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

On Wed, 26 Jun 2019 15:45:47 +0000 Jason Gunthorpe [off-list ref] wrote:

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

quoted

On Wed, Jun 26, 2019 at 01:31:40PM +0100, Mark Rutland wrote:

quoted

On Wed, Jun 26, 2019 at 12:35:33AM -0700, Christoph Hellwig wrote:

quoted

Robin, Andrew:

As a heads-up, Robin is currently on holiday, so this is all down to
Andrew's preference.

quoted

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.

Well.  Whatever works.  In this situation I'd stage the patches after
linux-next and would merge them up after the prereq patches have been
merged into mainline.  Easy.


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