linux-kernel - Re: [PATCH v12 03/13] x86/sgx: add SGX definitions to msr-index.h

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Message-ID: <1a4d5505-2359-9c50-3e90-58336592bb52@intel.com>
Date:   Thu, 5 Jul 2018 09:09:24 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:     x86@...nel.org, 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>,
        Tom Lendacky <thomas.lendacky@....com>,
        Borislav Petkov <bp@...e.de>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Janakarajan Natarajan <Janakarajan.Natarajan@....com>,
        David Woodhouse <dwmw@...zon.co.uk>,
        "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" 
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v12 03/13] x86/sgx: add SGX definitions to msr-index.h

On 07/05/2018 09:05 AM, Jarkko Sakkinen wrote:
> On Tue, Jul 03, 2018 at 11:31:59AM -0700, Dave Hansen wrote:
>> On 07/03/2018 11:19 AM, Jarkko Sakkinen wrote:
>>> --- a/arch/x86/include/asm/msr-index.h
>>> +++ b/arch/x86/include/asm/msr-index.h
>>> @@ -479,6 +479,8 @@
>>>  #define FEATURE_CONTROL_LOCKED				(1<<0)
>>>  #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX	(1<<1)
>>>  #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX	(1<<2)
>>> +#define FEATURE_CONTROL_SGX_ENABLE                      (1<<18)
>>> +#define FEATURE_CONTROL_SGX_LE_WR			(1<<17)
>>>  #define FEATURE_CONTROL_LMCE				(1<<20)
>> Have you run checkpatch.pl on these?  There's a tabs-vs-spaces issue here.
> High portion of lines in this file are over 80 characters and have this
> same incosistent spacing. I'm not sure if this should be fixed bacause
> it would be consistent with the formatting that this file uses...

Why does that matter?

Just make sure your patch doesn't introduce any new instances of bad
form unless it's *required* to fit into the file.