Re: [Qemu-devel] [PATCH for-4.1 0/2] spapr/xics: Last minute fixes

[David Gibson]

On Wed, Jul 24, 2019 at 06:57:09PM +0200, Greg Kurz wrote:
> KVM on POWER9 doesn't use the XIVE VP space optimally. This currently
> limits the number of VMs we can start to 127. Starting with the 128th
> one, KVM fails to create the XIVE or the XICS-on-XIVE device and we
> go through the fallback paths in QEMU.
> 
> The XICS error path still has an issue that prevents the guest to do
> interrupts, even after QEMU fell back on XICS emulation. This is
> fixed with patch 2.
> 
> Patch 1 is just a _trivial_ improvement of the warning that gets
> emited when falling back to emulated IC. Feel free to apply it to
> 4.2 or even to drop it if you don't want it in 4.1.

Applied to ppc-for-4.1.  Finding a time to do a PR will be
interesting, but I'll see what I can do

-- 
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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