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authorBen Hutchings <ben@decadent.org.uk>2013-06-14 01:18:44 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2013-06-19 09:25:41 +0200
commit690cec8e70c211d1f5f6e520b21a68d0306173b6 (patch)
treea7a45c1755b52b43cd9d8feb540123781636ad30 /arch/s390/kernel
parent17858ca65eef148d335ffd4cfc09228a1c1cbfb5 (diff)
downloadop-kernel-dev-690cec8e70c211d1f5f6e520b21a68d0306173b6.zip
op-kernel-dev-690cec8e70c211d1f5f6e520b21a68d0306173b6.tar.gz
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>
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/irq.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 408e866..dd3c199 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -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
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