linux-kernel - Re: [PATCH v13 04/13] x86/sgx: Architectural structures

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Message-ID: <83f5ec5f-1b31-15eb-7341-84ee9c7977e2@intel.com>
Date:   Tue, 4 Sep 2018 09:04:44 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        sean.j.christopherson@...el.com, nhorman@...hat.com,
        npmccallum@...hat.com, linux-sgx@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v13 04/13] x86/sgx: Architectural structures

On 09/03/2018 06:16 AM, Andy Shevchenko wrote:
>> +       EBLOCK  = 0x9,
>> +       EPA     = 0xA,
>> +       EWB     = 0xB,
>> +       ETRACK  = 0xC,
>> +       EAUG    = 0xD,
>> +       EMODPR  = 0xE,
>> +       EMODT   = 0xF,
>> +};
> Hmm... This E prefix confuses me with (system wide) error codes. Has
> it been discussed before? If so, can you point on the conclusion why
> the current format is good?

Making them SGX_EWHATEVER isn't a horrible idea.