Hi Joerg, On Mon, 2021-07-26 at 14:25 +0200, Joerg Roedel wrote: > On Wed, Jul 21, 2021 at 09:24:53PM -0700, Kyung Min Park wrote: > > When the dmar translation fault happens, the kernel prints a single > > line > > fault reason with corresponding hexadecimal code defined in the > > Intel VT-d > > specification. > > > > Currently, when user wants to debug the translation fault in > > detail, > > debugfs is used for dumping the dmar_translation_struct, which is > > not > > available when the kernel failed to boot. > > > > Dump the DMAR translation structure, pagewalk the IO page table and > > print > > the page table entry when the fault happens. > > > > Signed-off-by: Kyung Min Park <kyung.min.p...@intel.com> > > This is too much noise in dmesg for a single dmar fault. Please hide > that additional debug information behind a debug kernel option for > the > VT-d driver.
Sure, let me change in the next version. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
