On Thu, Jun 11, 2020 at 1:06 AM Wei Yang <richard.weiy...@gmail.com> wrote: > On Wed, Jun 10, 2020 at 01:17:28PM +0300, Andy Shevchenko wrote: > >On Wed, Jun 10, 2020 at 2:06 AM Wei Yang <richard.weiy...@gmail.com> wrote: > >> On Tue, Jun 09, 2020 at 12:16:49PM +0300, Andy Shevchenko wrote: > >> >On Mon, Jun 08, 2020 at 10:31:12PM +0000, Wei Yang wrote: > >> >> On Fri, Jun 05, 2020 at 05:16:29PM -0700, Andrew Morton wrote: > >> > > >> >... > >> > > >> >> The test on 64bit machine pass. Since I don't have a 32bit machine by > >> >> hand, > >> > > >> >Out of curiosity what that machine is? > >> > > >> > >> It is a Intel Xeon Gold CPU. > > > >I suppose it's x86 (and not ia64). > >In this case you can always build an i386 configuration and test on a > >32-bit "machine". > > > > Yes, you are right. While last time I tried to run a 32bit guest, it took me a > lot of time to setup. If my understanding is correct, to run on a 32bit > machine, we not only need the kernel but a whole 32bit system. This means I > need to re-install a 32bit system. And I found many distro doesn't support > 32bit system any more. > > Do you have a better way to setup the environment?
Yes, BuildRoot is your friend. I have a branch [1] to make it suitable to create bootable images for x86 machines. There is a quick instructions what it does provide. [1]: https://github.com/andy-shev/buildroot/tree/intel/board/intel/common -- With Best Regards, Andy Shevchenko