On Fri, Jun 30, 2017 at 03:21:31PM +0800, Dongli Zhang wrote:
> As both xen-netfront and xen-blkfront support multi-queue, they would
> consume a lot of grant table references when there are many paravirtual
> devices and vcpus assigned to guest. Guest domU might panic or hang due to
> grant alloca
On Fri, Jun 30, 2017 at 03:21:31PM +0800, Dongli Zhang wrote:
> +
> +int main(int argc, char *argv[])
> +{
> +xc_interface *xch;
> +int domid, rc, c;
> +struct gnttab_query_size query;
> +
> +while ( (c = getopt(argc, argv, "h")) != -1 )
> +{
> +switch ( c )
> +{
As both xen-netfront and xen-blkfront support multi-queue, they would
consume a lot of grant table references when there are many paravirtual
devices and vcpus assigned to guest. Guest domU might panic or hang due to
grant allocation failure when nr_grant_frames in guest has reached its max
value.
