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.p...@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
