[libvirt] [PATCH 2/7] conf: Do not allow vcpupin's cpuid exceed current vcpus number
Martin Kletzander
mkletzan at redhat.com
Fri Oct 12 13:04:51 UTC 2012
On 10/12/2012 11:50 AM, Osier Yang wrote:
> Setting pinning policy for vcpu which exceed current vcpus number
> makes no sense, and it could cause problem for APIs which
> associate the vcpu thread id with cgroup.
> ---
> src/conf/domain_conf.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index 3c3d0ae..d8ea8ce 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -8784,9 +8784,9 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
> if (n && VIR_ALLOC_N(def->cputune.vcpupin, n) < 0)
> goto no_memory;
>
> - if (n > def->maxvcpus) {
> + if (n > def->vcpus) {
> virReportError(VIR_ERR_INTERNAL_ERROR,
> - "%s", _("vcpupin nodes must be less than maxvcpus"));
> + "%s", _("vcpupin nodes must be less than current vcpus"));
> goto error;
> }
>
>
Old machines wouldn't be loaded with newer libvirt with this change. I
propose silently ignoring all the pinning over def->vcpus and error out
with the same condition as now.
Martin
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