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3 Commits

Author SHA1 Message Date
Guo Zhengkui
f82efe5b9a kselftest/arm64: fix array_size.cocci warning 
Fix the following coccicheck warnings:
tools/testing/selftests/arm64/mte/check_child_memory.c:110:25-26:
WARNING: Use ARRAY_SIZE
tools/testing/selftests/arm64/mte/check_child_memory.c:88:24-25:
WARNING: Use ARRAY_SIZE
tools/testing/selftests/arm64/mte/check_child_memory.c:90:20-21:
WARNING: Use ARRAY_SIZE
tools/testing/selftests/arm64/mte/check_child_memory.c:147:24-25:
WARNING: Use ARRAY_SIZE

`ARRAY_SIZE` macro is defined in tools/testing/selftests/kselftest.h.

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220419032501.22790-1-guozhengkui@vivo.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
 2022-04-28 17:57:13 +01:00
Vincenzo Frascino
386cf789fa kselftest/arm64: Fix check_child_memory test 
The check_child_memory test reports the error below because the test
plan is not declared correctly:

  # Planned tests != run tests (0 != 12)

Fix the test adding the correct test plan declaration.

Fixes: dfe537cf47 ("kselftest/arm64: Check forked child mte memory accessibility")
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/20201026121248.2340-4-vincenzo.frascino@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
 2020-10-28 13:42:23 +00:00
Amit Daniel Kachhap
dfe537cf47 kselftest/arm64: Check forked child mte memory accessibility 
This test covers the mte memory behaviour of the forked process with
different mapping properties and flags. It checks that all bytes of
forked child memory are accessible with the same tag as that of the
parent and memory accessed outside the tag range causes fault to
occur.

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/20201002115630.24683-4-amit.kachhap@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
 2020-10-05 18:52:17 +01:00