-----Original Message----- From: Michal Privoznik [mailto:mprivozn@redhat.com] Sent: Thursday, February 09, 2017 9:58 AM To: Safka, JaroslavX <jaroslavx.safka(a)intel.com>; libvir-list(a)redhat.com Cc: Mooney, Sean K <sean.k.mooney(a)intel.com>; Ptacek, MichalX <michalx.ptacek(a)intel.com&gt; Subject: Re: [libvirt] [PATCHv5 0/4] Add support for memory backing with file source On 02/02/2017 02:27 PM, Jaroslav Safka wrote: > Hi, > we would like to introduce 3 new elements source,access and allocation in memoryBacking element. > For now it was made for numa topology. > > <memoryBacking> > <source type="file|anonymous"/> > <access mode="shared|private"/> > <allocation mode="immediate|ondemand"/> </memoryBacking> > > If allocation is immediate then -mem-prealloc should be added to the qemu commanline. > If source is file then > -object memory-backend-file,id=mem,size=1024M,mem-path=*lib dir path* > -numa node,memdev=mem Will be added to the qemu commandline > > If access is shared then the "share=on" parameter will be added to the memory-backend-file e.g. > -object > memory-backend-file,id=mem,size=1024M,mem-path=/var/lib/libvirt/qemu,s > hare=on > > The access mode can be overriden by specifying token memAccess in numa cell. > The mem-path can be defined by new config parameter memory_backing_dir. > > PS: the sometime failing test qemuhotplug was failing also before this > patch :) > > Jaroslav Safka (4): > qemu,conf: Rename virNumaMemAccess to virDomainMemoryAccess > qemu_conf: Add param memory_backing_dir > conf: Add new xml elements for file memorybacking support > qemu: Add args generation for file memory backing > > docs/formatdomain.html.in | 9 ++ > docs/schemas/domaincommon.rng | 30 +++++ > src/conf/domain_conf.c | 133 ++++++++++++++++----- > src/conf/domain_conf.h | 22 ++++ > src/conf/numa_conf.c | 15 +-- > src/conf/numa_conf.h | 14 +-- > src/qemu/libvirtd_qemu.aug | 3 + > src/qemu/qemu.conf | 4 + > src/qemu/qemu_command.c | 55 ++++++--- > src/qemu/qemu_conf.c | 9 ++ > src/qemu/qemu_conf.h | 2 + > src/qemu/qemu_process.c | 2 +- > src/qemu/test_libvirtd_qemu.aug.in | 1 + > .../qemuxml2argv-fd-memory-no-numa-topology.args | 21 ++++ > .../qemuxml2argv-fd-memory-no-numa-topology.xml | 27 +++++ > .../qemuxml2argv-fd-memory-numa-topology.args | 24 ++++ > .../qemuxml2argv-fd-memory-numa-topology.xml | 30 +++++ > .../qemuxml2argv-fd-memory-numa-topology2.args | 27 +++++ > .../qemuxml2argv-fd-memory-numa-topology2.xml | 31 +++++ > .../qemuxml2argv-fd-memory-numa-topology3.args | 30 +++++ > .../qemuxml2argv-fd-memory-numa-topology3.xml | 32 +++++ > .../qemuxml2argv-memorybacking-set.xml | 24 ++++ > .../qemuxml2argv-memorybacking-unset.xml | 24 ++++ > tests/qemuxml2argvtest.c | 13 ++ > .../qemuxml2xmlout-memorybacking-set.xml | 32 +++++ > .../qemuxml2xmlout-memorybacking-unset.xml | 32 +++++ > tests/qemuxml2xmltest.c | 3 + > 27 files changed, 584 insertions(+), 65 deletions(-) create mode > 100644 > tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.args > create mode 100644 > tests/qemuxml2argvdata/qemuxml2argv-fd-memory-no-numa-topology.xml > create mode 100644 > tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.args > create mode 100644 > tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology.xml > create mode 100644 > tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.args > create mode 100644 > tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology2.xml > create mode 100644 > tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.args > create mode 100644 > tests/qemuxml2argvdata/qemuxml2argv-fd-memory-numa-topology3.xml > create mode 100644 > tests/qemuxml2argvdata/qemuxml2argv-memorybacking-set.xml > create mode 100644 > tests/qemuxml2argvdata/qemuxml2argv-memorybacking-unset.xml > create mode 100644 > tests/qemuxml2xmloutdata/qemuxml2xmlout-memorybacking-set.xml > create mode 100644 > tests/qemuxml2xmloutdata/qemuxml2xmlout-memorybacking-unset.xml > Looking good. ACK to all of them. However, please send a patch (as a reply to this cover letter) that updates docs/news.xml. Only after that it is possible to push these. Michal