From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Alison Schofield <alison.schofield@intel.com>,
dhowells@redhat.com, tglx@linutronix.de, jmorris@namei.org,
mingo@redhat.com, hpa@zytor.com, bp@alien8.de, luto@kernel.org,
dave.hansen@intel.com, kai.huang@intel.com,
jun.nakajima@intel.com, dan.j.williams@intel.com,
jarkko.sakkinen@intel.com, keyrings@vger.kernel.org,
linux-security-module@vger.kernel.org, linux-mm@kvack.org,
x86@kernel.org
Subject: Re: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME)
Date: Tue, 4 Dec 2018 12:46:47 +0300 [thread overview]
Message-ID: <20181204094647.tjsvwjgp3zq6yqce@black.fi.intel.com> (raw)
In-Reply-To: <20181204092550.GT11614@hirez.programming.kicks-ass.net>
On Tue, Dec 04, 2018 at 09:25:50AM +0000, Peter Zijlstra wrote:
> On Mon, Dec 03, 2018 at 11:39:47PM -0800, Alison Schofield wrote:
> > (Multi-Key Total Memory Encryption)
>
> I think that MKTME is a horrible name, and doesn't appear to accurately
> describe what it does either. Specifically the 'total' seems out of
> place, it doesn't require all memory to be encrypted.
MKTME implies TME. TME is enabled by BIOS and it encrypts all memory with
CPU-generated key. MKTME allows to use other keys or disable encryption
for a page.
But, yes, name is not good.
--
Kirill A. Shutemov
next prev parent reply other threads:[~2018-12-04 9:46 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-04 7:39 [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) Alison Schofield
2018-12-04 7:39 ` [RFC v2 01/13] x86/mktme: Document the MKTME APIs Alison Schofield
2018-12-05 18:11 ` Andy Lutomirski
2018-12-05 19:22 ` Alison Schofield
2018-12-05 23:35 ` Andy Lutomirski
2018-12-06 8:04 ` Sakkinen, Jarkko
2018-12-04 7:39 ` [RFC v2 02/13] mm: Generalize the mprotect implementation to support extensions Alison Schofield
2018-12-06 8:08 ` Sakkinen, Jarkko
2018-12-04 7:39 ` [RFC v2 03/13] syscall/x86: Wire up a new system call for memory encryption keys Alison Schofield
2018-12-04 7:39 ` [RFC v2 04/13] x86/mm: Add helper functions for MKTME " Alison Schofield
2018-12-04 9:14 ` Peter Zijlstra
2018-12-05 5:49 ` Alison Schofield
2018-12-04 15:35 ` Andy Lutomirski
2018-12-05 5:52 ` Alison Schofield
2018-12-06 8:31 ` Sakkinen, Jarkko
2018-12-04 7:39 ` [RFC v2 05/13] x86/mm: Set KeyIDs in encrypted VMAs Alison Schofield
2018-12-06 8:37 ` Sakkinen, Jarkko
2018-12-04 7:39 ` [RFC v2 06/13] mm: Add the encrypt_mprotect() system call Alison Schofield
2018-12-06 8:38 ` Sakkinen, Jarkko
2018-12-04 7:39 ` [RFC v2 07/13] x86/mm: Add helpers for reference counting encrypted VMAs Alison Schofield
2018-12-04 8:58 ` Peter Zijlstra
2018-12-05 5:28 ` Alison Schofield
2018-12-04 7:39 ` [RFC v2 08/13] mm: Use reference counting for " Alison Schofield
