From: Alison Schofield <alison.schofield@intel.com>
To: dhowells@redhat.com, tglx@linutronix.de
Cc: jmorris@namei.org, mingo@redhat.com, hpa@zytor.com, bp@alien8.de,
luto@kernel.org, peterz@infradead.org,
kirill.shutemov@linux.intel.com, 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: [RFC v2 00/13] Multi-Key Total Memory Encryption API (MKTME)
Date: Mon, 3 Dec 2018 23:39:47 -0800 [thread overview]
Message-ID: <cover.1543903910.git.alison.schofield@intel.com> (raw)
Hi Thomas, David,
Here is an updated RFC on the API's to support MKTME.
(Multi-Key Total Memory Encryption)
This RFC presents the 2 API additions to support the creation and
usage of memory encryption keys:
1) Kernel Key Service type "mktme"
2) System call encrypt_mprotect()
This patchset is built upon Kirill Shutemov's work for the core MKTME
support.
David: Please let me know if the changes made, based on your review,
are reasonable. I don't think that the new changes touch key service
specific areas (much).
Thomas: Please provide feedback on encrypt_mprotect(). If not a
review, then a direction check would be helpful.
I picked up a few more 'CCs this time in get_maintainer!
Thanks!
Alison
Changes in RFC2
Add a preparser to mktme key service. (dhowells)
Replace key serial no. with key struct point in mktme_map. (dhowells)
Remove patch that inserts a special MKTME case in keyctl revoke. (dhowells)
Updated key usage syntax in the documentation (Kai)
Replaced NO_PKEY, NO_KEYID with a single constant NO_KEY. (Jarkko)
Clarified comments in changelog and code. (Jarkko)
Add clear, no-encrypt, and update key support.
Add mktme_savekeys (Patch 12 ) to give kernel permission to save key data.
Add cpu hotplug support. (Patch 13)
Alison Schofield (13):
x86/mktme: Document the MKTME APIs
mm: Generalize the mprotect implementation to support extensions
syscall/x86: Wire up a new system call for memory encryption keys
x86/mm: Add helper functions for MKTME memory encryption keys
x86/mm: Set KeyIDs in encrypted VMAs
mm: Add the encrypt_mprotect() system call
x86/mm: Add helpers for reference counting encrypted VMAs
mm: Use reference counting for encrypted VMAs
mm: Restrict memory encryption to anonymous VMA's
keys/mktme: Add the MKTME Key Service type for memory encryption
keys/mktme: Program memory encryption keys on a system wide basis
keys/mktme: Save MKTME data if kernel cmdline parameter allows
keys/mktme: Support CPU Hotplug for MKTME keys
Documentation/admin-guide/kernel-parameters.rst | 1 +
Documentation/admin-guide/kernel-parameters.txt | 11 +
Documentation/x86/mktme/index.rst | 11 +
Documentation/x86/mktme/mktme_demo.rst | 53 +++
Documentation/x86/mktme/mktme_encrypt.rst | 58 +++
Documentation/x86/mktme/mktme_keys.rst | 109 +++++
Documentation/x86/mktme/mktme_overview.rst | 60 +++
arch/x86/Kconfig | 1 +
arch/x86/entry/syscalls/syscall_32.tbl | 1 +
arch/x86/entry/syscalls/syscall_64.tbl | 1 +
arch/x86/include/asm/mktme.h | 25 +
arch/x86/mm/mktme.c | 179 ++++++++
fs/exec.c | 4 +-
include/keys/mktme-type.h | 41 ++
include/linux/key.h | 2 +
include/linux/mm.h | 11 +-
include/linux/syscalls.h | 2 +
include/uapi/asm-generic/unistd.h | 4 +-
kernel/fork.c | 2 +
kernel/sys_ni.c | 2 +
mm/mprotect.c | 91 +++-
security/keys/Kconfig | 11 +
security/keys/Makefile | 1 +
security/keys/mktme_keys.c | 580 ++++++++++++++++++++++++
24 files changed, 1249 insertions(+), 12 deletions(-)
create mode 100644 Documentation/x86/mktme/index.rst
create mode 100644 Documentation/x86/mktme/mktme_demo.rst
create mode 100644 Documentation/x86/mktme/mktme_encrypt.rst
create mode 100644 Documentation/x86/mktme/mktme_keys.rst
create mode 100644 Documentation/x86/mktme/mktme_overview.rst
create mode 100644 include/keys/mktme-type.h
create mode 100644 security/keys/mktme_keys.c
--
2.14.1
next reply other threads:[~2018-12-04 7:37 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-04 7:39 Alison Schofield [this message]
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
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=cover.1543903910.git.alison.schofield@intel.com \
--to=alison.schofield@intel.com \
--cc=bp@alien8.de \
--cc=dan.j.williams@intel.com \
--cc=dave.hansen@intel.com \
--cc=dhowells@redhat.com \
--cc=hpa@zytor.com \
--cc=jarkko.sakkinen@intel.com \
--cc=jmorris@namei.org \
--cc=jun.nakajima@intel.com \
--cc=kai.huang@intel.com \
--cc=keyrings@vger.kernel.org \
--cc=kirill.shutemov@linux.intel.com \
--cc=linux-mm@kvack.org \
--cc=linux-security-module@vger.kernel.org \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=peterz@infradead.org \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).