On Fri, May 23, 2025 at 4:30 PM David Matlack <dmatl...@google.com> wrote: > +static int iommu_mapping_get(const char *bdf, u64 iova, > + struct iommu_mapping *mapping) > +{ > + if (access("/sys/kernel/debug/iommu/intel", F_OK)) > + return intel_iommu_mapping_get(bdf, iova, mapping); > +
Oops, this should be !access(...). > + return -EOPNOTSUPP; > +}