[Devel] Re: [PATCH 06/11] sysfs: Implement sysfs tagged directory support.

Tejun Heo htejun at gmail.com
Thu Jul 3 08:58:23 PDT 2008


Eric W. Biederman wrote:
> Daniel Lezcano <dlezcano at fr.ibm.com> writes:
>> The kobject events are sent through a netlink message which is not currently per
>> network namespace. Shouldn't be useful to have a way to retrieve from the
>> kobject the network namespace or the uevent socket associated with it ? IMHO
>> having idr in the kobject + netns pointer associated may help to handle the
>> sysfs isolation and makes the uevent per namespace trivial, no ?
> Grumble.  I have been conveniently been forgetting about that socket.
> Similarly we have the user mode helpers to deal with.
> For this conversation there is a simple answer.  All of that is in the
> kobject layer, and works even when you compile sysfs out of your kernel.
> Therefore it is a separate problem.  And sysfs idr tags have nothing
> to do with it.
> It is most definitely something we need to come back to.  I bet there
> are some interesting interactions when you have multiple network devices
> with the same name generating events.

Related delta: I've been thinking that uevents should be part of sysfs
not kobject as that's what the userland is gonna associate the event
with.  Would that solve the problem you're thinking about?


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