[RFC] EDAC and /sys/devices/system
From: Doug Thompson
Date: Fri Nov 18 2005 - 17:37:24 EST
Well, I have been playing now with the sysdev class of
APIs for installing objects into /sys/devices/system.
Unforturnately, the capabilities of that do not
provide me with what I was wanting for EDAC.
What I was wanting was an extra directory called
'edac'. In that directory was to be various types of
edac devices (memory controller and PCI Parity to
In the directory /sys/devices/system:
edac/mc/mc0/<attr and controls>
edac/mc/mc1/<attr and controls>
edac/mc/<attr and controls>
edac/pci/<attr and controls>
This would allow for future edac components.
What I found out was that /sys/devices/system doesn't
allow for nested subsystems. At least not from what I
With the current APIs I can have the following in
edac_mc/edac_mc0/<attr and controls>
edac_mc/edac_mc1/<attr and controls>
edac_mc/<attr and controls>
edac_pci/edac_pci0/<attr and controls>
One solution is to add to the sysdev.c API set, but I
just don't want to go there.
So, it seems that what I can implement is the last set
"If you think Education is expensive, just try Ignorance"
"Don't tell people HOW to do things, tell them WHAT you
want and they will surprise you with their ingenuity."
Gen George Patton
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