On 9/23/2011 12:57 PM, Jason Gunthorpe wrote: > On Fri, Sep 23, 2011 at 08:57:12AM -0400, Hal Rosenstock wrote: > >>> Technically umad already needs to use verbs on Linux because that is >>> the only way to get the subnet timeout value that is needed to compute >>> the MAD RPC timeout. Currently umad ignores this part of IBA ... >> >> Determining the MAD timeout is more complicated than this. Subnet >> timeout is insufficient (so you would need more than just this from >> verbs - things that would not be part of verbs) if this mechanism were >> to be made compliant rather than a configurable timeout as it is now. > > I didn't have any problem with this in python-rdma.
Sure; you have an algorithm that uses subnet timeout v. a configurable timeout. > The only wonky bit > was that verbs was needed for subnet timeout because it isn't in > sysfs. Everything else went according to the spec. I don't see how your algorithm can be compliant with just subnet timeout. -- Hal > Jason -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
