[Backport release-24.11] linux/common-config: enable Intel TDX guest support #356149
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Intel Trust Domain Extensions (TDX) is a VM-based trusted execution environment which attempts to isolate confidential guest VMs from the host, similar to AMD SEV-SNP. Like AMD SEV-SNP it requires guest modifications (also referred to as "enlightenments") to operate in the TEE. Initial support for running Linux in a TDX guest environment was merged [in 5.19][1]. The guest driver used for generating attestation reports was merged [in 6.2][2]. Enable both of these options on supported kernel versions. This matches other distros such as [Arch Linux][3], [Debian][4], [Fedora][5], [openSUSE][6], and [Ubuntu][7]. [1]: https://lore.kernel.org/lkml/[email protected]/ [2]: https://lore.kernel.org/lkml/[email protected]/ [3]: https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/blob/ac5ceec882898aa46353794a7c8b645b9ec5ae19/config#L409 [4]: https://salsa.debian.org/kernel-team/linux/-/blob/3fdc0bdcafb4e49c232dcea1144dbdfab21eef20/debian/config/amd64/config#L13 [5]: https://src.fedoraproject.org/rpms/kernel/blob/28b3da71f8a3bbd4947adeeba223527776e01927/f/kernel-x86_64-fedora.config#_3170 [6]: https://github.com/SUSE/kernel-source/blob/994cc2d44d4db48977fa33715fd833105fa23555/config/x86_64/default#L403 [7]: https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/noble/tree/debian.master/config/annotations#n6660 (cherry picked from commit 41a390a)
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Bot-based backport to
release-24.11, triggered by a label in #344372.