From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>,
Dave Hansen <dave.hansen@intel.com>, X86 ML <x86@kernel.org>,
Platform Driver <platform-driver-x86@vger.kernel.org>,
linux-sgx@vger.kernel.org, nhorman@redhat.com,
npmccallum@redhat.com, "Ayoun, Serge" <serge.ayoun@intel.com>,
shay.katz-zamir@intel.com,
Haitao Huang <haitao.huang@linux.intel.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
"Svahn, Kai" <kai.svahn@intel.com>,
mark.shanahan@intel.com,
Suresh Siddha <suresh.b.siddha@intel.com>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Darren Hart <dvhart@infradead.org>,
Andy Shevchenko <andy@infradead.org>,
"open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v17 18/23] platform/x86: Intel SGX driver
Date: Wed, 19 Dec 2018 07:24:27 +0200 [thread overview]
Message-ID: <20181219052427.GA15535@linux.intel.com> (raw)
In-Reply-To: <20181219044732.GB14295@linux.intel.com>
On Wed, Dec 19, 2018 at 06:47:32AM +0200, Jarkko Sakkinen wrote:
> On Tue, Dec 18, 2018 at 07:44:18AM -0800, Sean Christopherson wrote:
> > My fd/inode knowledge is lacking, to say the least. Whatever works, so
> > long as we have a way to uniquely identify enclaves.
>
> I will simply trial and error :-) I think it should work since it does
> own an address space, but yeah, testing will tell. We can go also with
> anon inode if required.
I think this can be concluded with the fact that it is nice to be able
to multiplex the dev fd. That is the key reason for using anon inode.
You KVM comment locks the decision here.
/Jarkko
next prev parent reply other threads:[~2018-12-19 5:24 UTC|newest]
Thread overview: 155+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20181116010412.23967-1-jarkko.sakkinen@linux.intel.com>
2018-11-16 1:01 ` [PATCH v17 01/23] x86/sgx: Update MAINTAINERS Jarkko Sakkinen
2018-11-16 14:22 ` Borislav Petkov
2018-11-16 15:07 ` Jarkko Sakkinen
2018-11-16 20:24 ` Borislav Petkov
2018-11-18 8:20 ` Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 02/23] x86/cpufeatures: Add Intel-defined SGX feature bit Jarkko Sakkinen
2018-11-16 14:28 ` Borislav Petkov
2018-11-16 15:13 ` Jarkko Sakkinen
2018-11-16 15:18 ` Jarkko Sakkinen
2018-11-16 20:53 ` Borislav Petkov
2018-11-16 1:01 ` [PATCH v17 03/23] x86/cpufeatures: Add SGX sub-features (as Linux-defined bits) Jarkko Sakkinen
2018-11-16 14:37 ` Borislav Petkov
2018-11-16 15:38 ` Sean Christopherson
2018-11-16 23:31 ` Dave Hansen
2018-11-18 8:36 ` Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 04/23] x86/msr: Add IA32_FEATURE_CONTROL.SGX_ENABLE definition Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 05/23] x86/cpufeatures: Add Intel-defined SGX_LC feature bit Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 06/23] x86/cpu/intel: Detect SGX support and update caps appropriately Jarkko Sakkinen
2018-11-16 23:32 ` Dave Hansen
2018-11-18 8:37 ` Jarkko Sakkinen
2018-11-21 18:17 ` Borislav Petkov
