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qemu: ppc64: Align memory sizes to 256MiB blocks

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For some machine types ppc64 machines now require that memory sizes are
aligned to 256MiB increments (due to the dynamically reconfigurable
memory). As now we treat existing configs reasonably in regards to
migration, we can round all the sizes unconditionally. The only drawback
will be that the memory size of a VM can potentially increase by
(256MiB - 1byte) * number_of_NUMA_nodes.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1249006
This commit is contained in:
Peter Krempa
2015-09-21 18:10:55 +02:00
parent c7d7ba85a6
commit bd874b6c42
2 changed files with 7 additions and 2 deletions
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2
tests/qemuxml2argvdata/qemuxml2argv-pseries-cpu-compat.args
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@@ -1,7 +1,7 @@
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test \
QEMU_AUDIO_DRV=none /usr/bin/qemu-system-ppc64 -S -M pseries \
-cpu host,compat=power7 \
-m 214 -smp 4 -nographic -nodefconfig -nodefaults \
-m 256 -smp 4 -nographic -nodefconfig -nodefaults \
-chardev socket,id=charmonitor,path=/tmp/test-monitor,server,nowait \
-mon chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c -usb \
-chardev pty,id=charserial0 \