linux-kernel - Re: dev_pagemap related cleanups v2

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Date:   Thu, 20 Jun 2019 08:32:36 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jason Gunthorpe <jgg@...pe.ca>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Christoph Hellwig <hch@....de>,
        Jérôme Glisse <jglisse@...hat.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>
Subject: Re: dev_pagemap related cleanups v2

On Wed, Jun 19, 2019 at 03:19:23PM -0300, Jason Gunthorpe wrote:
> > Just make sure that when you backmerge v5.2-rc5 you have a clear
> > reason in the merge commit message about why you needed to do it.
> > While needless rebasing is top of the pet peeve list, second place, as
> > I found out, is mystery merges without explanations.
> 
> Yes, I always describe the merge commits. Linus also particular about
> having *good reasons* for merges.
> 
> This is why I can't fix the hmm.git to have rc5 until I have patches
> to apply..
> 
> Probbaly I will just put CH's series on rc5 and merge it with the
> cover letter as the merge message. This avoid both rebasing and gives
> purposeful merges.

Fine with me.  My series right now is on top of the rdma/hmm branch.
There is a trivial conflict that is solved by doing so, as my series
removes documentation that is fixed up there a bit.  There is another
trivial conflict with your pending series as they remove code next to
each other in hmm.git.