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SubjectRe: Porting kref to a 2.4 kernel (2.4.20 or greater)
Dipankar Sarma wrote:
> On Wed, Jun 15, 2005 at 03:47:51PM -0700, Hareesh Nagarajan wrote:
>
>>Correction:
>>(Appears with a *)
>>
>>Greg KH wrote:
>>
>>>On Wed, Jun 15, 2005 at 10:20:04AM -0700, Hareesh Nagarajan wrote:
>>>
>>>
>>>>What stumbling blocks do you think I would encounter if I wanted to port
>>>>kref to a 2.4.xx kernel? Is kref tightly coupled with the kernel object
>>>>infrastructure found in the 2.6.xx kernel?
>>>
>>>Have you looked at the kref code to see if there is any such coupling?
>>
>>>Can you describe any problems you are having doing the uncoupling?
>>
>>I'm having problems porting the KObject* and Work Queue infrastructure
>>to the 2.4 kernel. Any ideas if anyone has tried this port?
>>
>>(Correction: * => I meant KThread)
>
>
> There were a number of backports of 2.6 workqueue stuff without
> kthread (before they were introduced for cpu hotplug) floating
> around in mailing list. You can probably google for them.

I will do that!

> Aren't they sufficient or does google want to do CPU hotplug ? :)

I was thinking of porting the RelayFS patches (from 2.6.11-mm2) to the
2.4 kernel. RelayFS seems to use the work queue infrastructure.

And AFAIK, Google doesn't seem to be too interested in hotplugging :)

Thanks Dipankar!

Hareesh
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