CONFIG_DEVTMPFS
Jan Rękorajski
baggins at sith.mimuw.edu.pl
Wed Dec 16 13:22:00 CET 2009
On Wed, 16 Dec 2009, Patryk Zawadzki wrote:
> Linux 2.6.32.* comes with a handy function:
>
> CONFIG_DEVTMPFS:
>
> "This creates a tmpfs filesystem, and mounts it at bootup
> and mounts it at /dev. The kernel driver core creates device
> nodes for all registered devices in that filesystem. All device
> nodes are owned by root and have the default mode of 0600.
> Userspace can add and delete the nodes as needed. This is
> intended to simplify bootup, and make it possible to delay
> the initial coldplug at bootup done by udev in userspace.
> It should also provide a simpler way for rescue systems
> to bring up a kernel with dynamic major/minor numbers.
> Meaningful symlinks, permissions and device ownership must
> still be handled by userspace."
>
> Maybe we could simplify our geninitrd?
Better not.
http://readlist.com/lists/vger.kernel.org/linux-kernel/148/740255.html
--
Jan Rękorajski | ALL SUSPECTS ARE GUILTY. PERIOD!
baggins<at>mimuw.edu.pl | OTHERWISE THEY WOULDN'T BE SUSPECTS, WOULD THEY?
BOFH, MANIAC | -- TROOPS by Kevin Rubio
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