Re: [rfc 03/45] Generic CPU operations: Core piece

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On Mon, 19 Nov 2007, Mathieu Desnoyers wrote:

> 
> Very interesting patch! I did not expect we could mix local atomic ops
> with per CPU offsets in an atomic manner.. brilliant :)
> 
> Some nitpicking follows...

Well this is a draft so I was not that thorough. The beast is getting too 
big. It would be good if I could get the first patches merged that just 
deal with the two allocators and then gradually work the rest.

> I think you could use extra () around old, new etc.. ?

Right.

> Same here.
> 
> > +	(x);					\
> 
> () seems unneeded here, since x is local.

But (x) is returned to the "caller" of the macro so it should be specially 
marged.

> > + * In that case we can simply disable preemption which
> > + * may be free if the kernel is compiled without preemption.
> > + */
> > +
> > +#define _CPU_READ(addr)				\
> > +({						\
> > +	(__CPU_READ(addr));			\
> > +})
> 
> ({ }) seems to be unneeded here.

Hmmm.... I wanted a consistent style.

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