From: Dave Hansen <dave.hansen@intel.com> To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>, x86@kernel.org, platform-driver-x86@vger.kernel.org Cc: sean.j.christopherson@intel.com, nhorman@redhat.com, npmccallum@redhat.com, linux-sgx@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <linux-kernel@vger.kernel.org> Subject: Re: [PATCH v13 04/13] x86/sgx: Architectural structures Date: Mon, 27 Aug 2018 12:41:29 -0700 [thread overview] Message-ID: <3e8cf7d4-0d84-9526-816a-a2da30d81de7@intel.com> (raw) In-Reply-To: <20180827185507.17087-5-jarkko.sakkinen@linux.intel.com> > +/** > + * enum sgx_encls_leaves - return codes for ENCLS, ENCLU and ENCLV > + * %SGX_SUCCESS: No error. > + * %SGX_INVALID_SIG_STRUCT: SIGSTRUCT contains an invalid value. > + * %SGX_INVALID_ATTRIBUTE: Enclave is not attempting to access a resource > + * for which it is not authorized. > + * %SGX_BLKSTATE: EPC page is already blocked. > + * %SGX_INVALID_MEASUREMENT: SIGSTRUCT or EINITTOKEN contains an incorrect > + * measurement. ... > +enum sgx_return_codes { > + SGX_SUCCESS = 0, > + SGX_INVALID_SIG_STRUCT = 1, > + SGX_INVALID_ATTRIBUTE = 2, > + SGX_BLKSTATE = 3, > + SGX_INVALID_MEASUREMENT = 4, ... I don't think I've ever seen this particular method of commenting before. It's rather verbose and duplicates the names twice, which seems a bit silly. Can you talk a bit about why you chose to do it this way? I'd personally much rather see at least some brief comments inline with the definitions.
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@intel.com> To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>, <x86@kernel.org>, <platform-driver-x86@vger.kernel.org> Cc: <sean.j.christopherson@intel.com>, <nhorman@redhat.com>, <npmccallum@redhat.com>, <linux-sgx@vger.kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <linux-kernel@vger.kernel.org> Subject: Re: [PATCH v13 04/13] x86/sgx: Architectural structures Date: Mon, 27 Aug 2018 12:41:29 -0700 [thread overview] Message-ID: <3e8cf7d4-0d84-9526-816a-a2da30d81de7@intel.com> (raw) In-Reply-To: <20180827185507.17087-5-jarkko.sakkinen@linux.intel.com> > +/** > + * enum sgx_encls_leaves - return codes for ENCLS, ENCLU and ENCLV > + * %SGX_SUCCESS: No error. > + * %SGX_INVALID_SIG_STRUCT: SIGSTRUCT contains an invalid value. > + * %SGX_INVALID_ATTRIBUTE: Enclave is not attempting to access a resource > + * for which it is not authorized. > + * %SGX_BLKSTATE: EPC page is already blocked. > + * %SGX_INVALID_MEASUREMENT: SIGSTRUCT or EINITTOKEN contains an incorrect > + * measurement. ... > +enum sgx_return_codes { > + SGX_SUCCESS = 0, > + SGX_INVALID_SIG_STRUCT = 1, > + SGX_INVALID_ATTRIBUTE = 2, > + SGX_BLKSTATE = 3, > + SGX_INVALID_MEASUREMENT = 4, ... I don't think I've ever seen this particular method of commenting before. It's rather verbose and duplicates the names twice, which seems a bit silly. Can you talk a bit about why you chose to do it this way? I'd personally much rather see at least some brief comments inline with the definitions.
