[libvirt] [PATCH v2 1/2] Handle non-sequential NUMA node numbers
Daniel P. Berrange
berrange at redhat.com
Tue Feb 11 14:33:27 UTC 2014
On Sat, Feb 08, 2014 at 12:21:39PM +0530, Pradipta Kr. Banerjee wrote:
> On some platforms like IBM PowerNV the NUMA node numbers can be
> non-sequential. For eg. numactl --hardware o/p from such a machine looks
> as given below
>
> node distances:
> node 0 1 16 17
> 0: 10 40 40 40
> 1: 40 10 40 40
> 16: 40 40 10 40
> 17: 40 40 40 10
>
> The NUMA nodes are 0,1,16,17
>
> Libvirt uses sequential index as NUMA node numbers and this can
> result in crash or incorrect results.
>
> Signed-off-by: Shivaprasad G Bhat <sbhat at linux.vnet.ibm.com>
> Signed-off-by: Pradipta Kr. Banerjee <bpradip at in.ibm.com>
> ---
> src/conf/capabilities.c | 12 ++++++++++--
> src/qemu/qemu_driver.c | 5 +++--
> src/qemu/qemu_process.c | 2 +-
> 3 files changed, 14 insertions(+), 5 deletions(-)
ACK and will push shortly.
Daniel
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