On Wed, Mar 1, 2017 at 2:10 AM, ira.weiny <ira.weiny@xxxxxxxxx> wrote: > On Mon, Feb 27, 2017 at 06:08:41PM +0200, Alex Rosenbaum wrote: >> Introduction >> >> -------------------------------------------------------------------------------- > After the call > > Ira > Ira, On the call we discussed that today there is no 'incarnation' value exposed for the uverbs%. You suggested an optimization by using the cdev's file creation timestamp as option for libibverbs to understand that the driver did or did-not restart since mapping of that ibv_device. Main pitfalls with this is if system time is being modified (admin or ntp/ptp). In the rare case that we have a hoplug event and time is rewinded we can accidentally reach a very hard debugging exercise. What do you think? Alex -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
