBM z-series are also affected.
>
> Conversely, the ARM-1176, Cortex-A7 and Cortex-A53 cores used by various iterations of the Raspberry Pi are not affected.  These are all in-order execution CPUs with short pipelines, and I think they're representative of what you'd want in CPE.

Well, I'd hope that this string of bugs stalls deployment of more
advanced arches in this space until the speculative execution bugs are
fully resolved.

(and I *vastly* prefer short pipelines)

>  - Jonathan Morton
>



-- 

Dave Täht
CEO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-669-226-2619