On Wed, Dec 06, 2006 at 11:05:22AM -0800, Linus Torvalds wrote:
>
>
> On Wed, 6 Dec 2006, Christoph Lameter wrote:
> >
> > I'd really appreciate a cmpxchg that is generically available for
> > all arches. It will allow lockless implementation for various performance
> > criticial portions of the kernel.
>
> I suspect ARM may have been the last one without one, no?
>
> That said, cmpxchg won't necessarily be "high-performance" unless the hw
> supports it naturally in hardware, so..
>
> Russell, are you ok with the code DavidH posted (the "try 2" one)? I'd
> like to get an ack from the ARM maintainer before applying it, but it
> looked ok.
Things seem to have moved on since this request. Do I need to do
anything? I dunno.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
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