[PATCH 4.9 21/93] powerpc/64: Fix __check_irq_replay missing decrementer interrupt

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Nicholas Piggin commit 3db40c312c2c1eb2187c5731102fa8ff380e6e40 upstream. If the decrementer wraps again and de-asserts the decrementer exception while hard-disabled,

[PATCH 4.9 21/93] powerpc/64: Fix __check_irq_replay missing decrementer interrupt

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Nicholas Piggin commit 3db40c312c2c1eb2187c5731102fa8ff380e6e40 upstream. If the decrementer wraps again and de-asserts the decrementer exception while hard-disabled, __check_irq_replay() has