Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME)

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On Thu, Dec 06, 2018 at 09:23:20PM +0000, Sakkinen, Jarkko wrote:
> On Thu, 2018-12-06 at 14:22 +0300, Kirill A. Shutemov wrote:
> > When you say "disable encryption to a page" does the encryption get
> > > actually disabled or does the CPU just decrypt it transparently i.e.
> > > what happens physically?
> > 
> > Yes, it gets disabled. Physically. It overrides TME encryption.
> 
> OK, thanks for confirmation. BTW, how much is the penalty to keep it
> always enabled? Is it something that would not make sense for some
> other reasons?

We don't have any numbers to share at this point.

-- 
 Kirill A. Shutemov




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