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From: David Gow <davidgow@google.com>
Date: Thu, 2 May 2024 08:01:25 +0800
Message-ID: <CABVgOSnyGr+j5LmegYRVBDyXeCpGm-UtfTMzihOWto9oYF+-9Q@mail.gmail.com>
Subject: Re: [PATCH] kunit: bail out early in __kunit_test_suites_init() if
 there are no suites to test
To: Scott Mayhew <smayhew@redhat.com>
Cc: brendanhiggins@google.com, rmoar@google.com, npache@redhat.com, 
	linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, 
	linux-nfs@vger.kernel.org
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On Tue, 30 Apr 2024 at 21:58, Scott Mayhew <smayhew@redhat.com> wrote:
>
> On Sat, 23 Mar 2024, David Gow wrote:
>
> > On Thu, 21 Mar 2024 at 22:32, Scott Mayhew <smayhew@redhat.com> 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@redhat.com>
> > > Signed-off-by: Scott Mayhew <smayhew@redhat.com>
> > > ---
> >
> > Thanks, this works well here, and is a good idea anyway.
> >
> > Reviewed-by: David Gow <davidgow@google.com>
> >
>
> Brendan, David,
>
> Is there a reason this patch hasn't been merged?
>
> -Scott
>

Sorry: it totally slipped through the net. Thanks for the reminder,
it's merged now:
https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git/commit/?h=kunit&id=2168e528f8679881df7487309f3444a121b2b544

Cheers,
-- David

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