arm64: cpufeature: List early Cortex-A510 parts as having broken dbm

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Versions of Cortex-A510 before r0p3 are affected by a hardware erratum
where the hardware update of the dirty bit is not correctly ordered.

Add these cpus to the cpu_has_broken_dbm list.

Signed-off-by: James Morse <james.morse@arm.com>
Link: https://lore.kernel.org/r/20220125154040.549272-3-james.morse@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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James Morse 2022-01-25 15:40:40 +00:00 • committed by Catalin Marinas

parent df20597044

commit 297ae1eb23

3 changed files with 15 additions and 0 deletions

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2

Documentation/arm64/silicon-errata.rst

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arch/arm64/Kconfig

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3

arch/arm64/kernel/cpufeature.c

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