Commit 968966c2823a for kernel

commit 968966c2823a4b426a1c71101cb682faa0982892
Merge: 13bd441bb98e 44eeff9bc467
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sun May 31 08:52:16 2026 -0700

    Merge tag 'x86-urgent-2026-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

    Pull x86 fixes from Ingo Molnar:

     - Make the clearcpuid= boot parameter less prominent
       and warn about its dangers & caveats (Borislav Petkov)

     - Do not access the (new) PLATFORM_ID MSR when running
       as a guest (Borislav Petkov)

     - x86 ftrace: Relocate %rip-relative percpu refs in dynamic
       trampolines, to fix crash when using such trampolines
       (Alexis Lothoré)

     - Fix x86-64 CFI build error (Peter Zijlstra)

     - Revert FPU signal return magic number check optimization,
       because it broke CRIU and gVisor in certain FPU configurations
       (Andrei Vagin)

    * tag 'x86-urgent-2026-05-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
      Revert "x86/fpu: Refine and simplify the magic number check during signal return"
      x86/kvm/vmx: Fix x86_64 CFI build
      x86/ftrace: Relocate %rip-relative percpu refs in dynamic trampolines
      x86/microcode: Do not access MSR_IA32_PLATFORM_ID when running as a guest
      Documentation/arch/x86: Hide clearcpuid=