Dmitry Mishin <dim@openvz.org> writes:

> Added functions and macros required to operate with network namespaces.
> They are required in order to switch network namespace for incoming packets and
> to not extend current network interface by additional network namespace argue.

Is exec_net only used in interrupt context?
Or how do you ensure a sleeping function does not get called and the
kernel process comes back on another cpu?

Eric
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On Wednesday 17 January 2007 23:16, Eric W. Biederman wrote:
> Dmitry Mishin <dim@openvz.org> writes:
> 
> > Added functions and macros required to operate with network namespaces.
> > They are required in order to switch network namespace for incoming packets and
> > to not extend current network interface by additional network namespace argue.
> 
> Is exec_net only used in interrupt context?
I tried to do so.

> Or how do you ensure a sleeping function does not get called and the
> kernel process comes back on another cpu?
Seems that I forgot to remove it's usage at least in one place - in
clone_net_ns(). If you caught more, please, let me know. 

-- 
Thanks,
Dmitry.
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Dmitry Mishin <dim@openvz.org> writes:

> On Wednesday 17 January 2007 23:16, Eric W. Biederman wrote:
>> Dmitry Mishin <dim@openvz.org> writes:
>> 
>> > Added functions and macros required to operate with network namespaces.
>> > They are required in order to switch network namespace for incoming packets
> and
>> > to not extend current network interface by additional network namespace
> argue.
>> 
>> Is exec_net only used in interrupt context?
> I tried to do so.
>
>> Or how do you ensure a sleeping function does not get called and the
>> kernel process comes back on another cpu?
> Seems that I forgot to remove it's usage at least in one place - in
> clone_net_ns(). If you caught more, please, let me know. 

Hmm.  veth seems to be using it around unregister_netdevice.

Eric
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