linux-kernel - Re: dev_pagemap related cleanups

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Message-ID: <CAPcyv4jkDC3hRt_pj1e8j_OmzJ-wdumy-o1bN0ab=JVE_gfKdg@mail.gmail.com>
Date:   Sat, 15 Jun 2019 11:09:09 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Jérôme Glisse <jglisse@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Ben Skeggs <bskeggs@...hat.com>, Linux MM <linux-mm@...ck.org>,
        nouveau@...ts.freedesktop.org,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        linux-pci@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: dev_pagemap related cleanups

On Sat, Jun 15, 2019 at 1:34 AM Christoph Hellwig <hch@....de> wrote:
>
> On Fri, Jun 14, 2019 at 06:14:45PM -0700, Dan Williams wrote:
> > On Thu, Jun 13, 2019 at 11:14 PM Christoph Hellwig <hch@....de> wrote:
> > >
> > > On Thu, Jun 13, 2019 at 11:27:39AM -0700, Dan Williams wrote:
> > > > It also turns out the nvdimm unit tests crash with this signature on
> > > > that branch where base v5.2-rc3 passes:
> > >
> > > How do you run that test?
> >
> > This is the unit test suite that gets kicked off by running "make
> > check" from the ndctl source repository. In this case it requires the
> > nfit_test set of modules to create a fake nvdimm environment.
> >
> > The setup instructions are in the README, but feel free to send me
> > branches and I can kick off a test. One of these we'll get around to
> > making it automated for patch submissions to the linux-nvdimm mailing
> > list.
>
> Oh, now I remember, and that was the bummer as anything requiring modules
> just does not fit at all into my normal test flows that just inject
> kernel images and use otherwise static images.

Yeah... although we do have some changes being proposed from non-x86
devs to allow a subset of the tests to run without the nfit_test
modules: https://patchwork.kernel.org/patch/10980779/

...so this prompts me to go review that patch.