linux-kernel - Re: [RFC v3 06/19] arch: um: enable running kunit from User Mode Linux

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Message-ID: <20181130033704.GL18410@garbanzo.do-not-panic.com>
Date:   Thu, 29 Nov 2018 19:37:04 -0800
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Brendan Higgins <brendanhiggins@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kees Cook <keescook@...gle.com>, shuah@...nel.org,
        Joel Stanley <joel@....id.au>,
        Michael Ellerman <mpe@...erman.id.au>,
        Joe Perches <joe@...ches.com>, brakmo@...com,
        Steven Rostedt <rostedt@...dmis.org>,
        "Bird, Timothy" <Tim.Bird@...y.com>,
        Kevin Hilman <khilman@...libre.com>,
        Julia Lawall <julia.lawall@...6.fr>,
        linux-kselftest@...r.kernel.org, kunit-dev@...glegroups.com,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jeff Dike <jdike@...toit.com>,
        Richard Weinberger <richard@....at>,
        linux-um@...ts.infradead.org, Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Dan Williams <dan.j.williams@...el.com>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        Kieran Bingham <kieran.bingham@...asonboard.com>,
        Frank Rowand <frowand.list@...il.com>, knut.omang@...cle.com
Subject: Re: [RFC v3 06/19] arch: um: enable running kunit from User Mode
 Linux

On Wed, Nov 28, 2018 at 03:26:03PM -0600, Rob Herring wrote:
> On Wed, Nov 28, 2018 at 1:37 PM Brendan Higgins
> <brendanhiggins@...gle.com> wrote:
> >
> > Make minimum number of changes outside of the KUnit directories for
> > KUnit to build and run using UML.
> 
> There's nothing in this patch limiting this to UML. 

Not that one, but the abort thing segv thing is, eventually.
To support other architectures we'd need to make a wrapper to that
hack which Brendan added, and then allow each os to implement
its own call, and add an asm-generic helper.

Are you volunteering to add the x86 hook?

  Luis