On Tue, Sep 06, 2022 at 03:21:25PM +0100, Matthew Wilcox wrote: > On Tue, Sep 06, 2022 at 04:01:13PM +0200, Michał Winiarski wrote: > > 64 DRM device nodes is not enough for everyone. > > Upgrade it to ~512K (which definitely is more than enough). > > > > To allow testing userspace support for >64 devices, add additional DRM > > modparam (skip_legacy_minors) which causes DRM to skip allocating minors > > in 0-192 range. > > Additionally - one minor tweak around minor DRM IDR locking and IDR lockdep > > annotations. > > The IDR is deprecated; rather than making all these changes around > the IDR, could you convert it to use the XArray instead? I did it > once before, but those patches bounced off the submissions process. Sure. The IDR annotation can still be useful for existing users though, are you saying I should drop it as well? -Michał