On Fri, 23 Oct 2020 20:48:16 +0200 Guillaume Nault wrote: > On Fri, Oct 23, 2020 at 11:23:04AM -0700, Jakub Kicinski wrote: > > On Fri, 23 Oct 2020 18:19:43 +0200 Guillaume Nault wrote: > > > Since commit b7c24497baea ("mpls: load mpls_gso after mpls_iptunnel"), > > > mpls_iptunnel.ko has a softdep on mpls_gso.ko. For this to work, we > > > need to ensure that mpls_gso.ko is built whenever MPLS_IPTUNNEL is set. > > > > Does it generate an error or a warning? I don't know much about soft > > dependencies, but I'd think it's optional. > > Yes, it's optional from a softdep point of view. My point was that > having a softdep isn't a complete solution, as a bad .config can still > result in inability to properly transmit GSO packets.
IMO the combination of select and softdep feels pretty strange. It's either a softdep and therefore optional, or we really don't want to be missing it in a correctly functioning system, and the dependency should be made stronger.