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SubjectRe: [PATCH v3 0/4] drm: Use full allocated minor range for DRM
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

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