>>> On 13.01.15 at 13:11, <wei.l...@citrix.com> wrote:
> @@ -408,6 +413,49 @@ static void dump_numa(unsigned char key)
>
> for_each_online_node ( i )
> printk(" Node %u: %u\n", i, page_num_node[i]);
> +
> + if ( !d->vnuma )
> + continue;
> +
> + vnuma = d->vnuma;
I'm sorry for noticing this only now, but don't you need to try to
acquire d->vnuma_rwlock for reading, and skip any printing if
the acquire attempt fails, to avoid a XEN_DOMCTL_setvnumainfo
invocation to make the information go away under your feet?
Jan
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