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Re: [RFC PATCH for 4.18 12/23] cpu_opv: Provide cpu_opv system call (v7)

> Can we plan on merging just the plain rseq parts *without* this all
> first, and then see the cpu_opv thing as a "maybe future expansion"
> part.

That would be the right way to go. I doubt anybody really needs cpu_opv.
We already have other code (e.g. vgettimeofday) which cannot 
be single stepped, and so far it never was a problem.