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Re: [Qemu-devel] [FIX PATCH] pc-dimm: Fail pc-dimm realization for inval


From: Bharata B Rao
Subject: Re: [Qemu-devel] [FIX PATCH] pc-dimm: Fail pc-dimm realization for invalid nodes in non-NUMA configuration
Date: Mon, 3 Aug 2015 09:16:10 +0530
User-agent: Mutt/1.5.23 (2014-03-12)

On Mon, Jul 20, 2015 at 09:15:28AM +0200, Igor Mammedov wrote:
> On Fri, 17 Jul 2015 18:19:40 +0530
> Bharata B Rao <address@hidden> wrote:
> 
> > pc_dimm_realize() validates the NUMA node to which memory hotplug is
> > being performed only in case of NUMA configuration. Include a check
> > to fail invalid nodes in case of non-NUMA configuration too.
> > 
> > Signed-off-by: Bharata B Rao <address@hidden>
> Reviewed-by: Igor Mammedov <address@hidden>
> 
> > ---
> >  hw/mem/pc-dimm.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
> > index bb04862..099025e 100644
> > --- a/hw/mem/pc-dimm.c
> > +++ b/hw/mem/pc-dimm.c
> > @@ -414,10 +414,11 @@ static void pc_dimm_realize(DeviceState *dev, Error 
> > **errp)
> >          error_setg(errp, "'" PC_DIMM_MEMDEV_PROP "' property is not set");
> >          return;
> >      }
> > -    if ((nb_numa_nodes > 0) && (dimm->node >= nb_numa_nodes)) {
> > +    if (((nb_numa_nodes > 0) && (dimm->node >= nb_numa_nodes)) ||
> > +        (!nb_numa_nodes && dimm->node)) {
> >          error_setg(errp, "'DIMM property " PC_DIMM_NODE_PROP " has value %"
> >                     PRIu32 "' which exceeds the number of numa nodes: %d",
> > -                   dimm->node, nb_numa_nodes);
> > +                   dimm->node, nb_numa_nodes ? nb_numa_nodes : 1);
> >          return;
> >      }
> >  }

Eduardo - Will this go via your tree ?

Regards,
Bharata.




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