From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Seth Moore <sethmo@google.com>,
Sean Christopherson <sean.j.christopherson@intel.com>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
linux-sgx@vger.kernel.org, akpm@linux-foundation.org,
dave.hansen@intel.com, nhorman@redhat.com, npmccallum@redhat.com,
"Huang, Haitao" <haitao.huang@intel.com>,
andriy.shevchenko@linux.intel.com, tglx@linutronix.de,
kai.svahn@intel.com, bp@alien8.de, josh@joshtriplett.org,
luto@kernel.org, kai.huang@intel.com,
David Rientjes <rientjes@google.com>,
cedric.xing@intel.com, puiterwijk@redhat.com,
Anna Sapek <asapek@google.com>,
Conrad Parker <conradparker@google.com>,
Keith Moyer <kmoy@google.com>, Yaozhang Xu <yaozhangx@google.com>,
Chen Chen <chenalexchen@google.com>,
Christian Ludloff <ludloff@google.com>,
Carmen Hanish <cyhanish@google.com>,
Kevin Yap <ikeviny@google.com>
Subject: Re: [PATCH v29 00/20] Intel SGX foundations
Date: Fri, 15 May 2020 03:23:45 +0300 [thread overview]
Message-ID: <fdc55706b2d7c0e547a32b958332bba96b29bee7.camel@linux.intel.com> (raw)
In-Reply-To: <CAJsHiNx0jnx_zwCuNecci7opgCkxg-FB8UpYvnmubjWdM3fXZQ@mail.gmail.com>
On Thu, 2020-05-14 at 12:05 -0700, Seth Moore wrote:
> On Fri, May 8, 2020 at 12:08 PM Sean Christopherson
> <sean.j.christopherson@intel.com> wrote:
> > Adding some Google folks to the party.
>
> Thanks, Sean.
>
> > On Wed, Apr 22, 2020 at 12:52:56AM +0300, 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.
> > >
> > > There is a new hardware unit in the processor called Memory Encryption
> > > Engine (MEE) starting from the Skylake microacrhitecture. BIOS can define
> > > one or many MEE regions that can hold enclave data by configuring them with
> > > PRMRR registers.
> > >
> > > The MEE automatically encrypts the data leaving the processor package to
> > > the MEE regions. The data is encrypted using a random key whose life-time
> > > is exactly one power cycle.
> > >
> > > The current implementation requires that the firmware sets
> > > IA32_SGXLEPUBKEYHASH* MSRs as writable so that ultimately the kernel can
> > > decide what enclaves it wants run. The implementation does not create
> > > any bottlenecks to support read-only MSRs later on.
> > >
> > > You can tell if your CPU supports SGX by looking into /proc/cpuinfo:
> > >
> > > cat /proc/cpuinfo | grep sgx
>
> We applied the v29 patches to Linux 5.6.0, then tested on Xeon(R) E-2186G
> with Asylo (http://asylo.dev).
>
> Looks good. All Asylo tests pass.
>
> Tested-by: Seth Moore <sethmo@google.com>
Thanks.
/Jarkko
next prev parent reply other threads:[~2020-05-15 0:24 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-21 21:52 [PATCH v29 00/20] Intel SGX foundations Jarkko Sakkinen
2020-04-21 21:52 ` [PATCH v29 01/20] x86/sgx: Update MAINTAINERS Jarkko Sakkinen
2020-04-21 21:52 ` [PATCH v29 02/20] x86/cpufeatures: x86/msr: Add Intel SGX hardware bits Jarkko Sakkinen
2020-04-21 21:52 ` [PATCH v29 03/20] x86/cpufeatures: x86/msr: Intel SGX Launch Control " Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 04/20] x86/mm: x86/sgx: Signal SIGSEGV with PF_SGX Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 05/20] x86/sgx: Add SGX microarchitectural data structures Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 06/20] x86/sgx: Add wrappers for ENCLS leaf functions Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 07/20] x86/cpu/intel: Detect SGX support Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 08/20] x86/sgx: Enumerate and track EPC sections Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 09/20] x86/sgx: Add functions to allocate and free EPC pages Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 10/20] mm: Introduce vm_ops->may_mprotect() Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 11/20] x86/sgx: Linux Enclave Driver Jarkko Sakkinen
