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SubjectRe: [PATCHv3 1/1] [tools/selftests]: android/ion: userspace test utility for ion buffer sharing
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On 10/14/2017 05:36 AM, Pintu Agarwal wrote:
> This is a test utility to verify ION buffer sharing in user space
> between 2 independent processes.
> It uses unix domain socket (with SCM_RIGHTS) as IPC to transfer an FD to
> another process to share the same buffer.
> This utility demonstrates how ION buffer sharing can be implemented between
> two user space processes, using various heap types.
>
> This utility is made to be run as part of kselftest framework in kernel.
> The utility is verified on Ubuntu-32 bit system with Linux Kernel 4.14,
> using ION system heap and CMA heap.
>
> For more information about the utility please check the README file.
>
> Signed-off-by: Pintu Agarwal <pintu.ping@gmail.com>
> ---
> tools/testing/selftests/Makefile | 3 +-
> tools/testing/selftests/android/Makefile | 44 ++++
> tools/testing/selftests/android/ion/.gitignore | 2 +
> tools/testing/selftests/android/ion/Makefile | 16 ++
> tools/testing/selftests/android/ion/README | 132 +++++++++++
> tools/testing/selftests/android/ion/config | 3 +
> tools/testing/selftests/android/ion/ion_test.sh | 61 +++++
> .../testing/selftests/android/ion/ionapp_export.c | 151 ++++++++++++
> .../testing/selftests/android/ion/ionapp_import.c | 88 +++++++
> tools/testing/selftests/android/ion/ionutils.c | 259 +++++++++++++++++++++
> tools/testing/selftests/android/ion/ionutils.h | 55 +++++
> tools/testing/selftests/android/ion/ipcsocket.c | 227 ++++++++++++++++++
> tools/testing/selftests/android/ion/ipcsocket.h | 35 +++
> tools/testing/selftests/android/run.sh | 3 +
> 14 files changed, 1078 insertions(+), 1 deletion(-)
> create mode 100644 tools/testing/selftests/android/Makefile
> create mode 100644 tools/testing/selftests/android/ion/.gitignore
> create mode 100644 tools/testing/selftests/android/ion/Makefile
> create mode 100644 tools/testing/selftests/android/ion/README
> create mode 100644 tools/testing/selftests/android/ion/config
> create mode 100755 tools/testing/selftests/android/ion/ion_test.sh
> create mode 100644 tools/testing/selftests/android/ion/ionapp_export.c
> create mode 100644 tools/testing/selftests/android/ion/ionapp_import.c
> create mode 100644 tools/testing/selftests/android/ion/ionutils.c
> create mode 100644 tools/testing/selftests/android/ion/ionutils.h
> create mode 100644 tools/testing/selftests/android/ion/ipcsocket.c
> create mode 100644 tools/testing/selftests/android/ion/ipcsocket.h
> create mode 100755 tools/testing/selftests/android/run.sh
>

Looks good to me. I am hoping you were able to verify that the following
use-cases work:

make kselftest
make O=dir kselftest

I plan to get this into 4.15-rc1

thanks,
-- Shuah

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