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Commit c5c38ef3 authored Sep 06, 2014 by Peter Zijlstra Committed by Frederic Weisbecker Sep 13, 2014

irq_work: Introduce arch_irq_work_has_interrupt()



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>

parent a80e49e2

arch/alpha/include/asm/Kbuild

+1 −0

Original line number	Diff line number	Diff line
		@@ -4,6 +4,7 @@ generic-y += clkdev.h
		generic-y += cputime.h
		generic-y += exec.h
		generic-y += hash.h
		generic-y += irq_work.h
		generic-y += mcs_spinlock.h
		generic-y += preempt.h
		generic-y += scatterlist.h

arch/arc/include/asm/Kbuild

+1 −0

Original line number	Diff line number	Diff line
		@@ -18,6 +18,7 @@ generic-y += ioctl.h
		generic-y += ioctls.h
		generic-y += ipcbuf.h
		generic-y += irq_regs.h
		generic-y += irq_work.h
		generic-y += kmap_types.h
		generic-y += kvm_para.h
		generic-y += local.h

arch/arm/include/asm/Kbuild

+1 −0

Original line number	Diff line number	Diff line
		@@ -11,6 +11,7 @@ generic-y += hash.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 += local.h
		generic-y += local64.h

arch/arm64/include/asm/Kbuild

+2 −1

Original line number	Diff line number	Diff line
		@@ -9,8 +9,8 @@ generic-y += current.h
		generic-y += delay.h
		generic-y += div64.h
		generic-y += dma.h
		generic-y += emergency-restart.h
		generic-y += early_ioremap.h
		generic-y += emergency-restart.h
		generic-y += errno.h
		generic-y += ftrace.h
		generic-y += hash.h
		@@ -19,6 +19,7 @@ generic-y += ioctl.h
		generic-y += ioctls.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

arch/avr32/include/asm/Kbuild

+1 −0

Original line number	Diff line number	Diff line
		@@ -9,6 +9,7 @@ generic-y += exec.h
		generic-y += futex.h
		generic-y += hash.h
		generic-y += irq_regs.h
		generic-y += irq_work.h
		generic-y += local.h
		generic-y += local64.h
		generic-y += mcs_spinlock.h