From: Borislav Petkov <bp@alien8.de>
To: Daniel Gutson <daniel.gutson@eclypsium.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Peter Zijlstra <peterz@infradead.org>,
"David S. Miller" <davem@davemloft.net>,
Rob Herring <robh@kernel.org>, Tony Luck <tony.luck@intel.com>,
Rahul Tanwar <rahul.tanwar@linux.intel.com>,
Xiaoyao Li <xiaoyao.li@intel.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Ability to read the MKTME status from userspace (patch v2)
Date: Thu, 25 Jun 2020 23:14:53 +0200 [thread overview]
Message-ID: <20200625211453.GS20319@zn.tnic> (raw)
In-Reply-To: <20200625211029.34733-1-daniel.gutson@eclypsium.com>
On Thu, Jun 25, 2020 at 06:10:29PM -0300, Daniel Gutson wrote:
> The intent of this patch is to provide visibility of the
> MKTME status to userspace. This is an important factor for
> firmware security related applilcations.
>
> Changes since v1:
> * Documentation/ABI/stable/securityfs-mktme-status (new file)
> * include/uapi/misc/mktme_status.h (new file)
> * Fixed MAINTAINER title.
> * cpu.h: added values to the enumerands
> * Renamed the function from get_mktme_status to mktme_get_status
> * Improved Kconfig help
> * Removed unnecessary license-related lines since there is a SPDX line
> * Moved pr_fmt macro before the includes
> * Turned global variables (mktme_dir, mktme_file) as static
> * Removed BUFFER_SIZE macro
> * No longer returning -1 for error, but using the previously error.
> * No more pr_info for the normal behavior.
> * Renamed this from a kernel driver to a kernel module.
No, we don't want a module driver which, as Dave explained, tells you
exactly nothing whether encryption is actually enabled on the system.
Didn't that become clear from the thread last time?
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2020-06-25 21:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-25 21:10 [PATCH] Ability to read the MKTME status from userspace (patch v2) Daniel Gutson
2020-06-25 21:14 ` Borislav Petkov [this message]
[not found] ` <CAFmMkTGy5vOiPUpWw6HfQv-JM90JqLBcsKwMpbWdsjaLBw730Q@mail.gmail.com>
2020-06-25 21:27 ` Borislav Petkov
2020-06-25 21:37 ` Dave Hansen
2020-06-25 21:39 ` Andy Lutomirski
2020-06-25 21:43 ` Dave Hansen
2020-06-25 21:29 ` Dave Hansen
2020-06-26 1:55 ` Alison Schofield
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