linux-kernel - Re: [PATCH v12 02/13] x86/sgx: add SGX definitions to cpufeature

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Message-ID: <20180704172443.GD6724@linux.intel.com>
Date:   Wed, 4 Jul 2018 20:24:43 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     x86@...nel.org, platform-driver-x86@...r.kernel.org,
        dave.hansen@...el.com, sean.j.christopherson@...el.com,
        nhorman@...hat.com, npmccallum@...hat.com,
        linux-sgx@...r.kernel.org, Kai Huang <kai.huang@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...e.de>,
        David Woodhouse <dwmw@...zon.co.uk>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Janakarajan Natarajan <Janakarajan.Natarajan@....com>,
        Tom Lendacky <thomas.lendacky@....com>,
        "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" 
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v12 02/13] x86/sgx: add SGX definitions to cpufeature

On Tue, Jul 03, 2018 at 08:48:54PM +0200, Thomas Gleixner wrote:
> On Tue, 3 Jul 2018, Jarkko Sakkinen wrote:
> 
> Subject: x86/sgx: add SGX definitions to cpufeature
> 
> The prefix is bogus. Not everything you touch is SGX just because.
> 
> The proper prefix is 'x86/cpufeatures:' 
> The following sentence starts with an uppercase letter.
> 
> And with the proper prefix the subject wants to be something like:
> 
>   x86/cpufeatures: Add SGX and SGX_LC CPU features
> 
> > From: Kai Huang <kai.huang@...ux.intel.com>
> > 
> > Added X86_FEATURE_SGX and X86_FEATURE_SGX_LC definitions that define the
> 
> Add the ...
> 
> ->						definitions that define
> 
> That's redundant.
> 
> > bits CPUID level 7 bits for determining whether the CPU supports SGX and
> 
> bits ... bits ?? 
> 
> > launch configuration other than the Intel proprietary key. If this the
> > case, IA32_SGXLEPUBKEYHASHn MSRs (0 < n < 4) are available for defining the
> > root key for enclaves.
> > 
> > Signed-off-by: Kai Huang <kai.huang@...ux.intel.com>
> 
> Lacks your SOB
> 
> Thanks,
> 
> 	tglx

Thanks, will refine!

/Jarkko