On Tue, Feb 07, 2017 at 04:28:11PM +0800, Peter Xu wrote: > This helps in debugging incorrect level passed in. > > Reviewed-by: Jason Wang <jasow...@redhat.com> > Signed-off-by: Peter Xu <pet...@redhat.com>
Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
> ---
> hw/i386/intel_iommu.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
> index ad304f6..22d8226 100644
> --- a/hw/i386/intel_iommu.c
> +++ b/hw/i386/intel_iommu.c
> @@ -168,6 +168,7 @@ static gboolean vtd_hash_remove_by_domain(gpointer key,
> gpointer value,
> /* The shift of an addr for a certain level of paging structure */
> static inline uint32_t vtd_slpt_level_shift(uint32_t level)
> {
> + assert(level != 0);
> return VTD_PAGE_SHIFT_4K + (level - 1) * VTD_SL_LEVEL_BITS;
> }
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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