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<p>Hi Han,</p>
<p>I'm not sure which release my patches will merge into. How about
adding the patch to update the release news after my last version
of these patches. Waiting for more reviews and comments.<br>
</p>
Regards,<br>
Luyao Zhong<br>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">On 2018/10/18 上午9:10, Han Han wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAHjf+S-ApvyNwu8V9=mq=wJoZLWsDtTtU64ujEED+=xmPtYU2w@mail.gmail.com">
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<div dir="ltr">On Wed, Oct 17, 2018 at 10:25 AM Luyao Zhong
<<a href="mailto:luyao.zhong@intel.com"
moz-do-not-send="true">luyao.zhong@intel.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Hi libvirt
experts,<br>
<br>
This is the RFC for updating NVDIMM support in libvirt.<br>
<br>
QEMU has supported four more properties which libvirt has
not introduced<br>
yet, including 'align', 'pmem', 'nvdimm-persistences' and
'unarmed'.<br>
<br>
The 'align' property allows users to specify the proper
alignment. The<br>
previous alignment can only be 4K because QEMU use pagesize
as alignment.<br>
But some backends may require alignments different from the
pagesize.<br>
<br>
The 'pmem' property allows users to specify whether the
backend storage of<br>
memory-backend-file is a real persistent memory. Then QEMU
will know if<br>
it needs to guarrantee the write persistence to the vNVDIMM
backend.<br>
<br>
The 'nvdimm-persistence' property allows users to set
platform-supported<br>
features about NVDIMM data persistence of a guest.<br>
<br>
The 'unarmed' property allows users to mark vNVDIMM
read-only. Only the<br>
device DAX on the real NVDIMM can guarantee the guest write
persistence,<br>
so it's suggested to set 'unarmed' option to 'on' and then
vNVDIMM device<br>
will be marked as read-only.<br>
<br>
Libvirt introduces 'alignsize', 'pmem', 'persistence' and
'unarmed' config<br>
elements into xml corresponding to 'align', 'pmem',
'nvdimm-persistence'<br>
and 'unarmed' properties in QEMU, and update xml parsing,
formating and<br>
qemu command-line generating process for NVDIMM.<br>
<br>
Thanks,<br>
Zhong, Luyao<br>
<br>
Luyao Zhong (3):<br>
xml: introduce more config elements for NVDIMM memory<br>
xml: update xml parsing and formating about NVDIMM memory<br>
qemu: update qemu command-line generating for NVDIMM
memory<br>
<br>
docs/<a href="http://formatdomain.html.in" rel="noreferrer"
target="_blank" moz-do-not-send="true">formatdomain.html.in</a>
| 98 +++++++++++++++---<br>
docs/schemas/domaincommon.rng | 31
+++++-<br>
</blockquote>
<div>Please add a patch to update the release news in
news.xml.<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
src/conf/domain_conf.c | 115
+++++++++++++++++++--<br>
src/conf/domain_conf.h | 14
+++<br>
src/libvirt_private.syms | 2 +<br>
src/qemu/qemu_command.c | 25
+++++<br>
.../memory-hotplug-nvdimm-align.args | 31
++++++<br>
.../memory-hotplug-nvdimm-align.xml | 58
+++++++++++<br>
.../memory-hotplug-nvdimm-persistence.args | 31
++++++<br>
.../memory-hotplug-nvdimm-persistence.xml | 58
+++++++++++<br>
.../memory-hotplug-nvdimm-pmem.args | 31
++++++<br>
.../memory-hotplug-nvdimm-pmem.xml | 58
+++++++++++<br>
.../memory-hotplug-nvdimm-unarmed.args | 31
++++++<br>
.../memory-hotplug-nvdimm-unarmed.xml | 58
+++++++++++<br>
tests/qemuxml2argvtest.c | 12
+++<br>
.../memory-hotplug-nvdimm-align.xml | 1 +<br>
.../memory-hotplug-nvdimm-persistence.xml | 1 +<br>
.../memory-hotplug-nvdimm-pmem.xml | 1 +<br>
.../memory-hotplug-nvdimm-unarmed.xml | 1 +<br>
tests/qemuxml2xmltest.c | 4 +<br>
20 files changed, 636 insertions(+), 25 deletions(-)<br>
create mode 100644
tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.args<br>
create mode 100644
tests/qemuxml2argvdata/memory-hotplug-nvdimm-align.xml<br>
create mode 100644
tests/qemuxml2argvdata/memory-hotplug-nvdimm-persistence.args<br>
create mode 100644
tests/qemuxml2argvdata/memory-hotplug-nvdimm-persistence.xml<br>
create mode 100644
tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.args<br>
create mode 100644
tests/qemuxml2argvdata/memory-hotplug-nvdimm-pmem.xml<br>
create mode 100644
tests/qemuxml2argvdata/memory-hotplug-nvdimm-unarmed.args<br>
create mode 100644
tests/qemuxml2argvdata/memory-hotplug-nvdimm-unarmed.xml<br>
create mode 120000
tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-align.xml<br>
create mode 120000
tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-persistence.xml<br>
create mode 120000
tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-pmem.xml<br>
create mode 120000
tests/qemuxml2xmloutdata/memory-hotplug-nvdimm-unarmed.xml<br>
<br>
-- <br>
2.7.4<br>
<br>
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<br>
-- <br>
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data-smartmail="gmail_signature">
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<div>
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<div>
<div dir="ltr">Best regards,</div>
<div dir="ltr">-----------------------------------<br>
</div>
<div dir="ltr">Han Han<br>
Quality Engineer<br>
Redhat.<br>
<br>
Email: <a href="mailto:hhan@redhat.com"
target="_blank" moz-do-not-send="true">hhan@redhat.com</a><br>
Phone: +861065339333<br>
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