Re: [patch 3/8] MDS basics 3

On Tue, 19 Feb 2019, speck for Thomas Gleixner wrote:
> 
> Please provide a conclusive technical explanation why a NMI entered from
> user space and returning to that would expose sensible information to an
> attacker in an exploitable way.

And while at it, please provide explanations why this does not apply for
exceptions which hit the paranoid section, i.e. in the middle of returning
to user space where the regular exit path cannot be invoked.

Thanks,

	tglx