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

[Jason Gunthorpe]

On Wed, Jun 26, 2019 at 08:38:29AM -0700, Christoph Hellwig wrote:
> 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.

It looks like the first three patches apply cleanly to hmm.git ..

So what we can do is base this 4 patch series off rc6 and pull the
first 3 into hmm and the full 4 into arm.git. We use this workflow often
with rdma and netdev.

Let me know and I can help orchestate this.

Jason