This was discussed in: https://www.redhat.com/archives/libvir-list/2011-May/msg01370.html The capabilities code only sets the flag to allow use of vhost-net if kvm is detected (set if the help string contains "(qemu-kvm-" or "(kvm-"), but actually vhost-net is available in some qemu builds that don't have kvm in their name, so just checking for ",vhost=" is enough. --- src/qemu/qemu_capabilities.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index ea55df5..71a54a5 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -982,7 +982,7 @@ qemuCapsComputeCmdFlags(const char *help, if (is_kvm && (version >= 10000 || kvm_version >= 74)) qemuCapsSet(flags, QEMU_CAPS_VNET_HDR); - if (is_kvm && strstr(help, ",vhost=")) { + if (strstr(help, ",vhost=")) { qemuCapsSet(flags, QEMU_CAPS_VNET_HOST); } -- 1.7.3.4 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list