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From: Richard Hughes <hughsient@gmail.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Martin Fernandez <martin.fernandez@eclypsium.com>,
	Dave Hansen <dave.hansen@intel.com>,
	linux-efi@vger.kernel.org,
	Platform Driver <platform-driver-x86@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, X86 ML <x86@kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	ardb@kernel.org, dvhart@infradead.org, andy@infradead.org,
	Greg KH <gregkh@linuxfoundation.org>,
	rafael@kernel.org, Daniel Gutson <daniel.gutson@eclypsium.com>
Subject: Re: [PATCH v2 0/5] [RFC] x86: Export information about hardware memory encryption to sysfs
Date: Fri, 29 Oct 2021 14:14:29 +0100	[thread overview]
Message-ID: <CAD2FfiEurBe34_dx-ChY7BPtaiZpFW7SFBBa4hKU2w-3QLr+DQ@mail.gmail.com> (raw)
In-Reply-To: <YXrRN+pDr4Uv5p0t@zn.tnic>

On Thu, 28 Oct 2021 at 17:35, Borislav Petkov <bp@alien8.de> wrote:
> Sorry, you need to expand on that: part of what specification?

My apologies, I should have linked to the specification. It's called
Host Security ID: https://fwupd.github.io/libfwupdplugin/hsi.html

> How is this going to be run?

HSI tests are run at every boot and logged. HSI is part of Insights
(for servers) and is even now part of several large companies'
purchasing policies.

> Why cannot this be a userspace program, script, tool, whatever?

We actually tried this, using the journal API:
https://github.com/fwupd/fwupd/pull/2129

It was a hack, and took a really long time to complete on slow
embedded hardware.

Richard

  parent reply	other threads:[~2021-10-29 13:14 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-27 19:55 [PATCH v2 0/5] [RFC] x86: Export information about hardware memory encryption to sysfs Martin Fernandez
2021-10-27 19:55 ` [PATCH v2 1/5] Extend memblock to support memory encryption Martin Fernandez
2021-10-27 19:55 ` [PATCH v2 2/5] Extend pg_data_t to hold information about " Martin Fernandez
2021-10-27 19:55 ` [PATCH v2 3/5] Extend e820_table " Martin Fernandez
2021-10-27 19:55 ` [PATCH v2 4/5] Mark e820_entries as crypto capable from EFI memmap Martin Fernandez
2021-10-27 19:55 ` [PATCH v2 5/5] Show in sysfs if a memory node is able to do memory encryption Martin Fernandez
2021-10-28 18:09   ` Dave Hansen
2021-10-27 20:21 ` [PATCH v2 0/5] [RFC] x86: Export information about hardware memory encryption to sysfs Dave Hansen
2021-10-28 14:28   ` Martin Fernandez
2021-10-28 14:55     ` Borislav Petkov
2021-10-28 16:03       ` Richard Hughes
2021-10-28 16:35         ` Borislav Petkov
2021-10-28 17:39           ` Martin Fernandez
2021-10-28 18:10             ` Borislav Petkov
2021-10-28 18:17               ` Dave Hansen
2021-10-29 17:08             ` Dave Hansen
2021-11-01 18:12               ` Martin Fernandez
2021-11-01 20:10               ` Martin Fernandez
2021-10-29 13:14           ` Richard Hughes [this message]
2021-10-28 15:24     ` Dave Hansen

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