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| /openbmc/linux/tools/testing/selftests/arm64/abi/ |
| H A D | hwcap.c | 82e7882b Tue Aug 08 08:40:36 CDT 2023 Zeng Heng <zengheng4@huawei.com> kselftest/arm64: add lse and lse2 features to hwcap test
Add the LSE and various features check in the set of hwcap tests.
As stated in the ARM manual, the LSE2 feature allows for atomic access
to unaligned memory. Therefore, for processors that only have the LSE
feature, we register .sigbus_fn to test their ability to perform
unaligned access.
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230808134036.668954-6-zengheng4@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
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