linux-kernel - Re: [PATCH v9 02/18] kunit: test: add test resource management API

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Date:   Mon, 15 Jul 2019 13:51:00 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Brendan Higgins <brendanhiggins@...gle.com>
Cc:     Frank Rowand <frowand.list@...il.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Kees Cook <keescook@...gle.com>,
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        Luis Chamberlain <mcgrof@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Rob Herring <robh@...nel.org>, shuah <shuah@...nel.org>,
        Theodore Ts'o <tytso@....edu>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
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        kunit-dev@...glegroups.com,
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Subject: Re: [PATCH v9 02/18] kunit: test: add test resource management API

Quoting Brendan Higgins (2019-07-15 13:30:22)
> On Mon, Jul 15, 2019 at 1:24 PM Stephen Boyd <sboyd@...nel.org> wrote:
> >
> > Quoting Brendan Higgins (2019-07-12 01:17:28)
> > > diff --git a/kunit/test.c b/kunit/test.c
> > > index 571e4c65deb5c..f165c9d8e10b0 100644
> 
> > One solution would be to piggyback on all the existing devres allocation
> > logic we already have and make each struct kunit a device that we pass
> > into the devres functions. A far simpler solution would be to just
> > copy/paste what devres does and use a spinlock and an allocation
> > function that takes GFP flags.
> 
> Yeah, that's what I did originally, but I thought from the discussion
> on patch 01 that you thought a spinlock was overkill for struct kunit.
> I take it you only meant in that initial patch?

Correct. I was only talking about the success bit in there.