On Mon, Jan 29, 2018 at 06:33:25PM -0500, Jerome Glisse wrote: > Between i would also like to participate, in my view the burden should > be on GUP users, so if hardware is not ODP capable then you should at > least be able to kill the mapping/GUP and force the hardware to redo a > GUP if it get any more transaction on affect umem. Can non ODP hardware > do that ? Or is it out of the question ? For RDMA we can have the HW forcibly tear down the MR, but it is incredibly disruptive and nobody running applications would be happy with this outcome. Jason -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
