On Tue, Jul 24, 2018 at 6:23 PM Michael S. Tsirkin <m...@redhat.com> wrote: > > On Tue, Jul 24, 2018 at 04:52:53PM -0400, Willem de Bruijn wrote: > > >From the above linked patch, I understand that there are yet > > other special cases in production, such as a hard cap on #tx queues to > > 32 regardless of number of vcpus. > > I don't think upstream kernels have this limit - we can > now use vmalloc for higher number of queues.
Yes. that patch* mentioned it as a google compute engine imposed limit. It is exactly such cloud provider imposed rules that I'm concerned about working around in upstream drivers. * for reference, I mean https://patchwork.ozlabs.org/patch/725249/
