On Tue, Jun 13, 2017 at 10:25:40AM -0600, Logan Gunthorpe wrote: > > > On 12/06/17 10:35 PM, Greg Kroah-Hartman wrote: > > Or better yet, just turn all char major allocations into dynamic, which > > would be really good for test systems. I thought someone proposed > > patches for that a long time ago, but I can't find them anymore. That > > would be the simplest solution here. > > Would people not complain about that? I would not be surprised if some > crazy application is using hard coded major numbers in userspace. So > such a change could potentially break userspace... For char devices, I doubt it, but we can't take the chance, which is why you make it an option. Then, it's enabled for 'allmodconfig' builds, which helps testers out. thanks, greg k-h
