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The Secure TSC feature for SEV-SNP allows guests to securely use the RDTSC and RDTSCP instructions, ensuring that the parameters used cannot be altered by the hypervisor once the guest is launched. For more details, refer to the AMD64 APM Vol 2, Section "Secure TSC". Acked-by: Borislav Petkov (AMD) <bp@alien8.de> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Tested-by: Vaishali Thakkar <vaishali.thakkar@suse.com> Signed-off-by: Nikunj A Dadhania <nikunj@amd.com> Link: https://lore.kernel.org/r/20250819234833.3080255-4-seanjc@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
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.