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mappings
While the kselftest was added at the same time with the kernel support
for MTE on hugetlb mappings, the tests may be run on older kernels. Skip
the tests if PROT_MTE is not supported on MAP_HUGETLB mappings.
Fixes: 27879e8cb6b0 ("selftests: arm64: add hugetlb mte tests")
Cc: Yang Shi <yang@os.amperecomputing.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Yang Shi <yang@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20250221093331.2184245-3-catalin.marinas@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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check_hugetlb_options.c
The architecture doesn't define precise/imprecise MTE tag check modes,
only synchronous and asynchronous. Use the correct naming and also
ensure they match the MTE_{ASYNC,SYNC}_ERR type.
Fixes: 27879e8cb6b0 ("selftests: arm64: add hugetlb mte tests")
Cc: Yang Shi <yang@os.amperecomputing.com>
Reviewed-by: Yang Shi <yang@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20250221093331.2184245-2-catalin.marinas@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The tests cover mmap, mprotect hugetlb with MTE prot and COW.
Signed-off-by: Yang Shi <yang@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20241001225220.271178-2-yang@os.amperecomputing.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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