On Fri, May 30, 2025 at 02:12:36PM -0700, David Matlack wrote: > On Fri, May 23, 2025 at 4:30 PM David Matlack <dmatl...@google.com> wrote:
... > > + if (access("/sys/kernel/debug/iommu/intel", F_OK)) > > + return intel_iommu_mapping_get(bdf, iova, mapping); > > + > > Oops, this should be !access(...). Hmm... Generally speaking that code is a hack. Is there any guarantee that debugfs mount point is fixed to /sys/kernel/debug ? > > + return -EOPNOTSUPP; -- With Best Regards, Andy Shevchenko