linux-kernel - Re: [PATCH v2 0/6] mm/devm_memremap

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Message-ID: <CAPcyv4jJjCwbWJH648x04Cms1kXY2Cd36bxpgmDGRh+5Van1fQ@mail.gmail.com>
Date:   Thu, 30 May 2019 21:17:09 -0700
From:   Dan Williams <dan.j.williams@...el.com>
To:     Logan Gunthorpe <logang@...tatee.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Ira Weiny <ira.weiny@...el.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Christoph Hellwig <hch@....de>,
        Jérôme Glisse <jglisse@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        Linux MM <linux-mm@...ck.org>
Subject: Re: [PATCH v2 0/6] mm/devm_memremap_pages: Fix page release race

On Mon, May 13, 2019 at 12:22 PM Logan Gunthorpe <logang@...tatee.com> wrote:
>
>
>
> On 2019-05-08 11:05 a.m., Logan Gunthorpe wrote:
> >
> >
> > On 2019-05-07 5:55 p.m., Dan Williams wrote:
> >> Changes since v1 [1]:
> >> - Fix a NULL-pointer deref crash in pci_p2pdma_release() (Logan)
> >>
> >> - Refresh the p2pdma patch headers to match the format of other p2pdma
> >>    patches (Bjorn)
> >>
> >> - Collect Ira's reviewed-by
> >>
> >> [1]: https://lore.kernel.org/lkml/155387324370.2443841.574715745262628837.stgit@dwillia2-desk3.amr.corp.intel.com/
> >
> > This series looks good to me:
> >
> > Reviewed-by: Logan Gunthorpe <logang@...tatee.com>
> >
> > However, I haven't tested it yet but I intend to later this week.
>
> I've tested libnvdimm-pending which includes this series on my setup and
> everything works great.

Hi Andrew,

With this tested-by can we move forward on this fix set? I'm not aware
of any other remaining comments. Greg had a question about
"drivers/base/devres: Introduce devm_release_action()" that I
answered, but otherwise the feedback has gone silent.