CONFIG_ARM_ERRATA_818325_852422 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
ARM errata: A12: some seqs of opposed cond code instrs => deadlock or corruption
configname: CONFIG_ARM_ERRATA_818325_852422
Linux Kernel Configuration
└─>System Type
└─>ARM errata: A12: some seqs of opposed cond code instrs => deadlock or corruption
In linux kernel since version 4.1 (release Date: 2015-06-21)
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.
- 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.