On Tue, Jan 07, 2020 at 10:12:39AM -0800, Kees Cook wrote: > On Tue, Jan 07, 2020 at 05:45:09PM +0000, Will Deacon wrote: > > On Tue, Jan 07, 2020 at 10:02:27AM +0100, Christian Brauner wrote: > > > [Cc Kees in case he knows something about where arch specific tests live > > > or whether we have a framework for this] > > > [...] > > > It feels like we must've run into the "this is architecture > > > specific"-and-we-want-to-test-this issue before... Do we have a place > > > where architecture specific selftests live? > > > > For arch-specific selftests there are tools/testing/selftests/$ARCH > > directories, although in this case maybe it's better to have an #ifdef > > in a header so that architectures with __builtin_thread_pointer can use > > that. > > Yup, I agree: that's the current best-practice for arch-specific > selftests. Thanks! I think using #ifdef in this case with __builtin_thread_pointer sounds good. So the tests can be moved into the clone3() test-suite for those architectures. Christian