linux-kernel - Re: [PATCH v8 12/40] x86/sev: Add helper for validating pages in early enc attribute changes

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Date:   Tue, 11 Jan 2022 15:57:13 -0600
From:   Brijesh Singh <brijesh.singh@....com>
To:     Venu Busireddy <venu.busireddy@...cle.com>
Cc:     brijesh.singh@....com, x86@...nel.org,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        linux-efi@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        linux-coco@...ts.linux.dev, linux-mm@...ck.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Joerg Roedel <jroedel@...e.de>,
        Tom Lendacky <thomas.lendacky@....com>,
        "H. Peter Anvin" <hpa@...or.com>, Ard Biesheuvel <ardb@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Jim Mattson <jmattson@...gle.com>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Sergio Lopez <slp@...hat.com>, Peter Gonda <pgonda@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        David Rientjes <rientjes@...gle.com>,
        Dov Murik <dovmurik@...ux.ibm.com>,
        Tobin Feldman-Fitzthum <tobin@....com>,
        Borislav Petkov <bp@...en8.de>,
        Michael Roth <michael.roth@....com>,
        Vlastimil Babka <vbabka@...e.cz>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Andi Kleen <ak@...ux.intel.com>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        tony.luck@...el.com, marcorr@...gle.com,
        sathyanarayanan.kuppuswamy@...ux.intel.com
Subject: Re: [PATCH v8 12/40] x86/sev: Add helper for validating pages in
 early enc attribute changes



On 1/11/22 3:51 PM, Venu Busireddy wrote:
> On 2022-01-11 15:22:01 -0600, Brijesh Singh wrote:
>> Hi Venu,
>>
>>
>> On 1/3/22 5:28 PM, Venu Busireddy wrote:
>> ...
>>
>>>> +
>>>> +	 /*
>>>> +	  * Ask the hypervisor to mark the memory pages as private in the RMP
>>>> +	  * table.
>>>> +	  */
>>>
>>> Indentation is off. While at it, you may want to collapse it into a one
>>> line comment.
>>>
>>
>> Based on previous review feedback I tried to keep the comment to 80
>> character limit.
> 
> Isn't the line length limit 100 now? Also, there are quite a few lines
> that are longer than 80 characters in this file, and elsewhere.
> 
> But you can ignore my comment.
> 

Yes, the actual line limit is 100, but I was asked to keep the comments 
to 80 cols [1] to keep it consistent with other comments in this file.

https://lore.kernel.org/lkml/f9a69ad8-54bb-70f1-d606-6497e5753bb0@amd.com/

thanks