On Mon, Jul 05, 2021 at 08:06:50PM +0800, Yunsheng Lin wrote: > On 2021/7/5 17:56, Andy Shevchenko wrote: > > On Mon, Jul 05, 2021 at 11:57:33AM +0800, Yunsheng Lin wrote: > >> tools/include/* have a lot of abstract layer for building > >> kernel code from userspace, so reuse or add the abstract > >> layer in tools/include/ to build the ptr_ring for ringtest > >> testing. > > > > ... > > > >> create mode 100644 tools/include/asm/cache.h > >> create mode 100644 tools/include/asm/processor.h > >> create mode 100644 tools/include/generated/autoconf.h > >> create mode 100644 tools/include/linux/align.h > >> create mode 100644 tools/include/linux/cache.h > >> create mode 100644 tools/include/linux/slab.h > > > > Maybe somebody can change this to be able to include in-tree headers directly? > > If the above works, maybe the files in tools/include/* is not > necessary any more, just use the in-tree headers to compile > the user space app? > > Or I missed something here? I don't know if it works or not or why that decision had been made to copy'n'paste headers (Yes, I know they have some modifications). Somebody needs to check that and see what can be done in order to avoid copying entire include into tools/include. > > Besides above, had you tested this with `make O=...`? > > You are right, the generated/autoconf.h is in another directory > with `make O=...`. > > Any nice idea to fix the above problem? No idea. But I consider breakage of O= is a show stopper. -- With Best Regards, Andy Shevchenko _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