2018-12-04 7:39 ` [RFC v2 09/13] mm: Restrict memory encryption to anonymous VMA's Alison Schofield
2018-12-04 9:10 ` Peter Zijlstra
2018-12-05 5:30 ` Alison Schofield
2018-12-05 9:07 ` Peter Zijlstra
2018-12-04 7:39 ` [RFC v2 10/13] keys/mktme: Add the MKTME Key Service type for memory encryption Alison Schofield
2018-12-06 8:51 ` Sakkinen, Jarkko
2018-12-06 8:54 ` Sakkinen, Jarkko
2018-12-06 15:11 ` Dave Hansen
2018-12-06 22:56 ` Sakkinen, Jarkko
2018-12-04 7:39 ` [RFC v2 11/13] keys/mktme: Program memory encryption keys on a system wide basis Alison Schofield
2018-12-04 9:21 ` Peter Zijlstra
2018-12-04 9:50 ` Kirill A. Shutemov
2018-12-05 5:44 ` Alison Schofield
2018-12-05 5:43 ` Alison Schofield
2018-12-05 9:10 ` Peter Zijlstra
2018-12-05 17:26 ` Alison Schofield
2018-12-04 7:39 ` [RFC v2 12/13] keys/mktme: Save MKTME data if kernel cmdline parameter allows Alison Schofield
2018-12-04 9:22 ` Peter Zijlstra
2018-12-07 2:14 ` Huang, Kai
2018-12-07 3:42 ` Alison Schofield
2018-12-07 6:39 ` Jarkko Sakkinen
2018-12-07 6:45 ` Jarkko Sakkinen
2018-12-07 11:47 ` Kirill A. Shutemov
2018-12-04 7:40 ` [RFC v2 13/13] keys/mktme: Support CPU Hotplug for MKTME keys Alison Schofield
2018-12-04 9:28 ` Peter Zijlstra
2018-12-05 5:32 ` Alison Schofield
2018-12-04 9:31 ` Peter Zijlstra
2018-12-05 5:36 ` Alison Schofield
2018-12-04 9:25 ` [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME) Peter Zijlstra
2018-12-04 9:46 ` Kirill A. Shutemov [this message]
2018-12-05 20:32 ` Sakkinen, Jarkko
2018-12-06 11:22 ` Kirill A. Shutemov
2018-12-06 14:59 ` Dave Hansen
2018-12-07 10:12 ` Huang, Kai
2018-12-06 21:23 ` Sakkinen, Jarkko
2018-12-07 11:54 ` Kirill A. Shutemov
2018-12-04 19:19 ` Andy Lutomirski
2018-12-04 20:00 ` Andy Lutomirski
2018-12-04 20:32 ` Dave Hansen
2018-12-05 22:19 ` Sakkinen, Jarkko
2018-12-07 2:05 ` Huang, Kai
2018-12-07 6:48 ` Jarkko Sakkinen
2018-12-07 11:57 ` Kirill A. Shutemov
2018-12-07 21:59 ` Sakkinen, Jarkko
2018-12-07 23:45 ` Sakkinen, Jarkko
2018-12-07 23:48 ` Andy Lutomirski
2018-12-08 1:33 ` Huang, Kai
2018-12-08 3:53 ` Sakkinen, Jarkko
2018-12-12 15:31 ` Sakkinen, Jarkko
2018-12-12 16:29 ` Andy Lutomirski
2018-12-12 16:43 ` Sakkinen, Jarkko
2018-12-12 23:27 ` Huang, Kai
2018-12-13 5:49 ` Sakkinen, Jarkko
2018-12-13 5:52 ` Sakkinen, Jarkko
2018-12-12 23:24 ` Huang, Kai
2018-12-07 23:35 ` Eric Rannaud
2018-12-05 23:49 ` Dave Hansen
2018-12-06 1:09 ` Andy Lutomirski
2018-12-06 1:25 ` Dan Williams
2018-12-06 15:39 ` Dave Hansen
2018-12-06 19:10 ` Andy Lutomirski
2018-12-06 19:31 ` Dave Hansen
2018-12-07 1:55 ` Huang, Kai
2018-12-07 4:23 ` Dave Hansen
2018-12-07 23:53 ` Andy Lutomirski
2018-12-08 1:11 ` Dave Hansen
2018-12-08 2:07 ` Huang, Kai
2018-12-05 20:30 ` Sakkinen, Jarkko
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