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dc5243921b
AMD Zen-based systems use a System Management Network (SMN) that provides access to implementation-specific registers. SMN accesses are done indirectly through an index/data pair in PCI config space. The accesses can fail for a variety of reasons. Include code comments to describe some possible scenarios. Require error checking for callers of amd_smn_read() and amd_smn_write(). This is needed because many error conditions cannot be checked by these functions. [ bp: Touchup comment. ] Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20240606-fix-smn-bad-read-v4-4-ffde21931c3f@amd.com |
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| 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.