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Date:   Wed, 12 Feb 2020 18:02:49 +0100
From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     John Mathew <john.mathew@unikie.com>
Cc:     linux-rt-users@vger.kernel.org,
        Lukas Bulwahn <lukas.bulwahn@gmail.com>
Subject: Re: [PATCH] crypto: only wait for completion once
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On 2020-02-12 14:55:29 [+0200], John Mathew wrote:
> On Tue, Feb 11, 2020 at 5:59 PM Sebastian Andrzej Siewior
> <bigeasy@linutronix.de> wrote:
> >
> > On 2020-02-11 17:52:44 [+0200], John Mathew wrote:
> > > > crypto/tcrypt.c
> > > I ran the module in a loop with mode ranging from 0..200. The output
> > > is the same (tcrypt: all tests passed ) with and without my patch.
> >
> > Try one of the modes which are not built-in but provided by a module.
> > And the module must not be loaded before starting the test.
> 
> I tried the mode 26 which tests the "anubis" module. The module is
> loaded dynamically after starting the test.
> Using traces in the code i confirmed that the algo lookup and tfm
> creation works fine.
> alg_test returns 0.

Something isn't right. So when I took a look at it then the patch then
every user that waited for a module to be loaded did not wait for the
algorithm to become available but returned with an error instead.
Now I'm curious why I had a regression here but you don't.

Sebastian