[Buildroot] [RFC 3/6] system: add mdev-only /dev management (without devtmpfs)

[Luca Ceresoli <luca@lucaceresoli.net>]

Dear Peter,

Peter Korsgaard wrote:
>   >> But I still need to be convinced that adding this other mdev variant is
>   >> the best tradeoff between:
>   >>
>   >> - Adding the patches
>   >>
>   >> - Ask people to backport devtmpfs to their kernel
>   >>
>   >> - Ask people to handle it in a post-build script
>   >>
>   >> - Ask people to add a initramfs mounting a tmpfs on /dev + mknod before
>   >> executing init
>   >>
>   >> - Asking people to stick with user space of the same "maturity" ;) as
>   >> their kernel
>
> Or alternatively, extend the S10mdev logic to detect that it need to
> create a tmpfs on /dev (by looking for devtmpfs in /proc/filesystems or
> detecting that /dev is RO) and have all the fixup there. That way it
> atleast doesn't add any more complications to the rest of Buildroot /
> users.

Indeed another interesting option. I'll consider it, thanks.

-- 
Luca