On Tue 14-06-22 12:00:22, Linus Torvalds wrote: > On Tue, Jun 14, 2022 at 11:51 AM Linus Torvalds > <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: > > > > Or just make sure that noop_backing_dev_info is fully initialized > > before it's used. > > I don't see any real reason why that > > err = bdi_init(&noop_backing_dev_info); > > couldn't just be done very early. Maybe as the first call in > driver_init(), before the whole devtmpfs_init() etc. I've checked the dependencies and cgroups (which are the only non-trivial dependency besides per-CPU infrastructure) are initialized early enough so it should work fine. So let's try that. Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
