Re: [PATCH v4 2/3] KVM: s390: Kick PV cpus at the right time for service irqs

> Service call handling is a two stage process for PV vms. First we
> receive the secure instruction intercept and then the secure
> instruction notification intercept.
> 
> The secure instruction intercept (104) is analogous to the non-pv
> instruction intercept (4) with the difference that we're not allowed
> to inject an IRQ when re-entering SIE. We have to wait for the
> notification intercept (108) which tells us that we're allowed to
> inject.
> 
> Unfortunately we never considered this difference and hence the IRQ
> injection code will try to inject on the secure instruction intercept
> where service IRQs are masked.
> 
> It's time to move injection to the instruction notification and skip
> injection on the instruction interception path.
> 
> Signed-off-by: Janosch Frank <[email protected]>

Sashiko has reviewed this patch and found no issues. It looks great!

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