On Tue, 5 Oct 2021 22:15:40 +0300 Leon Romanovsky wrote: > On Tue, Oct 05, 2021 at 11:32:13AM -0700, Jakub Kicinski wrote: > > On Tue, 5 Oct 2021 10:32:45 +0300 Leon Romanovsky wrote: > > > It is impossible, devlink_register() is part of .probe() flow and if it > > > wasn't called -> probe didn't success -> net_device doesn't exist. > > > > Are you talking about reality or the bright future brought by auxbus? > > I looked on all the drivers which called to devlink_alloc() which is > starting point before devlink_register(). All of them used it in the > probe. My annotation patch checks that too. > > https://lore.kernel.org/linux-rdma/f65772d429d2c259bbc18cf5b1bbe61e39eb7081.1633284302.git.leonro@xxxxxxxxxx/T/#u > > So IMHO, it is reality. You say that yet below you admit flashing is broken :/ > > > We are not having net_device without "connected" device beneath, aren't we? > > > > > > At least drivers that I checked are not prepared at all to handle call > > > to devlink->ops.flash_update() if they didn't probe successfully. > > > > Last time I checked you moved the devlink_register() at the end of > > probe which for all no-auxbus drivers means after register_netdev(). > > I need to add a check of if(devlink_register) inside devlink_compat_flash_update(). ... and the workarounds start to pile up. > > I don't like it. If you're feeling strongly please gather support of > > other developers. Right now it's my preference against yours. I don't > > even see you making arguments that your approach is better, just that > > mine is not perfect and requires some similar changes. > > I have an idea of how to keep static ops and allow devlink_set_ops() > like functionality. > > What about if I group ops by some sort of commonalities? > > In my case, it will be devlink_reload_ops, which will include reload > relevant callbacks and provide devlink_set_reload_ops() wrapper to set > them? > > It will ensure that all pointers are const without need to have feature > bits. I don't understand why you keep pushing the op reassignment.