Re: [RFC, PATCH 21/22] x86/mm: Introduce page_keyid() and page_encrypted()

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To: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: Re: [RFC, PATCH 21/22] x86/mm: Introduce page_keyid() and page_encrypted()
From: Dave Hansen <dave.hansen@xxxxxxxxx>
Date: Tue, 6 Mar 2018 07:04:13 -0800
Cc: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, x86@xxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Kai Huang <kai.huang@xxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx
In-reply-to: <20180306145806.ejg5kzaqqmncgqi7@black.fi.intel.com>
References: <20180305162610.37510-1-kirill.shutemov@linux.intel.com> <20180305162610.37510-22-kirill.shutemov@linux.intel.com> <61041640-435e-1a67-177f-a75791130514@intel.com> <20180306085751.tvozsfe6hogh37pd@node.shutemov.name> <91d27559-3f28-d53c-9fd9-d16e015a3f59@intel.com> <20180306145806.ejg5kzaqqmncgqi7@black.fi.intel.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 03/06/2018 06:58 AM, Kirill A. Shutemov wrote:
>> Doesn't it really mean "am I able to use the direct map to get this
>> page's contents?"
> Yes.
> 
> Any proposal for better helper name?

Let's see how it gets used.

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References:
- [RFC, PATCH 00/22] Partial MKTME enabling
  - From: Kirill A. Shutemov
- [RFC, PATCH 21/22] x86/mm: Introduce page_keyid() and page_encrypted()
  - From: Kirill A. Shutemov
- Re: [RFC, PATCH 21/22] x86/mm: Introduce page_keyid() and page_encrypted()
  - From: Dave Hansen
- Re: [RFC, PATCH 21/22] x86/mm: Introduce page_keyid() and page_encrypted()
  - From: Kirill A. Shutemov
- Re: [RFC, PATCH 21/22] x86/mm: Introduce page_keyid() and page_encrypted()
  - From: Dave Hansen
- Re: [RFC, PATCH 21/22] x86/mm: Introduce page_keyid() and page_encrypted()
  - From: Kirill A. Shutemov

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