Re: [libvirt] [PATCH 2/3] docs, conf, schema: add support for shared memory mapping

Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com&gt; --- docs/formatdomain.html.in | 7 +++- docs/schemas/domaincommon.rng | 5 +++ src/conf/cpu_conf.c | 25 +++++++++++- src/conf/cpu_conf.h | 7 ++-- .../qemuxml2argv-cpu-numa-memshared.xml | 28 ++++++++++++++ .../qemuxml2argv-hugepages-shared.xml | 45 ++++++++++++++++++++++ tests/qemuxml2xmltest.c | 2 + 7 files changed, 113 insertions(+), 6 deletions(-) create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-cpu-numa-memshared.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-hugepages-shared.xml diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 94236dd..b284d6e 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -1105,7 +1105,7 @@ ... &lt;numa&gt; &lt;cell id='0' cpus='0-3' memory='512000'/&gt; - &lt;cell id='1' cpus='4-7' memory='512000'/&gt; + &lt;cell id='1' cpus='4-7' memory='512000' memShared='on'/&gt;

&lt;/numa&gt; ... &lt;/cpu&gt; @@ -1122,6 +1122,11 @@ assigned <code>id</code>s in the increasing order starting from 0. Mixing cells with and without the <code>id</code> attribute is not recommended as it may result in unwanted behaviour. + + <span class='since'>Since 1.2.9</span> the optional attribute + <code>memShared</code> can control whether the memory is to be + mapped as shared or not (values "on"/"off"). This is valid only + for hugepages-backed memory. </p> <p>

@@ -491,7 +491,7 @@ virCPUDefParseXML(xmlNodePtr node, goto error; } - ret = virStrToLong_ui(memory, NULL, 10, &def->cells[cur_cell].mem); + ret = virStrToLong_ui(memory, NULL, 10, &def->cells[cur_cell].mem); if (ret == -1) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Invalid 'memory' attribute in NUMA cell")); @@ -93,9 +93,10 @@ struct _virCPUFeatureDef { typedef struct _virCellDef virCellDef; typedef virCellDef *virCellDefPtr; struct _virCellDef { - virBitmapPtr cpumask; /* CPUs that are part of this node */ - char *cpustr; /* CPUs stored in string form for dumpxml */ - unsigned int mem; /* Node memory in kB */ + virBitmapPtr cpumask; /* CPUs that are part of this node */ + char *cpustr; /* CPUs stored in string form for dumpxml */

+ unsigned int mem; /* Node memory in kB */ + virTristateSwitch memShared; }; typedef struct _virCPUDef virCPUDef;