Re: [PATCH] staging: ion: remove from the tree

From: John Stultz <john.stultz@linaro.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: driverdevel <devel@driverdev.osuosl.org>,
	"Christoph Hellwig" <hch@infradead.org>,
	"Android Kernel Team" <kernel-team@android.com>,
	"Todd Kjos" <tkjos@android.com>,
	"Martijn Coenen" <maco@android.com>,
	lkml <linux-kernel@vger.kernel.org>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	"Christian König" <christian.koenig@amd.com>,
	"moderated list:DMA BUFFER SHARING FRAMEWORK"
	<linaro-mm-sig@lists.linaro.org>,
	"Joel Fernandes" <joel@joelfernandes.org>,
	"Arve Hjønnevåg" <arve@android.com>,
	"Suren Baghdasaryan" <surenb@google.com>,
	"Hridya Valsaraju" <hridya@google.com>,
	"Laura Abbott" <laura@labbott.name>,
	"Shuah Khan" <shuah@kernel.org>,
	"Sumit Semwal" <sumit.semwal@linaro.org>,
	"Christian Brauner" <christian@brauner.io>
Subject: Re: [PATCH] staging: ion: remove from the tree
Date: Fri, 16 Oct 2020 11:34:09 -0700	[thread overview]
Message-ID: <CALAqxLWtrnYizdDVAQMqy1JmeZ5jUCko1XKaEtAd0zoV6oj0aQ@mail.gmail.com> (raw)
In-Reply-To: <20201016082945.GA1722359@kroah.com>

On Fri, Oct 16, 2020 at 1:29 AM Greg Kroah-Hartman
<gregkh@linuxfoundation.org> wrote:
>
> On Thu, Aug 27, 2020 at 09:31:27AM -0400, Laura Abbott wrote:
> > On 8/27/20 8:36 AM, Greg Kroah-Hartman wrote:
> > > The ION android code has long been marked to be removed, now that we
> > > dma-buf support merged into the real part of the kernel.
> > >
> > > It was thought that we could wait to remove the ion kernel at a later
> > > time, but as the out-of-tree Android fork of the ion code has diverged
> > > quite a bit, and any Android device using the ion interface uses that
> > > forked version and not this in-tree version, the in-tree copy of the
> > > code is abandonded and not used by anyone.
> > >
> > > Combine this abandoned codebase with the need to make changes to it in
> > > order to keep the kernel building properly, which then causes merge
> > > issues when merging those changes into the out-of-tree Android code, and
> > > you end up with two different groups of people (the in-kernel-tree
> > > developers, and the Android kernel developers) who are both annoyed at
> > > the current situation.  Because of this problem, just drop the in-kernel
> > > copy of the ion code now, as it's not used, and is only causing problems
> > > for everyone involved.
> > >
> > > Cc: "Arve Hjønnevåg" <arve@android.com>
> > > Cc: "Christian König" <christian.koenig@amd.com>
> > > Cc: Christian Brauner <christian@brauner.io>
> > > Cc: Christoph Hellwig <hch@infradead.org>
> > > Cc: Hridya Valsaraju <hridya@google.com>
> > > Cc: Joel Fernandes <joel@joelfernandes.org>
> > > Cc: John Stultz <john.stultz@linaro.org>
> > > Cc: Laura Abbott <laura@labbott.name>
> > > Cc: Martijn Coenen <maco@android.com>
> > > Cc: Shuah Khan <shuah@kernel.org>
> > > Cc: Sumit Semwal <sumit.semwal@linaro.org>
> > > Cc: Suren Baghdasaryan <surenb@google.com>
> > > Cc: Todd Kjos <tkjos@android.com>
> > > Cc: devel@driverdev.osuosl.org
> > > Cc: dri-devel@lists.freedesktop.org
> > > Cc: linaro-mm-sig@lists.linaro.org
> > > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> >
> > We discussed this at the Android MC on Monday and the plan was to
> > remove it after the next LTS release.
>
> As 5.10 will be the next LTS release, I have now merged it to my
> "testing" branch to go into 5.11-rc1.

Sounds great! Thanks so much for waiting a bit on this, I really appreciate it!
-john
_______________________________________________
devel mailing list
devel@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel