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The Linux kernel configuration item CONFIG_ARM64_ERRATUM_1024718
:
(none)
This option adds work around for Arm Cortex-A55 Erratum 1024718.
Affected Cortex-A55 cores (r0p0, r0p1, r1p0) could cause incorrect update of the hardware dirty bit when the DBM/AP bits are updated without a break-before-make. The work around is to disable the usage of hardware DBM locally on the affected cores. CPUs not affected by erratum will continue to use the feature.
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