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SubjectRe: Passing references to kobjects between userland and kernel
On Wed, Jun 14, 2006 at 04:26:38PM +0200, Daniele orlandi wrote:
>
> Hello,
>
> I'm trying to figure out what is the correct way to pass references to
> kobjects between userland and kernel space.

Use the kobject_uevent() call from kernelspace to let userspace know
whatever you want it to. That is what it is there for :)

>
> I have my big object hierarchy of kobjects representing a TDM interconnect
> graph with channels, crossconnectors, physical ports and so on.
> The main objects are nodes and archs; archs connect two nodes together.
>
> The hierarchy is exported to sysfs.
>
> From userland I want to tell the kernel "Connect node X to node Y".

Then use the names of the kobjects within your subdirectory. They have
to be unique so you should be safe.

Or use configfs :)

thanks,

greg k-h
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