3:44 p.m.
ppc64 guests don't require adding a NUMA node for hotplug memory to
work. Lift the requirement and add test cases.
---
src/qemu/qemu_domain.c | 32 ++++++++++--------
.../qemuxml2argv-memory-hotplug-ppc64-nonuma.args | 28 ++++++++++++++++
.../qemuxml2argv-memory-hotplug-ppc64-nonuma.xml | 38 ++++++++++++++++++++++
tests/qemuxml2argvtest.c | 2 ++
4 files changed, 86 insertions(+), 14 deletions(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-ppc64-nonuma.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-ppc64-nonuma.xml
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 69ddeb4..dc02efe 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -3591,11 +3591,13 @@ qemuDomainDefValidateMemoryHotplugDevice(const virDomainMemoryDef
*mem,
return -1;
}
- if (mem->targetNode == -1) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("target NUMA node needs to be specified for "
- "memory device"));
- return -1;
+ if (virDomainNumaGetNodeCount(def->numa) != 0) {
+ if (mem->targetNode == -1) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("target NUMA node needs to be specifed for "
+ "memory device"));
+ return -1;
+ }
}
if (mem->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DIMM) {
@@ -3674,15 +3676,17 @@ qemuDomainDefValidateMemoryHotplug(const virDomainDef *def,
return -1;
}
- /* due to guest support, qemu would silently enable NUMA with one node
- * once the memory hotplug backend is enabled. To avoid possible
- * confusion we will enforce user originated numa configuration along
- * with memory hotplug. */
- if (virDomainNumaGetNodeCount(def->numa) == 0) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("At least one numa node has to be configured when "
- "enabling memory hotplug"));
- return -1;
+ if (!ARCH_IS_PPC64(def->os.arch)) {
+ /* due to guest support, qemu would silently enable NUMA with one node
+ * once the memory hotplug backend is enabled. To avoid possible
+ * confusion we will enforce user originated numa configuration along
+ * with memory hotplug. */
+ if (virDomainNumaGetNodeCount(def->numa) == 0) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("At least one numa node has to be configured when
"
+ "enabling memory hotplug"));
+ return -1;
+ }
}
if (nmems > def->mem.memory_slots) {
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-ppc64-nonuma.args
b/tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-ppc64-nonuma.args
new file mode 100644
index 0000000..8b6bf3e
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-ppc64-nonuma.args
@@ -0,0 +1,28 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-ppc64 \
+-name QEMUGuest1 \
+-S \
+-M pseries \
+-m size=1310720k,slots=16,maxmem=4194304k \
+-smp 1 \
+-object memory-backend-ram,id=memdimm0,size=536870912 \
+-device pc-dimm,memdev=memdimm0,id=dimm0 \
+-object memory-backend-ram,id=memdimm1,size=536870912 \
+-device pc-dimm,memdev=memdimm1,id=dimm1 \
+-uuid 49545eb3-75e1-2d0a-acdd-f0294406c99e \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait \
+-no-acpi \
+-boot c \
+-kernel /media/ram/uImage \
+-initrd /media/ram/ramdisk \
+-append 'root=/dev/ram rw console=ttyS0,115200' \
+-usb \
+-serial pty \
+-device virtio-balloon-pci,id=balloon0,bus=pci,addr=0x2
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-ppc64-nonuma.xml
b/tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-ppc64-nonuma.xml
new file mode 100644
index 0000000..b6696e2
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-memory-hotplug-ppc64-nonuma.xml
@@ -0,0 +1,38 @@
+<domain type='kvm'>
+ <name>QEMUGuest1</name>
+ <uuid>49545eb3-75e1-2d0a-acdd-f0294406c99e</uuid>
+ <maxMemory slots='16' unit='KiB'>4194304</maxMemory>
+ <memory unit='KiB'>2097152</memory>
+ <currentMemory unit='KiB'>2097152</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='ppc64' machine='pseries'>hvm</type>
+ <kernel>/media/ram/uImage</kernel>
+ <initrd>/media/ram/ramdisk</initrd>
+ <cmdline>root=/dev/ram rw console=ttyS0,115200</cmdline>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-ppc64</emulator>
+ <serial type='pty'>
+ <target port='0'/>
+ </serial>
+ <console type='pty'>
+ <target type='serial' port='0'/>
+ </console>
+ <memballoon model='virtio'/>
+ <memory model='dimm'>
+ <target>
+ <size unit='KiB'>523264</size>
+ </target>
+ </memory>
+ <memory model='dimm'>
+ <target>
+ <size unit='KiB'>524287</size>
+ </target>
+ </memory>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 256027e..cd44acf 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1651,6 +1651,8 @@ mymain(void)
QEMU_CAPS_DEVICE, QEMU_CAPS_OBJECT_MEMORY_RAM,
QEMU_CAPS_OBJECT_MEMORY_FILE);
DO_TEST("memory-hotplug-dimm-addr", QEMU_CAPS_DEVICE_PC_DIMM,
QEMU_CAPS_NUMA,
QEMU_CAPS_DEVICE, QEMU_CAPS_OBJECT_MEMORY_FILE);
+ DO_TEST("memory-hotplug-ppc64-nonuma", QEMU_CAPS_KVM,
QEMU_CAPS_DEVICE_PC_DIMM, QEMU_CAPS_NUMA,
+ QEMU_CAPS_DEVICE, QEMU_CAPS_OBJECT_MEMORY_RAM,
QEMU_CAPS_OBJECT_MEMORY_FILE);
DO_TEST("machine-aeskeywrap-on-caps",
QEMU_CAPS_MACHINE_OPT, QEMU_CAPS_AES_KEY_WRAP,
--
2.6.2