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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
	linux-sgx@vger.kernel.org, akpm@linux-foundation.org,
	dave.hansen@intel.com, sean.j.christopherson@intel.com,
	nhorman@redhat.com, npmccallum@redhat.com,
	haitao.huang@intel.com, andriy.shevchenko@linux.intel.com,
	tglx@linutronix.de, kai.svahn@intel.com, josh@joshtriplett.org,
	luto@kernel.org, kai.huang@intel.com, rientjes@google.com,
	cedric.xing@intel.com, puiterwijk@redhat.com,
	Jethro Beekman <jethro@fortanix.com>
Subject: Re: [PATCH v30 02/20] x86/cpufeatures: x86/msr: Intel SGX Launch Control hardware bits
Date: Wed, 20 May 2020 17:04:01 +0300	[thread overview]
Message-ID: <20200520140401.GB34750@linux.intel.com> (raw)
In-Reply-To: <20200520122346.GG1457@zn.tnic>

On Wed, May 20, 2020 at 02:23:47PM +0200, Borislav Petkov wrote:
> 
> > Subject: Re: [PATCH v30 02/20] x86/cpufeatures: x86/msr: Intel SGX Launch Control hardware bits
> 							  ^
> 							Add
> 
> Needs a verb.

"x86/cpufeatures: x86/msr: Add Intel SGX Launch Control hardware bits"

> On Fri, May 15, 2020 at 03:43:52AM +0300, Jarkko Sakkinen wrote:
> > From: Sean Christopherson <sean.j.christopherson@intel.com>
> > 
> > Add X86_FEATURE_SGX_LC, which informs whether or not the CPU supports SGX
> > Launch Control.
> > 
> > Add MSR_IA32_SGXLEPUBKEYHASH{0, 1, 2, 3}, which when combined contain a
> > SHA256 hash of a 3072-bit RSA public key. SGX backed software packages, so
> > called enclaves, are always signed. All enclaves signed with the public key
> > are unconditionally allowed to initialize. [1]
> > 
> > Add FEATURE_CONTROL_SGX_LE_WR bit of the feature control MSR, which informs
> > whether the formentioned MSRs are writable or not. If the bit is off, the
> 
> "aforementioned"
> 
> > public key MSRs are read-only for the OS.

Thanks, fixed.

> Regards/Gruss,
>     Boris.

