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echo: rberrypi
to: AHEM A RIVET`S SHOT
from: MARTIN GREGORIE
date: 2020-08-28 18:26:00
subject: Re: Spectre / Meltdown

On Fri, 28 Aug 2020 15:11:20 +0100, Ahem A Rivet's Shot wrote:

> On Fri, 28 Aug 2020 12:38:39 -0000 (UTC)
> Martin Gregorie  wrote:
>
>> I'm really disapointed that there hasn't been more work done on both
>> hardware as OS design to make cross-process interference impossible and
>> to properly implement hardware protection rings to stop
>> application-level code clobbering the OS and the OS from clobbering to
>> low-level drivers.
>
>  It doesn't help when pipelined processor optimisations break the
> barriers.

Another argument in favour of RISC rather than CISC?


--
Martin    | martin at
Gregorie  | gregorie dot org

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