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-rw-r--r--arch/powerpc/platforms/pseries/eeh.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index e819448ea3a7..0ba7e3b84672 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -92,6 +92,9 @@ struct eeh_ops *eeh_ops = NULL;
int eeh_subsystem_enabled;
EXPORT_SYMBOL(eeh_subsystem_enabled);
+/* Global EEH mutex */
+DEFINE_MUTEX(eeh_mutex);
+
/* Lock to avoid races due to multiple reports of an error */
static DEFINE_RAW_SPINLOCK(confirm_error_lock);