On Wed, Mar 10, 2021 at 11:34:06AM -0700, Alex Williamson wrote: > > I think after the address_space changes this should try to stick with > > a normal io_rmap_pfn_range() done outside the fault handler. > > I assume you're suggesting calling io_remap_pfn_range() when device > memory is enabled,
Yes, I think I saw Peter thinking along these lines too Then fault just always causes SIGBUS if it gets called Jason
