On Mon, 11 Dec 2017 14:47:25 +0100 David Hildenbrand <da...@redhat.com> wrote:
> This patch series implements floating interrupt support for TCG and fixes > STSI so we can remove warnings related to s390x SMP and MTTCG. > > KVM code has to be touched in order to factor out the injection routines > into the flic ("s390x/flic: factor out injection of floating interrupts"). > Basic testing didn't reveal any problems so far. > > With this series I am now able to run fedora 26/27 and Ubuntu 17.10+ with > 16 VCPUs (MTTCG) on a 8CPU host, doing a make -j16 in the guest. I got > nasty stalls in the guest beforehand. > > I already sent the patches > - "cpus: make pause_all_cpus() play with SMP on single threaded TCG" > - "cpu-exec: fix missed CPU kick during interrupt injection" > separately, but as nobody commented so far (e.g. due to 2.11) I am including > them here as they are required to make SMP work reliably. > > Based on: https://github.com/cohuck/qemu.git s390x-next > Available at: https://github.com/davidhildenbrand/qemu.git s390x-queue Generally, this looks good to me. I have commented on the individual patches. Looking forward to a v2 :)