On Thu, Aug 16, 2007 at 08:30:23AM +0800, Herbert Xu wrote:
> On Wed, Aug 15, 2007 at 05:23:10PM -0700, Paul E. McKenney wrote:
> > On Thu, Aug 16, 2007 at 08:12:48AM +0800, Herbert Xu wrote:
> > > On Wed, Aug 15, 2007 at 04:53:35PM -0700, Paul E. McKenney wrote:
> > > >
> > > > > > Communicating between process context and interrupt/NMI handlers using
> > > > > > per-CPU variables.
> > > > >
> > > > > Remeber we're talking about atomic_read/atomic_set. Please
> > > > > cite the actual file/function name you have in mind.
> > > >
> > > > Yep, we are indeed talking about atomic_read()/atomic_set().
> > > >
> > > > We have been through this issue already in this thread.
> > >
> > > Sorry, but I must've missed it. Could you cite the file or
> > > function for my benefit?
> >
> > I might summarize the thread if there is interest, but I am not able to
> > do so right this minute.
>
> Thanks. But I don't need a summary of the thread, I'm asking
> for an extant code snippet in our kernel that benefits from
> the volatile change and is not part of a busy-wait.
Sorry, can't help you there. I really do believe that the information
you need (as opposed to the specific item you are asking for) really
has been put forth in this thread.
Thanx, Paul
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