On Mon, 15 Jan 2018, Mathieu Desnoyers wrote: > Introduce an architecture function that ensures the current CPU > issues a core serializing instruction before returning to usermode. > > This is needed for the membarrier "sync_core" command. > > Architectures defining the sync_core_before_usermode() static inline > need to select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE. Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
