Importance of kobject

Greg KH greg at
Wed May 17 07:50:46 EDT 2017

On Wed, May 17, 2017 at 12:34:28PM +0100, Okash Khawaja wrote:
> Hi,
> On Wed, May 17, 2017 at 8:08 AM, Madhu K <madhu.sk89 at> wrote:
> > Hi All,
> >
> > I am kernel newbie, I want to know the importance of kobject, can anybody
> > explain the importance of kobject with an example.
> To state a not-so-popular analogy, kobjects can also be viewed as root
> object in object oriented programming. So a bit like java.lang.Object.
> Of course it is not a root object and indeed C is not OO, but this
> view helps in thinking about it.

Well, it _is_ a "root object", and you can write OO code in C, which is
what we did for kobjects (and struct device, and struct class, and kref,
and other things like that.)

So it is a "popular" analogy, as this is exactly what the authors of the
code were intending for people to see.


greg k-h

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