Message ID | 156398742921.546975.8822387598242513827.stgit@bahia.lan (mailing list archive) |
---|---|
Headers | show |
Series | spapr/xics: Last minute fixes | expand |
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