lib: override smp_load_acquire() to quiet complier assert

Signed-off-by: Hajime Tazaki <[email protected]>
libos-nuse · Dec 19, 2015 · b5b714e · b5b714e
1 parent 25f480c
commit b5b714e
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/arch/lib/include/asm/barrier.h b/arch/lib/include/asm/barrier.h
@@ -6,3 +6,11 @@
 		smp_mb();						\
 		ACCESS_ONCE(*p) = (v);					\
 	} while (0)
+
+#undef smp_load_acquire
+#define smp_load_acquire(p)						\
+({									\
+	typeof(*p) ___p1 = READ_ONCE(*p);				\
+	smp_mb();							\
+	___p1;								\
+})