From: Alexander Duyck <alexander.h.duyck@xxxxxxxxxx> Date: Tue, 11 Nov 2014 13:12:32 -0800 > The architectures I need to sort out are arm, x86, sparc, ia64, and > s390 as they are the only ones that tried to make use of the > smp_load_acquire logic. On sparc64, you don't have to worry about anything really. Only mb() does anything. The cpus execute in a reasonably strict memory ordering mode, and that's why rmb/wmb and friends are simply nops with a compiler barrier. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html