On 29-11-2018 10:44, Petr Mladek wrote: > From: Joe Lawrence <joe.lawrence@xxxxxxxxxx> > > Add a few livepatch modules and simple target modules that the included > regression suite can run tests against: > > - basic livepatching (multiple patches, atomic replace) > - pre/post (un)patch callbacks > - shadow variable API > > Signed-off-by: Joe Lawrence <joe.lawrence@xxxxxxxxxx> > Signed-off-by: Petr Mladek <pmladek@xxxxxxxx> > --- > Documentation/livepatch/callbacks.txt | 489 +---------------- > MAINTAINERS | 1 + > lib/Kconfig.debug | 21 + > lib/Makefile | 2 + > lib/livepatch/Makefile | 15 + > lib/livepatch/test_klp_atomic_replace.c | 57 ++ > lib/livepatch/test_klp_callbacks_busy.c | 43 ++ > lib/livepatch/test_klp_callbacks_demo.c | 121 +++++ > lib/livepatch/test_klp_callbacks_demo2.c | 93 ++++ > lib/livepatch/test_klp_callbacks_mod.c | 24 + > lib/livepatch/test_klp_livepatch.c | 51 ++ > lib/livepatch/test_klp_shadow_vars.c | 236 +++++++++ > tools/testing/selftests/Makefile | 1 + > tools/testing/selftests/livepatch/Makefile | 8 + > tools/testing/selftests/livepatch/README | 43 ++ > tools/testing/selftests/livepatch/config | 1 + > tools/testing/selftests/livepatch/functions.sh | 203 +++++++ > .../testing/selftests/livepatch/test-callbacks.sh | 587 +++++++++++++++++++++ > .../testing/selftests/livepatch/test-livepatch.sh | 168 ++++++ > .../selftests/livepatch/test-shadow-vars.sh | 60 +++ > 20 files changed, 1740 insertions(+), 484 deletions(-) > create mode 100644 lib/livepatch/Makefile > create mode 100644 lib/livepatch/test_klp_atomic_replace.c > create mode 100644 lib/livepatch/test_klp_callbacks_busy.c > create mode 100644 lib/livepatch/test_klp_callbacks_demo.c > create mode 100644 lib/livepatch/test_klp_callbacks_demo2.c > create mode 100644 lib/livepatch/test_klp_callbacks_mod.c > create mode 100644 lib/livepatch/test_klp_livepatch.c > create mode 100644 lib/livepatch/test_klp_shadow_vars.c > create mode 100644 tools/testing/selftests/livepatch/Makefile > create mode 100644 tools/testing/selftests/livepatch/README > create mode 100644 tools/testing/selftests/livepatch/config > create mode 100644 tools/testing/selftests/livepatch/functions.sh > create mode 100755 tools/testing/selftests/livepatch/test-callbacks.sh > create mode 100755 tools/testing/selftests/livepatch/test-livepatch.sh > create mode 100755 tools/testing/selftests/livepatch/test-shadow-vars.sh I tested the livepatch selftest and it works for me: ``` gentoo_07 linux-dev (alice/livepatch) # make -C tools/testing/selftests TARGETS=livepatch run_tests make: Entering directory '/root/linux-dev/tools/testing/selftests' make[1]: Entering directory '/root/linux-dev/tools/testing/selftests/livepatch' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/root/linux-dev/tools/testing/selftests/livepatch' make[1]: Entering directory '/root/linux-dev/tools/testing/selftests/livepatch' TAP version 13 selftests: livepatch: test-livepatch.sh ======================================== TEST: basic function patching ... ok TEST: multiple livepatches ... ok TEST: atomic replace livepatch ... ok ok 1..1 selftests: livepatch: test-livepatch.sh [PASS] selftests: livepatch: test-callbacks.sh ======================================== TEST: target module before livepatch ... ok TEST: module_coming notifier ... ok TEST: module_going notifier ... ok TEST: module_coming and module_going notifiers ... ok TEST: target module not present ... ok TEST: pre-patch callback -ENODEV ... ok TEST: module_coming + pre-patch callback -ENODEV ... ok TEST: multiple target modules ... ok TEST: busy target module ... ok TEST: multiple livepatches ... ok TEST: atomic replace ... ok ok 1..2 selftests: livepatch: test-callbacks.sh [PASS] selftests: livepatch: test-shadow-vars.sh ======================================== TEST: basic shadow variable API ... ok ok 1..3 selftests: livepatch: test-shadow-vars.sh [PASS] make[1]: Leaving directory '/root/linux-dev/tools/testing/selftests/livepatch' make: Leaving directory '/root/linux-dev/tools/testing/selftests' ``` Tested-by: Alice Ferrazzi <alice.ferrazzi@xxxxxxxxx>
