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

[Arnout Vandecappelle]

On 15-09-15 14:01, Peter Korsgaard wrote:
> 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.

 That's a great idea, because it actually simplifies the buildroot code (no
longer needed to force devtmpfs in the kernel when mdev is selected).

 To detect, it's as simple as:

if [ "$(cut -d ' ' -f 2,3 /proc/mounts | sed -n '/^\/dev /s///p')" != devtmpfs ]


 Regards,
 Arnout


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Arnout Vandecappelle      arnout dot vandecappelle at essensium dot com
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