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(parent: 4c419ac) | patch
arm64: cpufeature: List early Cortex-A510 parts as having broken dbm
authorJames Morse <james.morse@arm.com>
Tue, 25 Jan 2022 15:40:40 +0000 (15:40 +0000)
committerCatalin Marinas <catalin.marinas@arm.com>
Fri, 28 Jan 2022 16:15:46 +0000 (16:15 +0000)
commit69d67fb0117c701cc36f3584ad0ff7e928d1ba7f
tree7f6edeaec2128b014116e953b0b96b6bf0802900tree | snapshot
parent4c419ac87318f5c2c6853e7b2f95b454d3092750commit | diff
arm64: cpufeature: List early Cortex-A510 parts as having broken dbm

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>
Documentation/arm64/silicon-errata.rst diff | blob | history
arch/arm64/Kconfig diff | blob | history
arch/arm64/kernel/cpufeature.c diff | blob | history
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