Messages in this thread | | | Date | Fri, 1 Jul 2022 15:33:30 -0700 | From | Luis Chamberlain <> | Subject | Re: [PATCH v4 4/4] selftest: Taint kernel when test module loaded |
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On Fri, Jul 01, 2022 at 04:47:44PM +0800, David Gow wrote: > Make any kselftest test module (using the kselftest_module framework) > taint the kernel with TAINT_TEST on module load. > > Note that several selftests use kernel modules which are not based on > the kselftest_module framework, and so will not automatically taint the > kernel. > > This can be done in two ways: > - Moving the module to the tools/testing directory. All modules under > this directory will taint the kernel. > - Adding the 'test' module property with: > MODULE_INFO(test, "Y")
This just needs to be documented somewhere other than a commit log. Otherwise I am not sure how we can be sure it will catch on.
> Similarly, selftests which do not load modules into the kernel generally > should not taint the kernel (or possibly should only do so on failure), > as it's assumed that testing from user-space should be safe. Regardless, > they can write to /proc/sys/kernel/tainted if required. > > Signed-off-by: David Gow <davidgow@google.com>
Looks good otherwise!
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Do we want this to go through selftest / kunit / modules tree? Happy for it to through any. I can't predict a conflict.
Luis
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