Re: SMP with linux

From: Andrew Morton (andrewm@uow.edu.au)
Date: Fri Mar 31 2000 - 09:33:45 EST

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Alan Cox wrote:
>
> > can anyone give me some information what I'd have to do,
> > to make a linux device-driver SMP secure.
>
> Deal with the locking. Your transmit routine is single threaded but may be
> running at the same time as an IRQ on a 2nd cpu, statistics queries on
> cpus and also multicast list updates.

Where does tx_timeout() stand wrt hard_start_xmit(), get_stats() and
set_multicast_list()?

And do_ioclt() wrt all the above?

-- -akpm-

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