Re: [patch RFC 5/5] x86/speculation: Add basic speculation control code

From: Jiri Kosina
Date: Wed Jan 10 2018 - 08:10:29 EST


On Wed, 10 Jan 2018, Andrea Arcangeli wrote:

> Which in current silicon IBP speculation is turned off always,

So this is clearly the source of confusion.

If that's the case, what you are saying makes sense. Where is this
information coming from? It definitely is not in the Intel documentation
I've seen.

Thanks,

--
Jiri Kosina
SUSE Labs