Re: [PATCH v3 3/3] selftest: Taint kernel when test module loaded

[Luis Chamberlain]

On Fri, May 13, 2022 at 04:32:13PM +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. These modules will have to be manually modified if they should
> taint the kernel this way.
> 
> 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@xxxxxxxxxx>

Not all selftest modules use KSTM_MODULE_LOADERS() so I'd like to see a
modpost target as well, otherwise this just covers a sliver of
selftests.

  Luis