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Diffstat (limited to 'arch/powerpc/platforms/pseries/lpar.c')
-rw-r--r--arch/powerpc/platforms/pseries/lpar.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index da7e7c243864..7869121ab431 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -113,6 +113,10 @@ void register_dtl_buffer(int cpu)
}
}
+#ifdef CONFIG_PPC_SPLPAR
+DEFINE_RWLOCK(dtl_access_lock);
+#endif /* CONFIG_PPC_SPLPAR */
+
void vpa_init(int cpu)
{
int hwcpu = get_hard_smp_processor_id(cpu);