Borislav Petkov (AMD) 3ab328a025 x86/microcode/AMD: Limit Entrysign signature checking to known generations
[ Upstream commit 8a9fb5129e8e64d24543ebc70de941a2d77a9e77 ]

Limit Entrysign sha256 signature checking to CPUs in the range Zen1-Zen5.

X86_BUG cannot be used here because the loading on the BSP happens way
too early, before the cpufeatures machinery has been set up.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://patch.msgid.link/all/20251023124629.5385-1-bp@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-12-01 11:41:49 +01:00
2022-09-28 09:02:20 +02:00
2025-11-24 10:30:14 +01:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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