kselftest/arm64: Fix syscall-abi for systems without 128 bit SME

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[ Upstream commit 97ec597b26 ]

SME does not mandate any specific VL so we may not have 128 bit SME but
the algorithm used for enumerating VLs assumes that we will. Add the
required check to ensure that the algorithm terminates.

Fixes: 43e3f85523 ("kselftest/arm64: Add SME support to syscall ABI test")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221223-arm64-syscall-abi-sme-only-v1-1-4fabfbd62087@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Mark Brown 2022-12-27 13:06:35 +00:00 • committed by Greg Kroah-Hartman

parent c5721ba0f2

commit 3bfadfd8b6

1 changed files with 8 additions and 0 deletions

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tools/testing/selftests/arm64/abi/syscall-abi.c

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