Messages in this thread | | | Date | Thu, 6 Nov 2008 09:05:46 -0600 (CST) | From | Christoph Lameter <> | Subject | Re: [patch 4/7] cpu ops: Core piece for generic atomic per cpu operations |
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On Thu, 6 Nov 2008, Dave Chinner wrote:
> On Wed, Nov 05, 2008 at 05:16:38PM -0600, Christoph Lameter wrote: > > + > > +#define __CPU_CMPXCHG(var, old, new) \ > > +({ \ > > + typeof(obj) x; \ > > + typeof(obj) *p = THIS_CPU(&(obj)); \ > > + x = *p; \ > > + if (x == (old)) \ > > + *p = (new); \ > > + (x); \ > > +}) > > I don't think that will compile - s/obj/var/ perhaps?
Correct.
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