Messages in this thread | | | From | David Howells <> | Subject | Re: [patch][rfc] rwsem: generic rwsem | Date | Fri, 08 Dec 2006 13:58:42 +0000 |
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Nick Piggin <npiggin@suse.de> wrote:
> > Look at how the counter works in the XADD-based version. That's the way > > it is *because* I'm using XADD. That's quite limiting. > > Not really. ll/sc architectures "emulate" xadd the same as they would > emulate a spinlock. There is nothing suboptimal about it.
Yes, really. You've missed the point entirely. Look at *how* the counter *works*.
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