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SubjectRe: [PATCH] x86/speculation: Add document to describe Spectre and its mitigations
On Mon 2019-01-14 13:06:24, Jiri Kosina wrote:
> On Mon, 14 Jan 2019, Pavel Machek wrote:
>
> > > > That one really is Intel-specific (not even all x86s are affectd). Same
> > > > for Meltdown.
> > >
> > > At least for Meltdown, your claim is simply not correct.
> >
> > You are right, there may be few ARM chips affected by meltdown.
>
> And some of the powerpc64s as well.

Do you mean this?

https://lkml.org/lkml/2018/1/8/649

Frankly I'd not call it Meltdown, as it works only on data in the
cache, so the defense is completely different. Seems more like a l1tf
:-).

Pavel

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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