2020-05-08 19:09 ` Sean Christopherson
2020-04-21 21:53 ` [PATCH v29 12/20] x86/sgx: Add provisioning Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 13/20] x86/sgx: Add a page reclaimer Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 14/20] x86/sgx: ptrace() support for the SGX driver Jarkko Sakkinen
2020-05-06 21:50 ` Sean Christopherson
2020-05-13 21:40 ` Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 15/20] x86/vdso: Add support for exception fixup in vDSO functions Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 16/20] x86/fault: Add helper function to sanitize error code Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 17/20] x86/traps: Attempt to fixup exceptions in vDSO before signaling Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 18/20] x86/vdso: Implement a vDSO for Intel SGX enclave call Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 19/20] selftests/x86: Add a selftest for SGX Jarkko Sakkinen
2020-04-21 21:53 ` [PATCH v29 20/20] docs: x86/sgx: Document SGX micro architecture and kernel internals Jarkko Sakkinen
2020-04-22 16:48 ` [PATCH v29 00/20] Intel SGX foundations Connor Kuehl
2020-04-29 5:22 ` Jarkko Sakkinen
2020-04-26 16:57 ` Dr. Greg
2020-04-29 5:23 ` Jarkko Sakkinen
2020-04-29 15:14 ` Sean Christopherson
2020-04-30 3:59 ` Jarkko Sakkinen
2020-05-02 23:05 ` Dr. Greg
2020-05-03 0:48 ` Andy Lutomirski
2020-05-04 9:34 ` Dr. Greg
2020-04-29 15:30 ` Sean Christopherson
2020-05-08 0:40 ` Andy Lutomirski
2020-05-07 0:41 ` Thomas Gleixner
2020-05-08 19:02 ` Dr. Greg
2020-05-08 19:56 ` Sean Christopherson
2020-05-14 9:16 ` Dr. Greg
2020-05-14 16:15 ` Sean Christopherson
2020-05-14 16:20 ` Borislav Petkov
2020-05-14 19:29 ` Thomas Gleixner
2020-05-15 9:28 ` Jarkko Sakkinen
2020-05-15 9:42 ` Borislav Petkov
2020-05-15 16:24 ` Jarkko Sakkinen
2020-05-15 0:09 ` Jarkko Sakkinen
2020-05-15 19:54 ` Nathaniel McCallum
2020-05-16 9:58 ` Jarkko Sakkinen
2020-05-24 21:27 ` Pavel Machek
2020-05-26 8:16 ` David Laight
2020-04-26 17:03 ` Dr. Greg
2020-04-29 15:27 ` Jethro Beekman
2020-04-30 3:46 ` Jarkko Sakkinen
2020-04-30 7:19 ` Jethro Beekman
2020-04-30 8:23 ` Jarkko Sakkinen
2020-04-30 14:12 ` Jethro Beekman
2020-05-06 12:16 ` Jarkko Sakkinen
2020-05-06 16:39 ` Jordan Hand
2020-05-07 18:06 ` Dr. Greg
2020-05-08 16:16 ` Jordan Hand
2020-05-13 23:09 ` Jarkko Sakkinen
2020-05-06 21:42 ` Nathaniel McCallum
2020-05-06 22:14 ` Sean Christopherson
2020-05-07 5:02 ` Haitao Huang
2020-05-07 16:49 ` Nathaniel McCallum
2020-05-07 19:34 ` Sean Christopherson
2020-05-07 22:35 ` Haitao Huang
2020-05-08 0:25 ` Sean Christopherson
2020-05-28 11:15 ` Jarkko Sakkinen
2020-05-28 11:19 ` Jarkko Sakkinen
2020-05-07 22:31 ` Haitao Huang
2020-05-13 22:14 ` Jarkko Sakkinen
2020-05-13 22:18 ` Jarkko Sakkinen
2020-05-14 6:31 ` Jethro Beekman
2020-05-14 19:30 ` Thomas Gleixner
2020-05-15 0:22 ` Jarkko Sakkinen
2020-05-08 19:08 ` Sean Christopherson
2020-05-14 19:05 ` Seth Moore
2020-05-15 0:23 ` Jarkko Sakkinen [this message]
2020-05-12 11:55 ` Hui, Chunyang
2020-05-12 16:51 ` Dr. Greg
2020-05-14 10:49 ` Jarkko Sakkinen
2020-05-16 8:53 ` [PATCH] x86/cpu/intel: Add nosgx kernel parameter Jarkko Sakkinen
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