ARM: smp: export pending IPI state
Record and export if an IPI is pending on the current CPU. Knowing if an
IPI is pending helps make better idle state determinations.
Change-Id: I92ab0aaeb3162cd312aa00a4e3eb978be2ad8efc
Signed-off-by:
Lina Iyer <ilina@codeaurora.org>
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