next prev parent reply other threads:[~2018-08-27 19:41 UTC|newest] Thread overview: 259+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-08-27 18:53 [PATCH v13 00/13] Intel SGX1 support Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 01/13] x86/sgx: Update MAINTAINERS Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-09-03 12:56 ` Andy Shevchenko 2018-09-03 12:56 ` Andy Shevchenko 2018-09-03 19:10 ` Jarkko Sakkinen 2018-09-03 19:10 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 02/13] x86/cpufeature: Add SGX and SGX_LC CPU features Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-28 0:07 ` Huang, Kai 2018-08-28 0:07 ` Huang, Kai 2018-08-28 0:07 ` Huang, Kai 2018-08-28 7:17 ` Jarkko Sakkinen 2018-08-28 7:17 ` Jarkko Sakkinen 2018-08-29 7:36 ` Huang, Kai 2018-08-29 7:36 ` Huang, Kai 2018-08-29 7:36 ` Huang, Kai 2018-08-31 12:19 ` Jarkko Sakkinen 2018-08-31 12:19 ` Jarkko Sakkinen 2018-08-31 12:19 ` Jarkko Sakkinen 2018-08-31 16:18 ` Dr. Greg 2018-08-31 16:18 ` Dr. Greg 2018-08-31 16:18 ` Dr. Greg 2018-08-27 18:53 ` [PATCH v13 03/13] x86/cpufeatures: Add Intel-defined SGX leaf CPUID_12_EAX Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 19:39 ` Dave Hansen 2018-08-27 19:39 ` Dave Hansen 2018-08-27 19:39 ` Dave Hansen 2018-08-27 19:39 ` Dave Hansen 2018-08-28 7:23 ` Jarkko Sakkinen 2018-08-28 7:23 ` Jarkko Sakkinen 2018-08-28 10:21 ` Borislav Petkov 2018-08-28 10:21 ` Borislav Petkov 2018-08-28 10:38 ` Jarkko Sakkinen 2018-08-28 10:38 ` Jarkko Sakkinen 2018-08-28 10:38 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 04/13] x86/sgx: Architectural structures Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 19:41 ` Dave Hansen [this message] 2018-08-27 19:41 ` Dave Hansen 2018-08-27 19:41 ` Dave Hansen 2018-08-28 8:08 ` Jarkko Sakkinen 2018-08-28 8:08 ` Jarkko Sakkinen 2018-08-28 8:08 ` Jarkko Sakkinen 2018-09-03 13:16 ` Andy Shevchenko 2018-09-03 13:16 ` Andy Shevchenko 2018-09-03 19:17 ` Jarkko Sakkinen 2018-09-03 19:17 ` Jarkko Sakkinen 2018-09-04 16:04 ` Dave Hansen 2018-09-04 16:04 ` Dave Hansen 2018-09-04 16:06 ` Andy Shevchenko 2018-09-04 16:06 ` Andy Shevchenko 2018-09-05 17:32 ` Jarkko Sakkinen 2018-09-05 17:32 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 05/13] x86/msr: Add SGX definitions to msr-index.h Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 19:42 ` Dave Hansen 2018-08-27 19:42 ` Dave Hansen 2018-08-27 19:42 ` Dave Hansen 2018-08-28 8:11 ` Jarkko Sakkinen 2018-08-28 8:11 ` Jarkko Sakkinen 2018-08-28 8:11 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 06/13] x86/sgx: Detect Intel SGX Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 19:53 ` Dave Hansen 2018-08-27 19:53 ` Dave Hansen 2018-08-27 19:53 ` Dave Hansen 2018-08-28 8:28 ` Jarkko Sakkinen 2018-08-28 8:28 ` Jarkko Sakkinen 2018-08-28 8:28 ` Jarkko Sakkinen 2018-09-03 14:26 ` Andy Shevchenko 2018-09-03 14:26 ` Andy Shevchenko 2018-09-04 9:56 ` Jarkko Sakkinen 2018-09-04 9:56 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 07/13] x86/sgx: Add data structures for tracking the EPC