2018-11-24 13:54 ` Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 07/23] x86/mm: x86/sgx: Add new 'PF_SGX' page fault error code bit Jarkko Sakkinen
2018-11-16 23:33 ` Dave Hansen
2018-11-18 8:38 ` Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 08/23] x86/mm: x86/sgx: Signal SIGSEGV for userspace #PFs w/ PF_SGX Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 09/23] x86/sgx: Define SGX1 and SGX2 ENCLS leafs Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 10/23] x86/sgx: Add ENCLS architectural error codes Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 11/23] x86/sgx: Add SGX1 and SGX2 architectural data structures Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 12/23] x86/sgx: Add definitions for SGX's CPUID leaf and variable sub-leafs Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 13/23] x86/msr: Add SGX Launch Control MSR definitions Jarkko Sakkinen
2018-11-16 17:29 ` Sean Christopherson
2018-11-18 8:19 ` Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 14/23] x86/sgx: Add wrappers for ENCLS leaf functions Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 15/23] x86/sgx: Enumerate and track EPC sections Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 16/23] x86/sgx: Add functions to allocate and free EPC pages Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 17/23] x86/sgx: Add sgx_einit() for initializing enclaves Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 18/23] platform/x86: Intel SGX driver Jarkko Sakkinen
2018-11-16 1:37 ` Randy Dunlap
2018-11-16 11:23 ` Jarkko Sakkinen
2018-11-19 15:06 ` Jarkko Sakkinen
2018-11-19 16:22 ` Jethro Beekman
2018-11-19 17:19 ` Jarkko Sakkinen
2018-11-19 18:18 ` Andy Lutomirski
2018-11-20 11:00 ` Jarkko Sakkinen
2018-11-19 15:29 ` Andy Lutomirski
2018-11-19 16:19 ` Jarkko Sakkinen
2018-11-19 16:59 ` Andy Lutomirski
2018-11-20 12:04 ` Jarkko Sakkinen
2018-11-22 11:12 ` Dr. Greg
2018-11-22 15:21 ` Andy Lutomirski
2018-11-24 17:21 ` Jarkko Sakkinen
2018-11-24 20:13 ` Dr. Greg
2018-11-26 21:15 ` Jarkko Sakkinen
2018-11-25 14:53 ` Jarkko Sakkinen
2018-11-25 16:22 ` Andy Lutomirski
2018-11-25 18:55 ` Dr. Greg
2018-11-25 23:51 ` Jarkko Sakkinen
[not found] ` <D45BC005-5064-4C75-B486-4E43C454E2F6@amacapital.net>
2018-11-26 0:37 ` Andy Lutomirski
2018-11-26 11:00 ` Dr. Greg
2018-11-26 18:22 ` Andy Lutomirski
2018-11-26 22:16 ` Jarkko Sakkinen
2018-11-26 21:51 ` Jarkko Sakkinen
2018-11-26 23:04 ` Jarkko Sakkinen
2018-11-27 8:55 ` Dr. Greg
2018-11-27 16:41 ` Jarkko Sakkinen
2018-11-27 17:55 ` Andy Lutomirski
2018-11-28 10:49 ` Dr. Greg
2018-11-28 19:22 ` Jarkko Sakkinen
2018-12-10 10:49 ` Dr. Greg
2018-12-12 18:00 ` Jarkko Sakkinen
2018-12-14 23:59 ` Dr. Greg
2018-12-15 0:06 ` Sean Christopherson
2018-12-15 23:22 ` Dr. Greg
2018-12-17 14:27 ` Sean Christopherson
2018-12-17 13:28 ` Jarkko Sakkinen
2018-12-17 13:39 ` Jarkko Sakkinen
2018-12-17 14:08 ` Jarkko Sakkinen
2018-12-17 14:13 ` Jarkko Sakkinen
2018-12-17 16:34 ` Dr. Greg
2018-12-17 17:31 ` Sean Christopherson
2018-12-17 17:49 ` Jarkko Sakkinen
