Re: [PATCH v2] hw/arm/virt: KVM: Enable PAuth when supported by the host

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On Thu, 06 Jan 2022 18:26:29 +0000,
Richard Henderson <richard.henderson@xxxxxxxxxx> wrote:
> 
> Mm.  It does beg the question of why KVM exposes multiple bits.  If
> they must be tied, then it only serves to make the interface more
> complicated than necessary.  We would be better served to have a
> single bit to control all of PAuth.

In hindsight, there is a lot I would change in the KVM userspace ABI,
and a lot I should have pushed back on. Unfortunately, there is little
we can do now to fix it (userspace expecting this behaviour has been
in the wild for almost 3 years already).

	M.

-- 
Without deviation from the norm, progress is not possible.



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