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tdx: docs: update intel_tdx.md with upstream kernel and latest firmware versions. - #5

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Jul 17, 2026
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tdx: docs: update intel_tdx.md with upstream kernel and latest firmware versions.

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Pull request overview

Updates the Intel TDX documentation to reflect newer upstream components and revised run/build instructions for TDVF and TDShim, aligning the guide with current Cloud Hypervisor usage patterns.

Changes:

  • Replaces references to Intel’s host/guest TDX kernel trees with upstream torvalds/linux and documents required kernel config flags.
  • Updates the “latest tested” TDVF/TDShim versions and corresponding checkout/build commands.
  • Adjusts Cloud Hypervisor example commands (e.g., max_phys_bits=52, --serial tty, --console off) and updates TDShim direct-kernel cmdline examples.

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Comment thread docs/intel_tdx.md

- [Guest TDX tree](https://github.com/intel/tdx/tree/guest): the Linux
kernel changes for the guest side
- [Linux kernel](https://github.com/torvalds/linux) (version >= v6.17.0):
Comment thread docs/intel_tdx.md
Comment on lines 66 to +67
And run a TDX VM by providing the firmware previously built, along with the
guest image containing the TDX enlightened kernel. The latest image
`td-guest-rhel8.5.raw` contains `console=hvc0` on the kernel boot parameters,
meaning it will be printing guest kernel logs to the `virtio-console` device.
guest image containing the TDX enlightened kernel.
…re versions

- Replace references to the intel/tdx kvm/guest trees with the mainline
  Linux kernel (torvalds/linux, version >= v6.17.0).
- Bump the tested TDVF version to edk2-stable202602 and TDShim to commit
  a471f1ccc64f39aff428344d9365ec094258728a.

Signed-off-by: Liang, Zhou <liang1.zhou@intel.com>
@guzongmin
guzongmin merged commit ed04fac into main Jul 17, 2026
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3 participants