Hello, I wonder why smp_mb() is not needed in the "__mutex_fastpath_lock" and "__mutex_fastpath_unlock" functions which are located in the "arch/arm/include/asm/mutex.h"? I think "dmb" instruction is necessary there. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- ARM: why smp_mb() is not needed in the "__mutex_fastpath_... shan kang