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-rw-r--r--backport/backport-include/asm/barrier.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/backport/backport-include/asm/barrier.h b/backport/backport-include/asm/barrier.h
index 9e1e1f11..bca05588 100644
--- a/backport/backport-include/asm/barrier.h
+++ b/backport/backport-include/asm/barrier.h
@@ -19,4 +19,8 @@
#define smp_mb__after_atomic smp_mb__after_clear_bit
#endif
+#ifndef smp_acquire__after_ctrl_dep
+#define smp_acquire__after_ctrl_dep() smp_rmb()
+#endif
+
#endif /* __BACKPORT_ASM_BARRIER_H */