2018-12-17 18:09 ` Sean Christopherson
2018-12-17 18:23 ` Jarkko Sakkinen
2018-12-17 18:46 ` Sean Christopherson
2018-12-17 19:36 ` Jarkko Sakkinen
2018-11-27 16:46 ` Jarkko Sakkinen
2018-11-28 21:52 ` Andy Lutomirski
2018-11-22 20:56 ` Andy Lutomirski
2018-11-23 10:39 ` Dr. Greg
2018-11-24 16:45 ` Jarkko Sakkinen
2018-11-28 5:08 ` Jarkko Sakkinen
2018-12-09 17:01 ` Pavel Machek
2018-11-20 11:15 ` Dr. Greg
2018-11-24 16:15 ` Jarkko Sakkinen
2018-11-24 19:24 ` Dr. Greg
2018-11-26 19:39 ` Jarkko Sakkinen
2018-12-09 17:01 ` Pavel Machek
2018-12-10 14:46 ` Dr. Greg
2018-12-17 17:45 ` Dave Hansen
2018-12-17 18:01 ` Jarkko Sakkinen
2018-12-17 18:07 ` Dave Hansen
2018-12-17 18:31 ` Jarkko Sakkinen
2018-12-17 18:36 ` Sean Christopherson
2018-12-17 18:43 ` Jarkko Sakkinen
2018-12-17 18:47 ` Dave Hansen
2018-12-17 19:12 ` Andy Lutomirski
2018-12-17 19:17 ` Dave Hansen
2018-12-17 19:25 ` Andy Lutomirski
2018-12-17 19:54 ` Jarkko Sakkinen
2018-12-17 19:49 ` Jarkko Sakkinen
2018-12-17 19:53 ` Dave Hansen
2018-12-17 19:55 ` Andy Lutomirski
2018-12-17 20:03 ` Dave Hansen
2018-12-17 20:10 ` Andy Lutomirski
2018-12-17 20:15 ` Dave Hansen
2018-12-17 22:36 ` Sean Christopherson
2018-12-18 1:40 ` Jarkko Sakkinen
2018-12-17 22:20 ` Sean Christopherson
2018-12-18 1:39 ` Jarkko Sakkinen
2018-12-18 3:27 ` Jarkko Sakkinen
2018-12-18 5:02 ` Andy Lutomirski
2018-12-18 13:27 ` Jarkko Sakkinen
2018-12-18 4:55 ` Andy Lutomirski
2018-12-18 13:18 ` Jarkko Sakkinen
2018-12-18 4:59 ` Andy Lutomirski
2018-12-18 13:11 ` Jarkko Sakkinen
2018-12-18 15:44 ` Sean Christopherson
2018-12-18 18:53 ` Sean Christopherson
2018-12-19 5:00 ` Jarkko Sakkinen
2018-12-19 5:13 ` Jarkko Sakkinen
2018-12-21 18:28 ` Sean Christopherson
2018-12-22 0:01 ` Jarkko Sakkinen
2018-12-19 4:47 ` Jarkko Sakkinen
2018-12-19 5:24 ` Jarkko Sakkinen [this message]
2018-12-18 1:17 ` Jarkko Sakkinen
2018-12-18 1:31 ` Jarkko Sakkinen
2018-12-17 18:48 ` Sean Christopherson
2018-12-17 19:09 ` Dave Hansen
2018-12-17 19:37 ` Jarkko Sakkinen
2018-12-17 19:40 ` Dave Hansen
2018-12-17 19:33 ` Jarkko Sakkinen
2018-12-17 20:21 ` Jarkko Sakkinen
2018-12-18 13:13 ` Jarkko Sakkinen
2018-12-18 15:46 ` Sean Christopherson
2018-12-18 5:55 ` Andy Lutomirski
2018-12-19 5:22 ` Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 19/23] platform/x86: sgx: Add swapping functionality to the " Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 20/23] x86/sgx: Add a simple swapper for the EPC memory manager Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 21/23] platform/x86: ptrace() support for the SGX driver Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 22/23] x86/sgx: SGX documentation Jarkko Sakkinen
2018-12-03 3:28 ` Randy Dunlap
2018-12-03 9:32 ` Jarkko Sakkinen
2018-11-16 1:01 ` [PATCH v17 23/23] selftests/x86: Add a selftest for SGX Jarkko Sakkinen
2018-11-16 11:17 ` [PATCH v17 00/23] Intel SGX1 support Jarkko Sakkinen
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