Commit 690cec8e authored Jun 14, 2013 by Ben Hutchings Committed by Martin Schwidefsky Jun 19, 2013

s390/irq: Only define synchronize_irq() on SMP



In uniprocessor configurations, synchronize_irq() is defined in
<linux/hardirq.h> as a macro, and this function definition fails to
compile.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@vger.kernel.org # 3.9
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent 17858ca6

arch/s390/kernel/irq.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -312,6 +312,7 @@ void measurement_alert_subclass_unregister(void)
		}
		EXPORT_SYMBOL(measurement_alert_subclass_unregister);

		#ifdef CONFIG_SMP
		void synchronize_irq(unsigned int irq)
		{
		/*
		@@ -320,6 +321,7 @@ void synchronize_irq(unsigned int irq)
		*/
		}
		EXPORT_SYMBOL_GPL(synchronize_irq);
		#endif

		#ifndef CONFIG_PCI