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authorAndrew Scull <ascull@google.com>2020-05-04 10:48:58 +0100
committerWill Deacon <will@kernel.org>2020-05-04 16:05:47 +0100
commit02ab1f5018c3ad0b8677e797b5d3333d2e3b7f20 (patch)
treed13b794b9d3f33272bcf5744f611a83328e24613 /arch/arm64/kernel/pci.c
parent6a8b55ed4056ea5559ebe4f6a4b247f627870d4c (diff)
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arm64: Unify WORKAROUND_SPECULATIVE_AT_{NVHE,VHE}
Errata 1165522, 1319367 and 1530923 each allow TLB entries to be allocated as a result of a speculative AT instruction. In order to avoid mandating VHE on certain affected CPUs, apply the workaround to both the nVHE and the VHE case for all affected CPUs. Signed-off-by: Andrew Scull <ascull@google.com> Acked-by: Will Deacon <will@kernel.org> CC: Marc Zyngier <maz@kernel.org> CC: James Morse <james.morse@arm.com> CC: Suzuki K Poulose <suzuki.poulose@arm.com> CC: Will Deacon <will@kernel.org> CC: Steven Price <steven.price@arm.com> Link: https://lore.kernel.org/r/20200504094858.108917-1-ascull@google.com Signed-off-by: Will Deacon <will@kernel.org>
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