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When printing the value of a pointer, we should not use an integer
format specifier, but the dedicated "%p" instead.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240816153251.2833702-8-andre.przywara@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Use ARRAY_SIZE to fix the following coccicheck warnings:
tools/testing/selftests/arm64/mte/check_buffer_fill.c:341:20-21:
WARNING: Use ARRAY_SIZE
tools/testing/selftests/arm64/mte/check_buffer_fill.c:35:20-21:
WARNING: Use ARRAY_SIZE
tools/testing/selftests/arm64/mte/check_buffer_fill.c:168:20-21:
WARNING: Use ARRAY_SIZE
tools/testing/selftests/arm64/mte/check_buffer_fill.c:72:20-21:
WARNING: Use ARRAY_SIZE
tools/testing/selftests/arm64/mte/check_buffer_fill.c:369:25-26:
WARNING: Use ARRAY_SIZE
Signed-off-by: Kang Minchul <tegongkang@gmail.com>
Link: https://lore.kernel.org/r/20221105073143.78521-1-tegongkang@gmail.com
Signed-off-by: Will Deacon <will@kernel.org>
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Fix the following coccicheck warning:
./tools/testing/selftests/arm64/mte/check_buffer_fill.c:84:12-35:
WARNING: Comparison to bool
Signed-off-by: YANG LI <abaci-bugfix@linux.alibaba.com>
Reported-by: Abaci Robot<abaci@linux.alibaba.com>
Link: https://lore.kernel.org/r/1610357737-68678-1-git-send-email-abaci-bugfix@linux.alibaba.com
Signed-off-by: Will Deacon <will@kernel.org>
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The check_buffer_fill test reports the error below because the test
plan is not declared correctly:
# Planned tests != run tests (0 != 20)
Fix the test adding the correct test plan declaration.
Fixes: e9b60476bea0 ("kselftest/arm64: Add utilities and a test to validate mte memory")
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Gabor Kertesz <gabor.kertesz@arm.com>
Cc: Amit Daniel Kachhap <amit.kachhap@arm.com>
Link: https://lore.kernel.org/r/20201026121248.2340-2-vincenzo.frascino@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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This test checks that the memory tag is present after mte allocation and
the memory is accessible with those tags. This testcase verifies all
sync, async and none mte error reporting mode. The allocated mte buffers
are verified for Allocated range (no error expected while accessing
buffer), Underflow range, and Overflow range.
Different test scenarios covered here are,
* Verify that mte memory are accessible at byte/block level.
* Force underflow and overflow to occur and check the data consistency.
* Check to/from between tagged and untagged memory.
* Check that initial allocated memory to have 0 tag.
This change also creates the necessary infrastructure to add mte test
cases. MTE kselftests can use the several utility functions provided here
to add wide variety of mte test scenarios.
GCC compiler need flag '-march=armv8.5-a+memtag' so those flags are
verified before compilation.
The mte testcases can be launched with kselftest framework as,
make TARGETS=arm64 ARM64_SUBTARGETS=mte kselftest
or compiled as,
make -C tools/testing/selftests TARGETS=arm64 ARM64_SUBTARGETS=mte CC='compiler'
Co-developed-by: Gabor Kertesz <gabor.kertesz@arm.com>
Signed-off-by: Gabor Kertesz <gabor.kertesz@arm.com>
Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com>
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20201002115630.24683-2-amit.kachhap@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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