On Tue, Jul 19, 2022 at 11:29:32AM -0700, Dionna Amalie Glaze wrote: > How about instead of the limited resource of UTS_VERSION, we add a > SETUP_BOOT_FEATURES enum for setup_data in the boot header? That would > be easier to parse out and more extensible in the future. > https://www.kernel.org/doc/html/latest/x86/boot.html?highlight=boot > > This can contain a bitmap of a number of features that we currently > need manual tagging for, such as SEV guest support, SEV-SNP guest > support, TDX guest support, and (CONFIG_UNACCEPTED_MEMORY, TDX) or > (CONFIG_UNACCEPTED_MEMORY, SEV-SNP). > The VMM, UEFI, or boot loader can read these from the images/kernels > and have the appropriate behavior. I think for stuff like that you want loadflags or xloadflags in the setup header. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette
