On Tue 2024-01-09 21:24:54, Marcos Paulo de Souza wrote: > Add TEST_GEN_MODS_DIR variable for kselftests. It can point to > a directory containing kernel modules that will be used by > selftest scripts. > > The modules are built as external modules for the running kernel. > As a result they are always binary compatible and the same tests > can be used for older or newer kernels. > > The build requires "kernel-devel" package to be installed. > For example, in the upstream sources, the rpm devel package > is produced by "make rpm-pkg" > > The modules can be built independently by > > make -C tools/testing/selftests/livepatch/ > > or they will be automatically built before running the tests via > > make -C tools/testing/selftests/livepatch/ run_tests > > Note that they are _not_ built when running the standalone > tests by calling, for example, ./test-state.sh. > > Along with TEST_GEN_MODS_DIR, it was necessary to create a new install > rule. INSTALL_MODS_RULE is needed because INSTALL_SINGLE_RULE would > copy the entire TEST_GEN_MODS_DIR directory to the destination, even > the files created by Kbuild to compile the modules. The new install > rule copies only the .ko files, as we would expect the gen_tar to work. > > Reviewed-by: Joe Lawrence <joe.lawrence@xxxxxxxxxx> > Signed-off-by: Marcos Paulo de Souza <mpdesouza@xxxxxxxx> I am not export on kbuild. But it looks reasonable and works for me. Reviewed-by: Petr Mladek <pmladek@xxxxxxxx> Best Regards, Petr
