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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>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20200827123627.538189-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Update custom install rule to install all generated test programs. This
fixes android/ion tests to be installed correctly.
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit b2d35fa5fc80 ("selftests: add headers_install to lib.mk") added
khdr target to run headers_install target from the main Makefile. The
logic uses KSFT_KHDR_INSTALL and top_srcdir as controls to initialize
variables and include files to run headers_install from the top level
Makefile. There are a few problems with this logic.
1. Exposes top_srcdir to all tests
2. Common logic impacts all tests
3. Uses KSFT_KHDR_INSTALL, top_srcdir, and khdr in an adhoc way. Tests
add "khdr" dependency in their Makefiles to TEST_PROGS_EXTENDED in
some cases, and STATIC_LIBS in other cases. This makes this framework
confusing to use.
The common logic that runs for all tests even when KSFT_KHDR_INSTALL
isn't defined by the test. top_srcdir is initialized to a default value
when test doesn't initialize it. It works for all tests without a sub-dir
structure and tests with sub-dir structure fail to build.
e.g: make -C sparc64/drivers/ or make -C drivers/dma-buf
../../lib.mk:20: ../../../../scripts/subarch.include: No such file or directory
make: *** No rule to make target '../../../../scripts/subarch.include'. Stop.
There is no reason to require all tests to define top_srcdir and there is
no need to require tests to add khdr dependency using adhoc changes to
TEST_* and other variables.
Fix it with a consistent use of KSFT_KHDR_INSTALL and top_srcdir from tests
that have the dependency on headers_install.
Change common logic to include khdr target define and "all" target with
dependency on khdr when KSFT_KHDR_INSTALL is defined.
Only tests that have dependency on headers_install have to define just
the KSFT_KHDR_INSTALL, and top_srcdir variables and there is no need to
specify khdr dependency in the test Makefiles.
Fixes: b2d35fa5fc80 ("selftests: add headers_install to lib.mk")
Cc: stable@vger.kernel.org
Signed-off-by: Shuah Khan <shuah@kernel.org>
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If the kernel headers aren't installed we can't build all the tests.
Add a new make target rule 'khdr' in the file lib.mk to generate the
kernel headers and that gets include for every test-dir Makefile that
includes lib.mk If the testdir in turn have its own sub-dirs the
top_srcdir needs to be set to the linux-rootdir to be able to generate
the kernel headers.
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Reviewed-by: Fathi Boudra <fathi.boudra@linaro.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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Delete RUN_TESTS and EMIT_TESTS overrides and use common defines in
lib.mk. Common defines work just fine and there is no need to define
custom overrides.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
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The Makefile lacks a couple of line continuation backslashes
in an `if' clause, which can make the subsequent rsync
command go awry over the whole filesystem (`rsync -a / /`).
/bin/sh: -c: line 5: syntax error: unexpected end of file
make[1]: [all] Error 1 (ignored)
TEST=$DIR"_test.sh"; \
if [ -e $DIR/$TEST ]; then
/bin/sh: -c: line 2: syntax error: unexpected end of file
make[1]: [all] Error 1 (ignored)
rsync -a $DIR/$TEST $BUILD_TARGET/;
[...a myriad of:]
[ rsync: readlink_stat("...") failed: Permission denied (13)]
[ skipping non-regular file "..."]
[ rsync: opendir "..." failed: Permission denied (13)]
[and many other errors...]
fi
make[1]: fi: Command not found
make[1]: [all] Error 127 (ignored)
done
make[1]: done: Command not found
make[1]: [all] Error 127 (ignored)
Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org>
Acked-by: Pintu Agarwal <pintu.ping@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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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.
For more information about the utility please check the README file.
Signed-off-by: Pintu Agarwal <pintu.ping@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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