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irq_work: Introduce arch_irq_work_has_interrupt()

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The nohz full code needs irq work to trigger its own interrupt so that
the subsystem can work even when the tick is stopped.

Lets introduce arch_irq_work_has_interrupt() that archs can override to
tell about their support for this ability.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
This commit is contained in:
Peter Zijlstra
2014-09-06 15:43:02 +02:00
committed by Frederic Weisbecker
parent a80e49e2cc
commit c5c38ef3d7
31 changed files with 42 additions and 1 deletions
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arch/m68k/include/asm/Kbuild
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@@ -11,6 +11,7 @@ generic-y += hw_irq.h
generic-y += ioctl.h
generic-y += ipcbuf.h
generic-y += irq_regs.h
generic-y += irq_work.h
generic-y += kdebug.h
generic-y += kmap_types.h
generic-y += kvm_para.h