pages Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 21:07 ` Dave Hansen 2018-08-27 21:07 ` Dave Hansen 2018-08-27 21:07 ` Dave Hansen 2018-08-28 10:30 ` Jarkko Sakkinen 2018-08-28 10:30 ` Jarkko Sakkinen 2018-08-28 10:30 ` Jarkko Sakkinen 2018-08-28 16:53 ` Dave Hansen 2018-08-28 16:53 ` Dave Hansen 2018-08-28 16:53 ` Dave Hansen 2018-08-28 21:34 ` Sean Christopherson 2018-08-28 21:34 ` Sean Christopherson 2018-08-28 21:34 ` Sean Christopherson 2018-08-31 11:13 ` Jarkko Sakkinen 2018-08-31 11:13 ` Jarkko Sakkinen 2018-08-31 11:13 ` Jarkko Sakkinen 2018-08-31 11:10 ` Jarkko Sakkinen 2018-08-31 11:10 ` Jarkko Sakkinen 2018-08-31 11:10 ` Jarkko Sakkinen 2018-09-03 14:41 ` Andy Shevchenko 2018-09-03 14:41 ` Andy Shevchenko 2018-09-04 9:59 ` Jarkko Sakkinen 2018-09-04 9:59 ` Jarkko Sakkinen 2018-09-04 17:49 ` Sean Christopherson 2018-09-04 17:49 ` Sean Christopherson 2018-09-04 18:01 ` Andy Shevchenko 2018-09-04 18:01 ` Andy Shevchenko 2018-09-04 18:17 ` Sean Christopherson 2018-09-04 18:17 ` Sean Christopherson 2018-09-05 17:36 ` Jarkko Sakkinen 2018-09-05 17:36 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 08/13] x86/sgx: Add wrappers for ENCLS leaf functions Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-09-03 15:01 ` Andy Shevchenko 2018-09-03 15:01 ` Andy Shevchenko 2018-09-04 11:09 ` Jarkko Sakkinen 2018-09-04 11:09 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 09/13] x86/sgx: Enclave Page Cache (EPC) memory manager Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 21:14 ` Dave Hansen 2018-08-27 21:14 ` Dave Hansen 2018-08-27 21:14 ` Dave Hansen 2018-08-28 8:36 ` Jarkko Sakkinen 2018-08-28 8:36 ` Jarkko Sakkinen 2018-08-28 8:36 ` Jarkko Sakkinen 2018-08-27 21:15 ` Dave Hansen 2018-08-27 21:15 ` Dave Hansen 2018-08-27 21:15 ` Dave Hansen 2018-08-28 8:35 ` Jarkko Sakkinen 2018-08-28 8:35 ` Jarkko Sakkinen 2018-08-28 8:35 ` Jarkko Sakkinen 2018-08-28 14:07 ` Dave Hansen 2018-08-28 14:07 ` Dave Hansen 2018-08-28 14:07 ` Dave Hansen 2018-08-28 21:22 ` Sean Christopherson 2018-08-28 21:22 ` Sean Christopherson 2018-08-28 21:22 ` Sean Christopherson 2018-08-28 21:26 ` Dave Hansen 2018-08-28 21:26 ` Dave Hansen 2018-08-28 21:26 ` Dave Hansen 2018-08-28 21:52 ` Sean Christopherson 2018-08-28 21:52 ` Sean Christopherson 2018-08-28 21:52 ` Sean Christopherson 2018-08-31 11:22 ` Jarkko Sakkinen 2018-08-31 11:22 ` Jarkko Sakkinen 2018-08-31 11:22 ` Jarkko Sakkinen 2018-09-03 19:02 ` Andy Shevchenko 2018-09-03 19:02 ` Andy Shevchenko 2018-09-04 15:38 ` Jarkko Sakkinen 2018-09-04 15:38 ` Jarkko Sakkinen 2018-09-04 15:45 ` Sean Christopherson 2018-09-04 15:45 ` Sean Christopherson 2018-09-11 15:04 ` Sean Christopherson 2018-09-11 15:04 ` Sean Christopherson 2018-09-11 15:04 ` Sean Christopherson 2018-09-16 11:40 ` Jarkko Sakkinen 2018-09-16 11:40 ` Jarkko Sakkinen 2018-09-16 11:40 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 10/13] x86/sgx: Add sgx_einit() for initializing enclaves Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 21:41 ` Huang, Kai 2018-08-27 21:41 ` Huang, Kai 2018-08-27 21:41 ` Huang, Kai 2018-08-28 7:01 ` Jarkko Sakkinen 2018-08-28 7:01 ` Jarkko Sakkinen 2018-08-29 7:33 ` Huang, Kai 2018-08-29 7:33 ` Huang, Kai 2018-08-29 7:33 ` Huang, Kai 2018-08-29 20:33 ` Sean Christopherson 2018-08-29 20:33 ` Sean Christopherson 2018-08-29 20:58 ` Huang, Kai 2018-08-29 20:58 ` Huang, Kai 2018-08-29 20:58 ` Huang, Kai 2018-08-29 21:09 ` Sean Christopherson 2018-08-29 21:09 ` Sean Christopherson 2018-08-30 1:45 ` Huang, Kai 2018-08-30 1:45 ` Huang, Kai 2018-08-30 1:45 ` Huang, Kai 2018-08-31 17:43 ` Sean Christopherson 2018-08-31 17:43 ` Sean Christopherson 2018-08-31 21:34 ` Dr. Greg 2018-08-31 21:34 ` Dr. Greg 2018-08-31 21:34 ` Dr. Greg 2018-09-03 19:27 ` Jarkko Sakkinen 2018-09-03 19:27 ` Jarkko Sakkinen 2018-09-03 18:15 ` Jarkko Sakkinen 2018-09-03 18:15 ` Jarkko Sakkinen 2018-08-31 12:17 ` Jarkko Sakkinen 2018-08-31 12:17 ` Jarkko Sakkinen 2018-08-31 18:15 ` Sean Christopherson 2018-08-31 18:15 ` Sean Christopherson 2018-09-03 19:19 ` Jarkko Sakkinen 2018-09-03 19:19 ` Jarkko Sakkinen 2018-09-03 23:45 ` Huang, Kai 2018-09-03 23:45 ` Huang, Kai 2018-09-03 23:45 ` Huang, Kai 2018-09-04 14:54 ` Sean Christopherson 2018-09-04 14:54 ` Sean Christopherson 2018-09-04 15:30 ` Jarkko Sakkinen 2018-09-04 15:30 ` Jarkko Sakkinen 2018-09-04 16:35 ` Sean Christopherson 2018-09-04 16:35 ` Sean Christopherson 2018-09-04 22:13 ` Huang, Kai 2018-09-04 22:13 ` Huang, Kai 2018-09-04 22:13 ` Huang, Kai 2018-09-05 17:39 ` Jarkko Sakkinen 2018-09-05 17:39 ` Jarkko Sakkinen 2018-09-04 15:26 ` Jarkko Sakkinen 2018-09-04 15:26 ` Jarkko Sakkinen 2018-09-03 13:53 ` Jann Horn 2018-09-03 13:53 ` Jann Horn 2018-09-04 9:55 ` Jarkko Sakkinen 2018-09-04 9:55 ` Jarkko Sakkinen 2018-09-04 16:05 ` Andy Shevchenko 2018-09-04 16:05 ` Andy Shevchenko 2018-08-27 18:53 ` [PATCH v13 11/13] platform/x86: Intel SGX driver Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-09-04 17:59 ` Andy Shevchenko 2018-09-04 17:59 ` Andy Shevchenko 2018-09-05 17:33 ` Jarkko Sakkinen 2018-09-05 17:33 ` Jarkko Sakkinen 2018-09-05 17:36 ` Andy Shevchenko 2018-09-05 17:36 ` Andy Shevchenko 2018-09-06 9:21 ` Jarkko Sakkinen 2018-09-06 9:21 ` Jarkko Sakkinen 2018-09-06 17:35 ` Miguel Ojeda 2018-09-06 17:35 ` Miguel Ojeda 2018-09-07 0:50 ` Joe Perches 2018-09-07 0:50 ` Joe Perches 2018-09-07 17:02 ` Sean Christopherson 2018-09-07 17:02 ` Sean Christopherson 2018-09-07 17:02 ` Sean Christopherson 2018-09-10 18:37 ` Jarkko Sakkinen 2018-09-10 18:37 ` Jarkko Sakkinen 2018-09-10 21:22 ` Joe Perches 2018-09-10 21:22 ` Joe Perches 2018-09-10 18:33 ` Jarkko Sakkinen 2018-09-10 18:33 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 12/13] platform/x86: ptrace() support for the " Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` [PATCH v13 13/13] x86/sgx: Driver documentation Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 18:53 ` Jarkko Sakkinen 2018-08-27 19:40 ` Randy Dunlap 2018-08-27 19:40 ` Randy Dunlap 2018-08-28 7:58 ` Jarkko Sakkinen 2018-08-28 7:58 ` Jarkko Sakkinen 2018-08-28 8:03 ` Jarkko Sakkinen 2018-08-28 8:03 ` Jarkko Sakkinen
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