From: Borislav Petkov <bp@alien8.de>
To: Richard Hughes <hughsient@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Martin Fernandez <martin.fernandez@eclypsium.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-efi <linux-efi@vger.kernel.org>,
platform-driver-x86@vger.kernel.org,
Linux MM <linux-mm@kvack.org>, "H. Peter Anvin" <hpa@zytor.com>,
daniel.gutson@eclypsium.com, Darren Hart <dvhart@infradead.org>,
Andy Shevchenko <andy@infradead.org>,
Kees Cook <keescook@chromium.org>,
Andrew Morton <akpm@linux-foundation.org>,
Ard Biesheuvel <ardb@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"Rafael J. Wysocki" <rafael@kernel.org>, X86 ML <x86@kernel.org>,
"Schofield, Alison" <alison.schofield@intel.com>,
alex.bazhaniuk@eclypsium.com,
Greg KH <gregkh@linuxfoundation.org>,
Mike Rapoport <rppt@kernel.org>,
Ben Widawsky <ben.widawsky@intel.com>,
"Huang, Kai" <kai.huang@intel.com>
Subject: Re: [PATCH v8 0/8] x86: Show in sysfs if a memory node is able to do encryption
Date: Wed, 18 May 2022 09:52:46 +0200 [thread overview]
Message-ID: <YoSlzqSGLrQ+jdnD@zn.tnic> (raw)
In-Reply-To: <CAD2FfiHe3hCSNHEA0mSWPbH4LEWhj+FgxkhO83U1GgYEJR6wrw@mail.gmail.com>
On Mon, May 16, 2022 at 09:39:06AM +0100, Richard Hughes wrote:
> This is still something consumers need; at the moment users have no
> idea if data is *actually* being encrypted.
As it was already pointed out - that's in /proc/cpuinfo.
> I think Martin has done an admirable job going down the rabbit hole
> to add this functionality in the proper manner -- so it's actually
> accurate and useful for other use cases to that of fwupd.
Only after I scratched the surface as to why this is needed.
> At the moment my professional advice to people asking about Intel
> memory encryption
Well, what kind of memory encryption? Host, guest?
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2022-05-18 7:52 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-29 20:17 [PATCH v8 0/8] x86: Show in sysfs if a memory node is able to do encryption Martin Fernandez
2022-04-29 20:17 ` [PATCH v8 1/8] mm/memblock: Tag memblocks with crypto capabilities Martin Fernandez
2022-04-29 20:17 ` [PATCH v8 2/8] mm/mmzone: Tag pg_data_t " Martin Fernandez
2022-04-29 20:17 ` [PATCH v8 3/8] x86/e820: Add infrastructure to refactor e820__range_{update,remove} Martin Fernandez
2022-04-29 20:17 ` [PATCH v8 4/8] x86/e820: Refactor __e820__range_update Martin Fernandez
2022-04-29 20:17 ` [PATCH v8 5/8] x86/e820: Refactor e820__range_remove Martin Fernandez
2022-04-29 20:17 ` [PATCH v8 6/8] x86/e820: Tag e820_entry with crypto capabilities Martin Fernandez
2022-04-29 20:17 ` [PATCH v8 7/8] x86/efi: Mark e820_entries as crypto capable from EFI memmap Martin Fernandez
2022-04-29 20:17 ` [PATCH v8 8/8] drivers/node: Show in sysfs node's crypto capabilities Martin Fernandez
2022-05-04 16:38 ` [PATCH v8 0/8] x86: Show in sysfs if a memory node is able to do encryption Borislav Petkov
2022-05-04 17:18 ` Martin Fernandez
2022-05-06 12:44 ` Borislav Petkov
2022-05-06 14:18 ` Limonciello, Mario
2022-05-06 15:32 ` Dave Hansen
2022-05-06 16:00 ` Dan Williams
2022-05-06 17:55 ` Boris Petkov
2022-05-06 18:14 ` Dave Hansen
2022-05-06 18:25 ` Boris Petkov
2022-05-06 18:43 ` Dave Hansen
2022-05-06 19:02 ` Boris Petkov
2022-05-09 18:47 ` Dave Hansen
2022-05-09 22:17 ` Borislav Petkov
2022-05-09 22:56 ` Dave Hansen
2022-05-16 8:39 ` Richard Hughes
2022-05-18 7:52 ` Borislav Petkov [this message]
2022-05-18 18:28 ` Dan Williams
2022-05-18 20:23 ` Borislav Petkov
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