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SubjectRe: [patch][rfc] rwsem: generic rwsem
Nick Piggin <> 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

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