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Message-ID: <6be71d12-1335-e53a-72ed-bd4392f20394@linuxfoundation.org>
Date: Thu, 27 Aug 2020 10:44:34 -0600
From: Shuah Khan <skhan@...uxfoundation.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
laura@...bott.name, sumit.semwal@...aro.org, john.stultz@...aro.org
Cc: linux-kernel@...r.kernel.org, kernel-team@...roid.com,
Arve Hjønnevåg <arve@...roid.com>,
Christian König <christian.koenig@....com>,
Christian Brauner <christian@...uner.io>,
Christoph Hellwig <hch@...radead.org>,
Hridya Valsaraju <hridya@...gle.com>,
Joel Fernandes <joel@...lfernandes.org>,
Martijn Coenen <maco@...roid.com>,
Shuah Khan <shuah@...nel.org>,
Suren Baghdasaryan <surenb@...gle.com>,
Todd Kjos <tkjos@...roid.com>, devel@...verdev.osuosl.org,
dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org,
Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH] staging: ion: remove from the tree
On 8/27/20 6:36 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@...roid.com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: Christian Brauner <christian@...uner.io>
> Cc: Christoph Hellwig <hch@...radead.org>
> Cc: Hridya Valsaraju <hridya@...gle.com>
> Cc: Joel Fernandes <joel@...lfernandes.org>
> Cc: John Stultz <john.stultz@...aro.org>
> Cc: Laura Abbott <laura@...bott.name>
> Cc: Martijn Coenen <maco@...roid.com>
> Cc: Shuah Khan <shuah@...nel.org>
> Cc: Sumit Semwal <sumit.semwal@...aro.org>
> Cc: Suren Baghdasaryan <surenb@...gle.com>
> Cc: Todd Kjos <tkjos@...roid.com>
> Cc: devel@...verdev.osuosl.org
> Cc: dri-devel@...ts.freedesktop.org
> Cc: linaro-mm-sig@...ts.linaro.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
> MAINTAINERS | 10 -
> drivers/staging/android/Kconfig | 2 -
> drivers/staging/android/Makefile | 2 -
> drivers/staging/android/TODO | 5 -
> drivers/staging/android/ion/Kconfig | 27 -
> drivers/staging/android/ion/Makefile | 4 -
> drivers/staging/android/ion/ion.c | 649 ------------------
> drivers/staging/android/ion/ion.h | 302 --------
> drivers/staging/android/ion/ion_cma_heap.c | 138 ----
> drivers/staging/android/ion/ion_heap.c | 286 --------
> drivers/staging/android/ion/ion_page_pool.c | 155 -----
> drivers/staging/android/ion/ion_system_heap.c | 377 ----------
> drivers/staging/android/uapi/ion.h | 127 ----
> tools/testing/selftests/Makefile | 3 +-
> tools/testing/selftests/android/Makefile | 39 --
> tools/testing/selftests/android/config | 5 -
> .../testing/selftests/android/ion/.gitignore | 4 -
> tools/testing/selftests/android/ion/Makefile | 20 -
> tools/testing/selftests/android/ion/README | 101 ---
> tools/testing/selftests/android/ion/ion.h | 134 ----
> .../testing/selftests/android/ion/ion_test.sh | 58 --
> .../selftests/android/ion/ionapp_export.c | 127 ----
> .../selftests/android/ion/ionapp_import.c | 79 ---
> .../selftests/android/ion/ionmap_test.c | 136 ----
> .../testing/selftests/android/ion/ionutils.c | 253 -------
> .../testing/selftests/android/ion/ionutils.h | 55 --
> .../testing/selftests/android/ion/ipcsocket.c | 227 ------
> .../testing/selftests/android/ion/ipcsocket.h | 35 -
> tools/testing/selftests/android/run.sh | 3 -
> 29 files changed, 1 insertion(+), 3362 deletions(-)
> delete mode 100644 drivers/staging/android/ion/Kconfig
> delete mode 100644 drivers/staging/android/ion/Makefile
> delete mode 100644 drivers/staging/android/ion/ion.c
> delete mode 100644 drivers/staging/android/ion/ion.h
> delete mode 100644 drivers/staging/android/ion/ion_cma_heap.c
> delete mode 100644 drivers/staging/android/ion/ion_heap.c
> delete mode 100644 drivers/staging/android/ion/ion_page_pool.c
> delete mode 100644 drivers/staging/android/ion/ion_system_heap.c
> delete mode 100644 drivers/staging/android/uapi/ion.h
> delete mode 100644 tools/testing/selftests/android/Makefile
> delete mode 100644 tools/testing/selftests/android/config
> delete mode 100644 tools/testing/selftests/android/ion/.gitignore
> delete mode 100644 tools/testing/selftests/android/ion/Makefile
> delete mode 100644 tools/testing/selftests/android/ion/README
> delete mode 100644 tools/testing/selftests/android/ion/ion.h
> delete mode 100755 tools/testing/selftests/android/ion/ion_test.sh
> delete mode 100644 tools/testing/selftests/android/ion/ionapp_export.c
> delete mode 100644 tools/testing/selftests/android/ion/ionapp_import.c
> delete mode 100644 tools/testing/selftests/android/ion/ionmap_test.c
> delete mode 100644 tools/testing/selftests/android/ion/ionutils.c
> delete mode 100644 tools/testing/selftests/android/ion/ionutils.h
> delete mode 100644 tools/testing/selftests/android/ion/ipcsocket.c
> delete mode 100644 tools/testing/selftests/android/ion/ipcsocket.h
> delete mode 100755 tools/testing/selftests/android/run.sh
>
>
For selftest changes in this patch:
Acked-by: Shuah Khan <skhan@...uxfoundation.org>
thanks,
-- Shuah
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