tree c070edac0a5e8fe9bab727073dbeb1f72378493c
parent 55b35d070c2534dfb714b883f3c3ae05d02032da
author Jayachandran C <jnair@caviumnetworks.com> 1516364567 -0800
committer Catalin Marinas <catalin.marinas@arm.com> 1516737560 +0000

arm64: Branch predictor hardening for Cavium ThunderX2

Use PSCI based mitigation for speculative execution attacks targeting
the branch predictor. We use the same mechanism as the one used for
Cortex-A CPUs, we expect the PSCI version call to have a side effect
of clearing the BTBs.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Jayachandran C <jnair@caviumnetworks.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>