Re: kobject events questions
From: Greg KH (greg_at_kroah.com)
Date: 09/30/04
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- In reply to: Timo Teräs: "kobject events questions"
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Date: Wed, 29 Sep 2004 16:35:07 -0700 To: Timo Ter?s <ext-timo.teras@nokia.com>
On Wed, Sep 29, 2004 at 04:37:26PM +0300, Timo Ter?s wrote:
> Hi all,
>
> I've been following the evolution of kobject events patch. This is
> because I'd like to implement a netfilter target that is able to send an
> event to userland using it.
>
> There's a small description of it and some background in the netfilter
> mailing list:
> http://lists.netfilter.org/pipermail/netfilter-devel/2004-August/016342.html
>
> Now that the events are strictly associated with kobjects (the original
> patch had a way to send arbitrary events) I have two choices:
>
> 1) Send the events so that they are always associated with the network
> devices class_device kobject. I guess this would be quite clean way to
> do it, but it'd require adding a new signal type and would limit the
> iptables target to be associated always with a interface.
>
> 2) Create a device class that has virtual timer devices that trigger
> events (ie. /sys/class/utimer). Each timer could have some attributes
> (like expired, expire_time, etc.) and would emit "change" signals
> whenever timer expires.
>
> I'd like to hear what you think of the thing I'm trying to do?
Have you looked at the "connector" patch from Evgeniy Polyakov
<johnpol@2ka.mipt.ru> that was posted to Linux kernel? After that goes
in, the kevent code will probably be tweaked to use that interface.
thanks,
greg k-h
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- Previous message: Judith Lebzelter: "OSDL aio-stress results on latest kernels show buffered random read issue"
- In reply to: Timo Teräs: "kobject events questions"
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