Re: [PATCH] qemu: Deny hugepages for non-existent NUMA nodes

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On 05/18/2018 07:04 AM, Michal Privoznik wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=1534418
> 
> Just like ec982f6d929f3c23 denies hugepages for non-existent
> guest NUMA nodes in case there are some nodes configured.
> Unfortunately, when there are none, qemuBuildNumaArgStr() is not
> called and thus we have to have check in qemuBuildMemPathStr()
> too.
> 
> Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
> ---
>  src/qemu/qemu_command.c                     | 10 +++++++
>  tests/qemuxml2argvdata/hugepages-pages8.xml | 41 +++++++++++++++++++++++++++++
>  tests/qemuxml2argvtest.c                    |  3 +++
>  3 files changed, 54 insertions(+)
>  create mode 100644 tests/qemuxml2argvdata/hugepages-pages8.xml
> 

Reviewed-by: John Ferlan <jferlan@xxxxxxxxxx>

John

although I'll admit following the reasoning why when
virDomainNumaGetNodeCount is the gate for both qemuBuildNumaArgStr and
qemuBuildMemPathStr didn't make it "easy to understand" ;-).

May be a "/* NB: qemuBuildNumaArgStr was only called when
virDomainNumaGetNodeCount finds numa, so a similar check is not made. */

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