From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 9 May 2012 14:27:35 +0000 (+0200)
Subject: s390/smp: get rid of compile warning
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9d0f46af3ead2b38889bea07f1a031c0dfd6020e;p=linux-beck.git

s390/smp: get rid of compile warning

Add missing #ifdep CONFIG_HOTPLUG_CPU to get rid of this one:
arch/s390/kernel/smp.c:229:13: warning: 'pcpu_free_lowcore'
                               defined but not used [-Wunused-function]

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 1f77227669e8..e505458c6899 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -226,6 +226,8 @@ out:
 	return -ENOMEM;
 }
 
+#ifdef CONFIG_HOTPLUG_CPU
+
 static void pcpu_free_lowcore(struct pcpu *pcpu)
 {
 	pcpu_sigp_retry(pcpu, sigp_set_prefix, 0);
@@ -247,6 +249,8 @@ static void pcpu_free_lowcore(struct pcpu *pcpu)
 	}
 }
 
+#endif /* CONFIG_HOTPLUG_CPU */
+
 static void pcpu_prepare_secondary(struct pcpu *pcpu, int cpu)
 {
 	struct _lowcore *lc = pcpu->lowcore;