On Sat, 23 Mar 2024, David Gow wrote: > On Thu, 21 Mar 2024 at 22:32, Scott Mayhew <smayhew@xxxxxxxxxx> wrote: > > > > Commit c72a870926c2 added a mutex to prevent kunit tests from running > > concurrently. Unfortunately that mutex gets locked during module load > > regardless of whether the module actually has any kunit tests. This > > causes a problem for kunit tests that might need to load other kernel > > modules (e.g. gss_krb5_test loading the camellia module). > > > > So check to see if there are actually any tests to run before locking > > the kunit_run_lock mutex. > > > > Fixes: c72a870926c2 ("kunit: add ability to run tests after boot using debugfs") > > Reported-by: Nico Pache <npache@xxxxxxxxxx> > > Signed-off-by: Scott Mayhew <smayhew@xxxxxxxxxx> > > --- > > Thanks, this works well here, and is a good idea anyway. > > Reviewed-by: David Gow <davidgow@xxxxxxxxxx> > Brendan, David, Is there a reason this patch hasn't been merged? -Scott > Cheers, > -- David > > > lib/kunit/test.c | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/lib/kunit/test.c b/lib/kunit/test.c > > index 1d1475578515..b8514dbb337c 100644 > > --- a/lib/kunit/test.c > > +++ b/lib/kunit/test.c > > @@ -712,6 +712,9 @@ int __kunit_test_suites_init(struct kunit_suite * const * const suites, int num_ > > { > > unsigned int i; > > > > + if (num_suites == 0) > > + return 0; > > + > > if (!kunit_enabled() && num_suites > 0) { > > pr_info("kunit: disabled\n"); > > return 0; > > -- > > 2.43.0 > >