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Ashish Kalra 1eefe9a9ce crypto: ccp: Skip SEV and SNP INIT for kdump boot 
[ Upstream commit 8c571019d8 ]

Since SEV or SNP may already be initialized in the previous kernel,
attempting to initialize them again in the kdump kernel can result
in SNP initialization failures, which in turn lead to IOMMU
initialization failures. Moreover, SNP/SEV guests are not run under a
kdump kernel, so there is no need to initialize SEV or SNP during
kdump boot.

Skip SNP and SEV INIT if doing kdump boot.

Tested-by: Sairaj Kodilkar <sarunkod@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Link: https://lore.kernel.org/r/d884eff5f6180d8b8c6698a6168988118cf9cba1.1756157913.git.ashish.kalra@amd.com
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-11-13 15:34:19 -05:00
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README

README 

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 reStructuredText 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.