On Mon, Oct 16, 2017 at 03:02:52PM +0300, Sagi Grimberg wrote: > But why should the kernel ever need to mangle the CQ? if a lease break > would deregister the MR the device is expected to generate remote > protection errors on its own. The point is to avoid protection errors - hittles change over when the DAX mapping changes like ODP does. Theonly way to get there is to notify the app before the mappings change.. Dan suggested having ibv_pollcq return this indication.. Jason
