linux-kernel - Re: [PATCHv2 22/29] x86/tdx: Make pages shared in ioremap()

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Message-ID: <52e34ee2-e6a8-5b5c-41f9-5fcf21902a25@intel.com>
Date:   Tue, 15 Feb 2022 08:34:53 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Tom Lendacky <thomas.lendacky@....com>
Cc:     Borislav Petkov <bp@...en8.de>, tglx@...utronix.de,
        mingo@...hat.com, luto@...nel.org, peterz@...radead.org,
        sathyanarayanan.kuppuswamy@...ux.intel.com, aarcange@...hat.com,
        ak@...ux.intel.com, dan.j.williams@...el.com, david@...hat.com,
        hpa@...or.com, jgross@...e.com, jmattson@...gle.com,
        joro@...tes.org, jpoimboe@...hat.com, knsathya@...nel.org,
        pbonzini@...hat.com, sdeep@...are.com, seanjc@...gle.com,
        tony.luck@...el.com, vkuznets@...hat.com, wanpengli@...cent.com,
        x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 22/29] x86/tdx: Make pages shared in ioremap()

On 2/15/22 08:27, Kirill A. Shutemov wrote:
>>> But with u64 as type, I'm not sure 'pgprot' in the name is jutified.
>> Maybe cc_mask_{enc,dec}()? It just sounds like cc_{enc,dec}() is actually
>> performing encryption or decryption and can be confusing.
> cc_{enc,dec}_mask() sounds better to me.

The pte_mk*() functions might be a good naming model here.  Some of them
clear bits and some set them, but they all "make" a PTE.