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Cortex-A55 erratum 1530923 allows TLB entries to be allocated as a result of a speculative AT instruction. This may happen in the middle of a guest world switch while the relevant VMSA configuration is in an inconsistent state, leading to erroneous content being allocated into TLBs. The same workaround as is used for Cortex-A76 erratum 1165522 (WORKAROUND_SPECULATIVE_AT_VHE) can be used here. Note that this mandates the use of VHE on affected parts. Acked-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Steven Price <steven.price@arm.com> Signed-off-by: Will Deacon <will@kernel.org> |
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boot | ||
configs | ||
crypto | ||
include | ||
kernel | ||
kvm | ||
lib | ||
mm | ||
net | ||
xen | ||
Kbuild | ||
Kconfig | ||
Kconfig.debug | ||
Kconfig.platforms | ||
Makefile |