Le 01/03/2022 à 18:15, Lucas De Marchi a écrit : > On Tue, Mar 01, 2022 at 08:01:23AM -0800, Luis Chamberlain wrote: >> On Tue, Mar 01, 2022 at 07:44:26AM +0000, Christophe Leroy wrote: >>> >>> >>> Le 01/03/2022 à 01:21, Luis Chamberlain a écrit : >>> > >>> > We should run kmod tests as well. >>> > >>> >>> I tried to build kmod tests, but I get a crazy result: >>> >>> >>> $ ./configure --host=ppc-linux --prefix=/usr/local >>> >>> $ make >>> >>> $ cd testsuite >>> >>> $ make >>> >>> $ file test-list >>> test-list: ELF 32-bit MSB executable, PowerPC or cisco 4500, version 1 >>> (SYSV), dynamically linked, interpreter /lib/ld.so.1, for GNU/Linux >>> 3.2.0, with debug_info, not stripped >>> >>> $ file module-playground/mod-loop-a.ko >>> module-playground/mod-loop-a.ko: ELF 64-bit LSB relocatable, x86-64, >>> version 1 (SYSV), >>> BuildID[sha1]=d46956a4fd36d8d3467806c31831c81217a573f5, with debug_info, >>> not stripped >>> >>> >>> >>> How do I get it to crossbuild proper PowerPC module ? > > do I understand correctly that you want to crossbuild kmod + kernel > modules to do your test? why? Yes, I want to build the tests on my PC and run them on a powerpc board. > > If you really need it, then beware we just chainload the kernel build > for the out-of-tree modules when compiling the test modules. Something > like this should work: > > make V=1 KDIR=$HOME/p/gfx-internal/linux-arm64/ ARCH=arm64 > CROSS_COMPILE=aarch64-linux-gnu- check > > But running the cross built binaries is probably not what you want? I want to run them on the board. > > Another thing is that unless you are patching kmod binaries or libkmod, > the testsuite won't test much. kmod's testsuite don't test anything on > the kernel side... the kernel part is mocked by the testsuite itself. > Adding proper integration with the kernel part is possible, but not > something ready. Ah, I see. I made non trivial modification on kernel modules handling (see series at https://patchwork.kernel.org/project/linux-modules/cover/cover.1645607143.git.christophe.leroy@xxxxxxxxxx/) and Luis suggested to run kmod test suite to perform regression testing. Christophe
