linux-kernel - Re: [PATCH v8 0/8] x86: Show in sysfs if a memory node is able to do encryption

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Message-ID: <FDABC5C8-B80A-4977-9F97-5A8FC47F69D6@alien8.de>
Date:   Fri, 06 May 2022 18:25:56 +0000
From:   Boris Petkov <bp@...en8.de>
To:     Dave Hansen <dave.hansen@...el.com>,
        Dan Williams <dan.j.williams@...el.com>
CC:     Martin Fernandez <martin.fernandez@...ypsium.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-efi <linux-efi@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>,
        platform-driver-x86@...r.kernel.org, daniel.gutson@...ypsium.com,
        Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>,
        Darren Hart <dvhart@...radead.org>,
        "Schofield, Alison" <alison.schofield@...el.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Mike Rapoport <rppt@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        X86 ML <x86@...nel.org>, alex.bazhaniuk@...ypsium.com,
        hughsient@...il.com, Andy Shevchenko <andy@...radead.org>,
        Greg KH <gregkh@...uxfoundation.org>,
        Ben Widawsky <ben.widawsky@...el.com>,
        "Huang, Kai" <kai.huang@...el.com>
Subject: Re: [PATCH v8 0/8] x86: Show in sysfs if a memory node is able to do encryption

On May 6, 2022 6:14:00 PM UTC, Dave Hansen <dave.hansen@...el.com> wrote:
>But, this interface will *work* both for the uniform and non-uniform
>systems alike.

And what would that additional information that some "node" - whatever "node" means nowadays - is not encrypted give you? 

Note that the fwupd use case is to be able to say that memory encryption is active - nothing more.

-- 
Sent from a small device: formatting sux and brevity is inevitable.