All of lore.kernel.org
 help / color / mirror / Atom feed
From: Pavel Machek <pavel@ucw.cz>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: gregkh@linuxfoundation.org, Andy Lutomirski <luto@kernel.org>,
	Borislav Petkov <bp@suse.de>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	"open list:STAGING SUBSYSTEM" <devel@driverdev.osuosl.org>,
	Ingo Molnar <mingo@kernel.org>,
	Kristen Carlson Accardi <kristen@linux.intel.com>,
	"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
	open list <linux-kernel@vger.kernel.org>,
	Mathias Krause <minipli@googlemail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Wan Zongshun <Vincent.Wan@amd.com>
Subject: Re: [PATCH 0/6] Intel Secure Guard Extensions
Date: Tue, 26 Apr 2016 21:00:10 +0200	[thread overview]
Message-ID: <20160426190009.GC8162@amd> (raw)
In-Reply-To: <1461605698-12385-1-git-send-email-jarkko.sakkinen@linux.intel.com>

On Mon 2016-04-25 20:34:07, Jarkko Sakkinen wrote:
> Intel(R) SGX is a set of CPU instructions that can be used by
> applications to set aside private regions of code and data.  The code
> outside the enclave is disallowed to access the memory inside the
> enclave by the CPU access control.
> 
> The firmware uses PRMRR registers to reserve an area of physical memory
> called Enclave Page Cache (EPC). There is a hardware unit in the
> processor called Memory Encryption Engine. The MEE encrypts and decrypts
> the EPC pages as they enter and leave the processor package.

What are non-evil use cases for this?

									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2016-04-26 19:00 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-25 17:34 [PATCH 0/6] Intel Secure Guard Extensions Jarkko Sakkinen
2016-04-25 17:34 ` [PATCH 1/6] x86: add SGX definition to cpufeature Jarkko Sakkinen
2016-04-25 19:31   ` Andy Lutomirski
2016-04-25 19:48     ` Andi Kleen
2016-04-25 17:34 ` [PATCH 2/6] x86, sgx: common macros and definitions Jarkko Sakkinen
2016-04-25 17:34 ` [PATCH 3/6] intel_sgx: driver for Intel Secure Guard eXtensions Jarkko Sakkinen
2016-04-25 17:55   ` Greg KH
2016-04-25 19:04     ` Jarkko Sakkinen
2016-04-27  6:49   ` Jethro Beekman
2016-04-27 12:40     ` Jarkko Sakkinen
2016-04-27 23:32       ` Jethro Beekman
2016-04-29 20:04         ` Jarkko Sakkinen
2016-04-29 22:22           ` Jethro Beekman
2016-05-09  5:29             ` Jarkko Sakkinen
2016-05-09  7:06               ` Jarkko Sakkinen
2016-04-25 17:34 ` [PATCH 4/6] intel_sgx: ptrace() support for the driver Jarkko Sakkinen
2016-04-25 17:34 ` [PATCH 5/6] intel_sgx: driver documentation Jarkko Sakkinen
2016-04-25 20:01   ` Andy Lutomirski
2016-05-05 22:45     ` Jarkko Sakkinen
2016-05-06  0:52       ` Andy Lutomirski
2016-05-06 11:35         ` Jarkko Sakkinen
2016-05-06 16:24           ` Andy Lutomirski
2016-04-25 17:34 ` [PATCH 6/6] intel_sgx: TODO file for the staging area Jarkko Sakkinen
2016-04-25 17:54   ` Greg KH
2016-04-25 18:56     ` Jarkko Sakkinen
2016-04-25 19:06   ` One Thousand Gnomes
2016-04-25 20:01   ` Andi Kleen
2016-04-26 11:23     ` Jarkko Sakkinen
2016-04-27  6:38       ` Jethro Beekman
2016-05-17  9:38         ` Jarkko Sakkinen
2016-04-25 17:53 ` [PATCH 0/6] Intel Secure Guard Extensions Greg KH
2016-04-25 19:03   ` Jarkko Sakkinen
2016-04-25 19:20     ` Andy Lutomirski
2016-04-26 19:00 ` Pavel Machek [this message]
2016-04-26 19:05   ` Andy Lutomirski
2016-04-26 19:41     ` Pavel Machek
2016-04-26 19:56       ` Andy Lutomirski
2016-04-26 20:11         ` Pavel Machek
2016-04-26 20:59           ` One Thousand Gnomes
2016-04-26 21:52             ` Pavel Machek
2016-04-26 22:35               ` Andy Lutomirski
2016-04-26 22:33           ` Andy Lutomirski
2016-04-27  7:32             ` Pavel Machek
2016-04-27  8:18             ` Ingo Molnar
2016-04-27 14:05               ` Andy Lutomirski
2016-05-06 11:23               ` Jarkko Sakkinen
2016-05-06 16:21                 ` Andy Lutomirski
2016-04-26 20:16         ` One Thousand Gnomes
2016-04-26 20:19       ` One Thousand Gnomes
2016-04-29 20:17   ` Jarkko Sakkinen
2016-05-01  9:40     ` Pavel Machek
2016-05-02 15:37     ` Austin S. Hemmelgarn
2016-05-03  9:06       ` Dr. Greg Wettstein
2016-05-03 15:38         ` Pavel Machek
2016-05-04  9:04           ` Dr. Greg Wettstein
2016-05-04 11:07             ` Pavel Machek
2016-05-06 11:39         ` Jarkko Sakkinen
2016-05-06 11:54           ` Thomas Gleixner
2016-05-09  5:38             ` Jarkko Sakkinen
2016-05-09  6:27               ` Thomas Gleixner
2016-05-09  9:20                 ` Jarkko Sakkinen
2016-05-12  8:50                 ` Dr. Greg Wettstein
2016-05-09  7:04               ` Greg KH
2016-05-09  9:13                 ` Jarkko Sakkinen
2016-05-08  9:58           ` Dr. Greg Wettstein
2016-05-09  1:32             ` Andy Lutomirski
2016-05-13  9:42               ` Dr. Greg Wettstein
2016-05-13 14:09                 ` Andy Lutomirski
2016-05-05 22:52       ` Jarkko Sakkinen
2016-05-06  7:14         ` Pavel Machek
2016-05-06 11:27           ` Jarkko Sakkinen
2016-04-29 22:08   ` Jarkko Sakkinen

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=20160426190009.GC8162@amd \
    --to=pavel@ucw.cz \
    --cc=Vincent.Wan@amd.com \
    --cc=boris.ostrovsky@oracle.com \
    --cc=bp@suse.de \
    --cc=devel@driverdev.osuosl.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=jarkko.sakkinen@linux.intel.com \
    --cc=kristen@linux.intel.com \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=mingo@kernel.org \
    --cc=minipli@googlemail.com \
    --cc=tglx@linutronix.de \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.