Merge tag 'x86-apic-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git...

Merge tag 'x86-apic-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 exception handling updates from Ingo Molnar:

 - Clean up & simplify AP exception handling setup.

 - Consolidate the disjoint IDT setup code living in idt_setup_traps()
   and idt_setup_ist_traps() into a single idt_setup_traps()
   initialization function and call it before cpu_init().

* tag 'x86-apic-2021-06-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/idt: Rework IDT setup for boot CPU
  x86/cpu: Init AP exception handling from cpu_init_secondary()