OpenFirmware devices and hotplug events

Greg KH greg at
Thu Mar 18 12:03:58 EST 2004

On Thu, Mar 18, 2004 at 11:43:34AM +1100, Benjamin Herrenschmidt wrote:
> > Yes, that's exactly what /sys/firmware is for.  A userspace
> > representation of the machine's firmware.  Look at a i386 box running
> > ACPI for an example of just that.
> I'd prefer on-the-fly creation of dentries & inodes rather than
> having it all in sysfs statically. BTW. Doesn't sparc has a
> filesystem for exposing the firmware device-tree ? maybe that's
> worth looking at.

There are some patches out there that do just that for sysfs, but they
still need work before making it into the mainline kernel.


greg k-h

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