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Date:   Fri, 31 Aug 2018 15:19:25 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     "Huang, Kai" <kai.huang@...el.com>
Cc:     "x86@...nel.org" <x86@...nel.org>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        "Hansen, Dave" <dave.hansen@...el.com>,
        "Christopherson, Sean J" <sean.j.christopherson@...el.com>,
        "nhorman@...hat.com" <nhorman@...hat.com>,
        "npmccallum@...hat.com" <npmccallum@...hat.com>,
        "linux-sgx@...r.kernel.org" <linux-sgx@...r.kernel.org>,
        Kai Huang <kai.huang@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...e.de>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        David Woodhouse <dwmw@...zon.co.uk>,
        "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" 
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v13 02/13] x86/cpufeature: Add SGX and SGX_LC CPU features

On Wed, Aug 29, 2018 at 07:36:13AM +0000, Huang, Kai wrote:
> > -----Original Message-----
> > From: Jarkko Sakkinen [mailto:jarkko.sakkinen@...ux.intel.com]
> > Sent: Tuesday, August 28, 2018 7:17 PM
> > To: Huang, Kai <kai.huang@...el.com>
> > Cc: x86@...nel.org; platform-driver-x86@...r.kernel.org; Hansen, Dave
> > <dave.hansen@...el.com>; Christopherson, Sean J
> > <sean.j.christopherson@...el.com>; nhorman@...hat.com;
> > npmccallum@...hat.com; linux-sgx@...r.kernel.org; Kai Huang
> > <kai.huang@...ux.intel.com>; Thomas Gleixner <tglx@...utronix.de>; Ingo
> > Molnar <mingo@...hat.com>; H. Peter Anvin <hpa@...or.com>; Borislav
> > Petkov <bp@...e.de>; Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>;
> > David Woodhouse <dwmw@...zon.co.uk>; open list:X86 ARCHITECTURE (32-
> > BIT AND 64-BIT) <linux-kernel@...r.kernel.org>
> > Subject: Re: [PATCH v13 02/13] x86/cpufeature: Add SGX and SGX_LC CPU
> > features
> > 
> > On Tue, Aug 28, 2018 at 12:07:41AM +0000, Huang, Kai wrote:
> > > > +#define X86_FEATURE_SGX_LC		(16*32+30) /* supports SGX
> > launch
> > > > configuration */
> > >
> > > Sorry if it was me who wrote the comment "SGX launch configuration". I
> > > think we should just use "SGX launch control". :)
> > 
> > Not sure if we should change though. The former is more self-explaining, the
> > latter is "more official".
> 
> I'll let you decide.  To me the comment should explain what does "LC"
> mean, and to me it means "launch control". :)

Yea, maybe it is better to change as SDM speaks about launch control...

> Thanks,
> -Kai
> > 
> > /Jarkko

/Jarkko

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