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Re: Meltdown / Spectre


From: Tobias Geerinckx-Rice
Subject: Re: Meltdown / Spectre
Date: Mon, 8 Jan 2018 23:01:20 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0

I should probably have written what I thought:

Tobias Geerinckx-Rice wrote on 08/01/18 at 22:51:
> AIUI, at least on x86 CPUs, the microcode *is* a large and/or functional
> part of the processor...

...but it's initially included in ROM. Only when bugs are found in that
copy does a user-provided ‘update’ (at every boot) become needed.

Kind regards,

T G-R

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