Re: [PATCH] x86/speculation: Add document to describe Spectre and its mitigations

[Pavel Machek]

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

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