Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Thu, 13 Jun 2019 13:48:31 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Logan Gunthorpe <logang@deltatee.com>
Cc:     Dan Williams <dan.j.williams@intel.com>,
        Christoph Hellwig <hch@lst.de>,
        linux-nvdimm <linux-nvdimm@lists.01.org>,
        nouveau@lists.freedesktop.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Maling list - DRI developers 
        <dri-devel@lists.freedesktop.org>, Linux MM <linux-mm@kvack.org>,
        =?ISO-8859-1?Q?J=E9r=F4me?= Glisse <jglisse@redhat.com>,
        Jason Gunthorpe <jgg@mellanox.com>,
        Ben Skeggs <bskeggs@redhat.com>, linux-pci@vger.kernel.org
Subject: Re: dev_pagemap related cleanups
Message-Id: <20190613134831.a7ecb1b422a732bff156ec50@linux-foundation.org>
In-Reply-To: <d0da4c86-ef52-b981-06af-b37e3e0515ee@deltatee.com>
References: <20190613094326.24093-1-hch@lst.de>
        <CAPcyv4jBdwYaiVwkhy6kP78OBAs+vJme1UTm47dX4Eq_5=JgSg@mail.gmail.com>
        <283e87e8-20b6-0505-a19b-5d18e057f008@deltatee.com>
        <CAPcyv4hx=ng3SxzAWd8s_8VtAfoiiWhiA5kodi9KPc=jGmnejg@mail.gmail.com>
        <d0da4c86-ef52-b981-06af-b37e3e0515ee@deltatee.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, 13 Jun 2019 14:24:20 -0600 Logan Gunthorpe <logang@deltatee.com> wr=
ote:

>=20
>=20
> On 2019-06-13 2:21 p.m., Dan Williams wrote:
> > On Thu, Jun 13, 2019 at 1:18 PM Logan Gunthorpe <logang@deltatee.com> w=
rote:
> >>
> >>
> >>
> >> On 2019-06-13 12:27 p.m., Dan Williams wrote:
> >>> On Thu, Jun 13, 2019 at 2:43 AM Christoph Hellwig <hch@lst.de> wrote:
> >>>>
> >>>> Hi Dan, J=E9r=F4me and Jason,
> >>>>
> >>>> below is a series that cleans up the dev_pagemap interface so that
> >>>> it is more easily usable, which removes the need to wrap it in hmm
> >>>> and thus allowing to kill a lot of code
> >>>>
> >>>> Diffstat:
> >>>>
> >>>>  22 files changed, 245 insertions(+), 802 deletions(-)
> >>>
> >>> Hooray!
> >>>
> >>>> Git tree:
> >>>>
> >>>>     git://git.infradead.org/users/hch/misc.git hmm-devmem-cleanup
> >>>
> >>> I just realized this collides with the dev_pagemap release rework in
> >>> Andrew's tree (commit ids below are from next.git and are not stable)
> >>>
> >>> 4422ee8476f0 mm/devm_memremap_pages: fix final page put race
> >>> 771f0714d0dc PCI/P2PDMA: track pgmap references per resource, not glo=
bally
> >>> af37085de906 lib/genalloc: introduce chunk owners
> >>> e0047ff8aa77 PCI/P2PDMA: fix the gen_pool_add_virt() failure path
> >>> 0315d47d6ae9 mm/devm_memremap_pages: introduce devm_memunmap_pages
> >>> 216475c7eaa8 drivers/base/devres: introduce devm_release_action()
> >>>
> >>> CONFLICT (content): Merge conflict in tools/testing/nvdimm/test/iomap=
.c
> >>> CONFLICT (content): Merge conflict in mm/hmm.c
> >>> CONFLICT (content): Merge conflict in kernel/memremap.c
> >>> CONFLICT (content): Merge conflict in include/linux/memremap.h
> >>> CONFLICT (content): Merge conflict in drivers/pci/p2pdma.c
> >>> CONFLICT (content): Merge conflict in drivers/nvdimm/pmem.c
> >>> CONFLICT (content): Merge conflict in drivers/dax/device.c
> >>> CONFLICT (content): Merge conflict in drivers/dax/dax-private.h
> >>>
> >>> Perhaps we should pull those out and resend them through hmm.git?
> >>
> >> Hmm, I've been waiting for those patches to get in for a little while =
now ;(
> >=20
> > Unless Andrew was going to submit as v5.2-rc fixes I think I should
> > rebase / submit them on current hmm.git and then throw these cleanups
> > from Christoph on top?
>=20
> Whatever you feel is best. I'm just hoping they get in sooner rather
> than later. They do fix a bug after all. Let me know if you want me to
> retest the P2PDMA stuff after the rebase.

I had them down for 5.3-rc1.  I'll send them along for 5.2-rc5 instead.