linux-kernel - Re: [PATCH v3 0/4] Devmap cleanups + arm64 support

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Date:   Wed, 26 Jun 2019 08:38:29 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Mark Rutland <mark.rutland@....com>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Robin Murphy <robin.murphy@....com>, linux-mm@...ck.org,
        akpm@...ux-foundation.org, will.deacon@....com,
        catalin.marinas@....com, anshuman.khandual@....com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Jason Gunthorpe <jgg@...lanox.com>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: [PATCH v3 0/4] Devmap cleanups + arm64 support

On Wed, Jun 26, 2019 at 01:31:40PM +0100, Mark Rutland wrote:
> On Wed, Jun 26, 2019 at 12:35:33AM -0700, Christoph Hellwig wrote:
> > Robin, Andrew:
> 
> As a heads-up, Robin is currently on holiday, so this is all down to
> Andrew's preference.
> 
> > I have a series for the hmm tree, which touches the section size
> > bits, and remove device public memory support.
> > 
> > It might be best if we include this series in the hmm tree as well
> > to avoid conflicts.  Is it ok to include the rebase version of at least
> > the cleanup part (which looks like it is not required for the actual
> > arm64 support) in the hmm tree to avoid conflicts?
> 
> Per the cover letter, the arm64 patch has a build dependency on the
> others, so that might require a stable brnach for the common prefix.

I guess we'll just have to live with the merge errors then, as the
mm tree is a patch series and thus can't easily use a stable base
tree.  That is unlike Andrew wants to pull in the hmm tree as a prep
patch for the series.