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Re: [Qemu-ppc] [PATCH 1/2] spapr/rtas: disable the decrementer interrupt
From: |
David Gibson |
Subject: |
Re: [Qemu-ppc] [PATCH 1/2] spapr/rtas: disable the decrementer interrupt when a CPU is unplugged |
Date: |
Fri, 6 Oct 2017 21:10:10 +1100 |
User-agent: |
Mutt/1.9.0 (2017-09-02) |
On Fri, Oct 06, 2017 at 11:53:30AM +0200, Benjamin Herrenschmidt wrote:
> On Fri, 2017-10-06 at 20:07 +1100, David Gibson wrote:
> > Hm. Checking mmu_model doesn't seem right to me. I mean, it'll get
> > the right answer in practice, but the LPCR programming has nothing
> > whatsoever to do with the MMU.
> >
> > I think explicitly checking if cpu_ is a POWER9 instance with
> > object_dynamic_cast would be a better option.
>
> Best is ARCH 300 ... do we hvae arch versions outside of MMU model
> these days ?
Not that I could spot easily. Apart from implicitly in the cpu
family.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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[Qemu-ppc] [PATCH 2/2] spapr/rtas: do not reset the MSR in stop-self command, Cédric Le Goater, 2017/10/05
Re: [Qemu-ppc] [PATCH 0/2] disable the decrementer interrupt when a CPU is unplugged, Nikunj A Dadhania, 2017/10/06