Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME)
From: Kirill A. Shutemov <hidden>
Date: 2018-12-07 11:54:37
Also in:
keyrings, linux-mm
From: Kirill A. Shutemov <hidden>
Date: 2018-12-07 11:54:37
Also in:
keyrings, linux-mm
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:quoted
When you say "disable encryption to a page" does the encryption getquoted
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