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- What: /sys/devices
- Date: February 2006
- Contact: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- Description:
- The /sys/devices tree contains a snapshot of the
- internal state of the kernel device tree. Devices will
- be added and removed dynamically as the machine runs,
- and between different kernel versions, the layout of the
- devices within this tree will change.
- Please do not rely on the format of this tree because of
- this. If a program wishes to find different things in
- the tree, please use the /sys/class structure and rely
- on the symlinks there to point to the proper location
- within the /sys/devices tree of the individual devices.
- Or rely on the uevent messages to notify programs of
- devices being added and removed from this tree to find
- the location of those devices.
- Note that sometimes not all devices along the directory
- chain will have emitted uevent messages, so userspace
- programs must be able to handle such occurrences.
- Users:
- udev <linux-hotplug-devel@lists.sourceforge.net>
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