On 13/03/18 01:53 PM, Sinan Kaya wrote: > I agree disabling globally would be bad. Somebody can always say I have > ten switches on my system. I want to do peer-to-peer on one switch only. Now, > this change weakened security for the other switches that I had no intention > with doing P2P. > > Isn't this a problem? Well, if it's a problem for someone they'll have to solve it. We're targeting JBOFs that have no use for ACS / IOMMU groups at all. > Can we specify the BDF of the downstream device we want P2P with during boot via > kernel command line? That's a painful configuration burden. And then things might stop working if you change your topology at all and now have to change boot parameters. Logan -- 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