Spectre & Meltdown

Jon Elson elson at pico-systems.com
Thu Jan 4 21:18:39 CST 2018


On 01/04/2018 12:00 PM, Murray McCullough via cctalk wrote:
> This may be off-topic but these latest uprocessor exploits has raised
> a question: Are the 'old/classic' uprocessors using x86 technology in
> the same boat? The very earliest ones, i.e., 1970s and early 80's.
> probably not. How many are actually in use and/or on the Net?
>
>
No, these did not have a translation lookaside buffer or 
memory management.
In fact, they mostly all ran in real mode, no protection.

Jon


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