Messages in this thread | | | Date | Tue, 19 Jul 2022 21:13:50 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCHv7 00/14] mm, x86/cc: Implement support for unaccepted memory |
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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
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