Re: race in usbnet.c in full RT

[Steven Rostedt <rostedt@goodmis.org>]

On Wed, 2005-06-08 at 12:34 +0200, Ingo Molnar wrote:
> * Eugeny S. Mints <emints@ru.mvista.com> wrote:
> 
> > seems there is a race in drivers/net/usbnet.c in full RT mode. To be 
> > honest I haven't hardly checked this on the latest kernel and latest 
> > RT patch but just took a look at usbnet.c and latest RT patch and 
> > haven't observed any related changes.
> 
> thanks, i've applied your patch to my tree. Note that your patch is 
> specific to the -RT kernel (both in terms of semantics and in term of 
> API dependence), so it does not make any sense to apply it upstream.  
> David, please ignore it.
> 

Is this action only take place on the same CPU, or is this also an SMP
problem?  I would think if this is a race with full RT, that this may
also be a race with SMP, unless the race is guaranteed to always happen
on the same CPU. Then this is only a RT problem.

-- Steve