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.
I've only recently got in today, so it'll be a while (== tomorrow) before I can get around to doing any tests. (It's evening this side of the pond.) -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: - 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/