#define __arm_heavy_mb(x...) dsb(x)
#endif
-#ifdef CONFIG_ARCH_HAS_BARRIERS
-#include <mach/barriers.h>
-#elif defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP)
+#if defined(CONFIG_ARM_DMA_MEM_BUFFERABLE) || defined(CONFIG_SMP)
#define mb() __arm_heavy_mb()
#define rmb() dsb()
#define wmb() __arm_heavy_mb(st)
You are recommended say 'Y' here and debug any affected drivers.
-config ARCH_HAS_BARRIERS
- bool
- help
- This option allows the use of custom mandatory barriers
- included via the mach/barriers.h file.
-
config ARM_HEAVY_MB
bool