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SubjectRe: [PATCH] selftests/livepatch: introduce tests
On Fri, Apr 06, 2018 at 09:36:46PM -0500, Josh Poimboeuf wrote:
> On Wed, Mar 28, 2018 at 03:49:48PM -0400, Joe Lawrence wrote:
> > Add a few livepatch modules and simple target modules that the included
> > regression suite can run tests against.
> >
> > Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
> > ---
> > lib/Kconfig.debug | 12 +
> > lib/Makefile | 2 +
> > lib/livepatch/Makefile | 18 +
> > lib/livepatch/test_klp_atomic_replace.c | 69 +++
> > lib/livepatch/test_klp_callbacks_busy.c | 43 ++
> > lib/livepatch/test_klp_callbacks_demo.c | 132 ++++++
> > lib/livepatch/test_klp_callbacks_demo2.c | 104 ++++
> > lib/livepatch/test_klp_callbacks_mod.c | 24 +
> > lib/livepatch/test_klp_livepatch.c | 62 +++
> > tools/testing/selftests/Makefile | 1 +
> > tools/testing/selftests/livepatch/Makefile | 8 +
> > tools/testing/selftests/livepatch/config | 1 +
> > tools/testing/selftests/livepatch/functions.sh | 202 ++++++++
> > .../testing/selftests/livepatch/test-callbacks.sh | 526 +++++++++++++++++++++
> > .../testing/selftests/livepatch/test-livepatch.sh | 177 +++++++
> > .../selftests/livepatch/test-shadow-vars.sh | 13 +
> > 16 files changed, 1394 insertions(+)
> > 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 tools/testing/selftests/livepatch/Makefile
> > 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 love this. Nice work!
>
> As you and Petr discussed, it would be nice to get rid of some of the
> delays, and also the callback tests will be very important.

I've got v2 WIP that minimizes the delays, cleans up build flags, and
adds a basic shadow variable test.

Since these tests are based on top of Petr's current patchsets for
atomic replace and shadow variables, it probably makes sense for those
to merge first. I can post test results to his patchsets if that helps.

These tests are basically a mash up of some of the tedious callback
Documentation and shadow variable sample livepatches. Since there will
be a lot of duplication, should we just remove redundant doc/samples in
favor of these tests?

-- Joe

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