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On failure we log the actual and expected value of the register we detect a mismatch in. For SME one obvious potential source of corruption would be if we had corrupted SVCR since changes in streaming mode will reset the register values, log the value to aid in understanding issues. Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20231205-arm64-kselftest-log-svcr-v1-1-b77abd9ee7f3@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
KSelfTest ARM64 =============== - These tests are arm64 specific and so not built or run but just skipped completely when env-variable ARCH is found to be different than 'arm64' and `uname -m` reports other than 'aarch64'. - Holding true the above, ARM64 KSFT tests can be run within the KSelfTest framework using standard Linux top-level-makefile targets: $ make TARGETS=arm64 kselftest-clean $ make TARGETS=arm64 kselftest or $ make -C tools/testing/selftests TARGETS=arm64 \ INSTALL_PATH=<your-installation-path> install or, alternatively, only specific arm64/ subtargets can be picked: $ make -C tools/testing/selftests TARGETS=arm64 ARM64_SUBTARGETS="tags signal" \ INSTALL_PATH=<your-installation-path> install Further details on building and running KFST can be found in: Documentation/dev-tools/kselftest.rst