On Thu, Aug 16, 2007 at 07:41:46AM +0800, Herbert Xu wrote: > On Wed, Aug 15, 2007 at 11:45:20AM -0700, Paul E. McKenney wrote: > > On Wed, Aug 15, 2007 at 07:19:57PM +0100, David Howells wrote: > > > Herbert Xu <[email protected]> wrote: > > > > > > > Let's turn this around. Can you give a single example where > > > > the volatile semantics is needed in a legitimate way? > > > > > > Accessing H/W registers? But apart from that... > > > > 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. Thanx, Paul - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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