Public bug reported:

SRU Justification

[Impact]

* Upstream 9f98a4f4e721: "x86/tdx: Fix arch_safe_halt() execution for
TDX VMs" added irq.safe_halt and irq.halt calls outside of the
CONFIG_PARAVIRT_XXL defines in which the definitions occur in
arch/x86/include/asm/paravirt_types.h, leading to a compilation error

[Fix]

* Clean cherry-pick of 22cc5ca5de52: "x86/paravirt: Move halt paravirt
calls under CONFIG_PARAVIRT" upstream

[Test Plan]

* Compile tested

[Regression potential]

* Possible regressions could result in unexpected behavior of Xen
guests, though patch has been upstream for around 8 months.

** Affects: linux-azure (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2126698

Title:
  Fix failure to build TDX module

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