/Jarkko

  reply	other threads:[~2020-05-20 14:04 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-15  0:43 [PATCH v30 00/20] Intel SGX foundations Jarkko Sakkinen
2020-05-15  0:43 ` [PATCH v30 01/20] x86/cpufeatures: x86/msr: Add Intel SGX hardware bits Jarkko Sakkinen
2020-05-20 12:16   ` Borislav Petkov
2020-05-20 14:00     ` Jarkko Sakkinen
2020-05-15  0:43 ` [PATCH v30 02/20] x86/cpufeatures: x86/msr: Intel SGX Launch Control " Jarkko Sakkinen
2020-05-20 12:23   ` Borislav Petkov
2020-05-20 14:04     ` Jarkko Sakkinen [this message]
2020-05-15  0:43 ` [PATCH v30 03/20] x86/mm: x86/sgx: Signal SIGSEGV with PF_SGX Jarkko Sakkinen
2020-05-15  0:43 ` [PATCH v30 04/20] x86/sgx: Add SGX microarchitectural data structures Jarkko Sakkinen
2020-05-20 18:47   ` Borislav Petkov
2020-05-20 21:04     ` Sean Christopherson
2020-05-22 15:54     ` Jarkko Sakkinen
2020-05-22 16:13       ` Sean Christopherson
2020-05-22 19:50         ` Jarkko Sakkinen
2020-05-25  8:20           ` Borislav Petkov
2020-05-27 19:43             ` Jarkko Sakkinen
2020-05-15  0:43 ` [PATCH v30 05/20] x86/sgx: Add wrappers for ENCLS leaf functions Jarkko Sakkinen
2020-05-15  0:43 ` [PATCH v30 06/20] x86/cpu/intel: Detect SGX support Jarkko Sakkinen
2020-05-15  0:43 ` [PATCH v30 07/20] x86/sgx: Enumerate and track EPC sections Jarkko Sakkinen
2020-05-25  9:23   ` Borislav Petkov
2020-05-27  3:56     ` Sean Christopherson
2020-05-27 20:35       ` Borislav Petkov
2020-05-28  7:36         ` Jarkko Sakkinen
2020-05-28  5:25       ` Jarkko Sakkinen
2020-05-28  5:35         ` Jarkko Sakkinen
2020-05-28  6:14           ` Jarkko Sakkinen
2020-05-28  6:16             ` Jarkko Sakkinen
2020-05-28  5:13     ` Jarkko Sakkinen
2020-05-15  0:43 ` [PATCH v30 08/20] x86/sgx: Add functions to allocate and free EPC pages Jarkko Sakkinen
2020-05-26 12:52   ` Borislav Petkov
2020-05-27  4:21     ` Sean Christopherson
2020-05-27 20:46       ` Borislav Petkov
2020-05-28  0:52         ` Sean Christopherson
2020-05-28  6:51           ` Jarkko Sakkinen
2020-05-28  1:23         ` Jarkko Sakkinen
2020-05-28  1:36           ` Sean Christopherson
2020-05-28  6:52             ` Jarkko Sakkinen
2020-05-28 17:16               ` Borislav Petkov
2020-05-28 17:19                 ` Sean Christopherson
2020-05-28 17:27                   ` Borislav Petkov
2020-05-28 17:34                     ` Sean Christopherson
2020-05-28 19:07                 ` Jarkko Sakkinen
2020-05-28 19:59                   ` Sean Christopherson
2020-05-29  3:28                     ` Jarkko Sakkinen
2020-05-29  3:37                       ` Sean Christopherson
2020-05-29  5:07                         ` Jarkko Sakkinen
2020-05-29  8:12                         ` Jarkko Sakkinen
2020-05-29  8:13                           ` Jarkko Sakkinen
2020-05-29  3:38                       ` Jarkko Sakkinen
2020-05-15  0:43 ` [PATCH v30 09/20] mm: Introduce vm_ops->may_mprotect() Jarkko Sakkinen
2020-05-29 12:10   ` Borislav Petkov
2020-05-29 18:18     ` Jarkko Sakkinen
2020-05-29 18:28   ` Dave Hansen
2020-05-31 23:12     ` Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 10/20] x86/sgx: Linux Enclave Driver Jarkko Sakkinen
2020-05-21 19:12   ` Sean Christopherson
2020-05-22 19:26     ` Jarkko Sakkinen
2020-05-22 19:39     ` Jarkko Sakkinen
2020-05-22  3:33   ` Sean Christopherson
2020-05-15  0:44 ` [PATCH v30 11/20] x86/sgx: Add provisioning Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 12/20] x86/sgx: Add a page reclaimer Jarkko Sakkinen
2020-05-22  6:58   ` Sean Christopherson
2020-05-22 19:57     ` Jarkko Sakkinen
2020-05-22 21:52       ` Sean Christopherson
2020-05-22  7:15   ` Sean Christopherson
2020-05-22 19:47     ` Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 13/20] x86/sgx: ptrace() support for the SGX driver Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 14/20] x86/vdso: Add support for exception fixup in vDSO functions Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 15/20] x86/fault: Add helper function to sanitize error code Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 16/20] x86/traps: Attempt to fixup exceptions in vDSO before signaling Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 17/20] x86/vdso: Implement a vDSO for Intel SGX enclave call Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 18/20] selftests/x86: Add a selftest for SGX Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 19/20] docs: x86/sgx: Document SGX micro architecture and kernel internals Jarkko Sakkinen
2020-05-15  0:44 ` [PATCH v30 20/20] x86/sgx: Update MAINTAINERS Jarkko Sakkinen
2020-05-16  8:57 ` [PATCH] x86/cpu/intel: Add nosgx kernel parameter Jarkko Sakkinen

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