Bjoern Walk <bwalk@xxxxxxxxxxxxx> [2020-03-26, 11:32AM +0100]: > Add the capability for QEMU's packed virtqueues for virtio that supposedly have > better cache utilization and performance compared to the default split queues. > > Signed-off-by: Bjoern Walk <bwalk@xxxxxxxxxxxxx> > --- > src/qemu/qemu_capabilities.c | 6 ++++++ > src/qemu/qemu_capabilities.h | 1 + > tests/qemucapabilitiesdata/caps_4.2.0.aarch64.xml | 1 + > tests/qemucapabilitiesdata/caps_4.2.0.x86_64.xml | 1 + > tests/qemucapabilitiesdata/caps_5.0.0.aarch64.xml | 1 + > tests/qemucapabilitiesdata/caps_5.0.0.ppc64.xml | 1 + > tests/qemucapabilitiesdata/caps_5.0.0.x86_64.xml | 1 + > 7 files changed, 12 insertions(+) If this https://www.redhat.com/archives/libvir-list/2020-March/msg00979.html is accepted then we need to squash this in: diff --git a/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml b/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml index e46259e669..61a34da2d8 100644 --- a/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml +++ b/tests/qemucapabilitiesdata/caps_4.2.0.s390x.xml @@ -144,6 +144,7 @@ <flag name='rng-builtin'/> <flag name='virtio-net.failover'/> <flag name='vhost-user-fs'/> + <flag name='packed'/> <version>4002000</version> <kvmVersion>0</kvmVersion> <microcodeVersion>39100242</microcodeVersion>
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