3.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
commit 690cec8e70c211d1f5f6e520b21a68d0306173b6 upstream.
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@xxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Signed-off-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/s390/kernel/irq.c | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -314,6 +314,7 @@ void measurement_alert_subclass_unregist
}
EXPORT_SYMBOL(measurement_alert_subclass_unregister);
+#ifdef CONFIG_SMP
void synchronize_irq(unsigned int irq)
{
/*
@@ -322,6 +323,7 @@ void synchronize_irq(unsigned int irq)
*/
}
EXPORT_SYMBOL_GPL(synchronize_irq);
+#endif
#ifndef CONFIG_PCI
--
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