From: Vineet Gupta [mailto:vineet.gup...@synopsys.com] Sent: Monday, November 02, 2015 10:03 AM
> Do u need this even for mandatory barriers whose semantics are not related to > SMP at all ? I think you need them only for smb_* Yes I do. For example it is used to proceed access to our Global Interrupt Manager (GIM) when we want to make sure that driver of some device committed all read/writes before we are acknowledging the GIM. We are not falling to use "sync" since we prefer to have HW thread schedule in the meantime we wait for load/store to be done. - Noam -- 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/