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The Linux kernel configuration item CONFIG_ARM_ERRATA_818325_852422
:
CONFIG_CPU_V7
This option enables the workaround for: - Cortex-A12 818325: Execution of an UNPREDICTABLE STR or STM instruction might deadlock. Fixed in r0p1. - Cortex-A12 852422: Execution of a sequence of instructions might lead to either a data corruption or a CPU deadlock. Not fixed in any Cortex-A12 cores yet. This workaround for all both errata involves setting bit[12] of the Feature Register. This bit disables an optimisation applied to a sequence of 2 instructions that use opposing condition codes.
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