Re: [PATCH 2/4] vfio: selftests: fix map limit tests to use last available iova

On Mon, Nov 10, 2025 at 1:11 PM Alex Mastro amastro@fb.com wrote:

•   if (region->iova != (~(iova_t)0 & ~(region->size - 1)))
  

•           SKIP(return, "IOMMU address space insufficient for overflow test");
  

If, instead, this was:

region->iova = ~(iova_t)0 & ~(region->size - 1);

then I think this test could be run on all platforms. The kernel checks for overflow before it checks for valid iova ranges.