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Subject[PATCH 0/6] x86/entry,lockdep: Improve IRQ state tracking
Ahmed and Sebastian wanted additional lockdep_assert*() macros and ran
into header hell.

Move the IRQ state into per-cpu variables, which removes the dependency on
task_struct, which is what generated the header-hell.

And fix IRQ state tracking to not be affected by lockdep_off() (it really
should not have been anyway) and extends IRQ state tracking across (x86)

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