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The Linux kernel configuration item CONFIG_ARM64_ERRATUM_2067961
:
(none)
Enable workaround for ARM Neoverse-N2 erratum 2067961
Affected cores may fail to flush the trace data on a TSB instruction, when the PE is in trace prohibited state. This will cause losing a few bytes of the trace cached.
Workaround is to issue two TSB consecutively on affected cores.
If unsure, say Y.
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