--- zzzz-none-000/linux-3.10.107/arch/arm/include/asm/barrier.h 2017-06-27 09:49:32.000000000 +0000 +++ vr9-7490-729/linux-3.10.107/arch/arm/include/asm/barrier.h 2021-11-10 11:53:52.000000000 +0000 @@ -59,6 +59,21 @@ #define smp_wmb() dmb() #endif +#define smp_store_release(p, v) \ +do { \ + compiletime_assert_atomic_type(*p); \ + smp_mb(); \ + ACCESS_ONCE(*p) = (v); \ +} while (0) + +#define smp_load_acquire(p) \ +({ \ + typeof(*p) ___p1 = ACCESS_ONCE(*p); \ + compiletime_assert_atomic_type(*p); \ + smp_mb(); \ + ___p1; \ +}) + #define read_barrier_depends() do { } while(0) #define smp_read_barrier_depends() do { } while(0)