On Mon, Jan 25, 2021 at 01:27:51PM -0800, Yu, Yu-cheng wrote:
> > Maybe I'm missing something but those two can happen outside of the
> > loop, no? Or is *ptep somehow changing concurrently while the loop is
> > doing the CMPXCHG and you need to recreate it each time?
> >
> > IOW, you can generate upfront and do the empty loop...
>
> *ptep can change concurrently.
Care to elaborate?
--
Regards/Gruss,
Boris.
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