If the virtual firmware implements TPM support, TCG2 protocol will be used for kernel measurements and event logging support. But in CC environment, not all platforms support or enable the TPM feature. UEFI specification [1] exposes protocol and interfaces used for kernel measurements in CC platforms without TPM support. More details about the EFI CC measurements and logging can be found in [1]. Link: https://uefi.org/specs/UEFI/2.10/38_Confidential_Computing.html#efi-cc-measurement-protocol [1] Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> [ardb: Drop code changes, keep typedefs and #define's only] Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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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