Quoting r. Roland Dreier <[EMAIL PROTECTED]>: > Subject: Re: [PATCH 1 of 2] mthca: qp size calculations > > Michael> What I had in mind is: lets pad all resp and cmd > Michael> structures in userspace (but not in kernel) with some > Michael> 0-initialized extra space at the tail. The time to do it > Michael> would be now before we bump the ABI. Comments? > > I'm not convinced we can do a good enough job of this to make it worth > it.
Neither do I, it was just an idea to ponder. Still, people do like upgrading kernels without touching userspace. > How do we know how much padding to leave? I guess if we run out of place we can always force the user to upgrade as we do now, or add a pointer into a sctructure. > If we're just adding parameters, it's easy to put the compat code in > userspace anyway. It's other changes that are hard to deal with. > > - R. > Well, its your call. -- MST _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
