On 05/03/2017 10:05 AM, Ján Tomko wrote:
Add a new <ioapic> element with a driver attribute.
Possible values are qemu and kvm. With 'qemu', the I/O APIC can be put in the userspace even for KVM domains.
https://bugzilla.redhat.com/show_bug.cgi?id=1427005 --- docs/formatdomain.html.in | 8 ++++++ docs/schemas/domaincommon.rng | 15 ++++++++++ src/conf/domain_conf.c | 33 +++++++++++++++++++++- src/conf/domain_conf.h | 11 ++++++++ .../qemuxml2argv-intel-iommu-ioapic.xml | 29 +++++++++++++++++++ .../qemuxml2xmlout-intel-iommu-ioapic.xml | 1 + tests/qemuxml2xmltest.c | 1 + 7 files changed, 97 insertions(+), 1 deletion(-) create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-intel-iommu-ioapic.xml create mode 120000 tests/qemuxml2xmloutdata/qemuxml2xmlout-intel-iommu-ioapic.xml
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 8c884f4..6669e71 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -1678,6 +1678,7 @@ </kvm> <pvspinlock state='on'/> <gic version='2'/> + <ioapic driver='qemu'/>
</features> ...</pre> @@ -1839,6 +1840,13 @@ for hypervisor to decide. <span class="since">Since 2.1.0</span> </dd> + <dt><code>ioapic</code></dt> + <dd>Tune the I/O APIC. Possible values for the + <code>driver</code> attribute are: + <code>kvm</code> (default for KVM domains) + and <code>qemu</code> which puts I/O APIC in userspace.
s/./which is also known as a split I/O APIC mode.
+ <span class="since">Since 3.4.0</span> (KVM only)
should this be QEMU/KVM like patch 3 ?
+ </dd> </dl>
<h3><a name="elementsTime">Time keeping</a></h3>
[...] ACK w/ slight adjustments. John