[PATCH v2 0/6] ARM branch predictor hardening

[Nishanth Menon]

On 01/08/2018 12:55 PM, Marc Zyngier wrote:
[...]
> These patches are closely modelled against what we do on arm64,
> although simpler as we can rely on an architected instruction to
> perform the invalidation. The notable exception is Cortex-A15, where
> BTB invalidation behaves like a NOP, and the only way to shoot the
> predictor down is to invalidate the icache *and* to have ACTLR[0] set
> to 1 (which is a secure-only operation).

On u-boot side, we'd probably have to work off ->
http://git.denx.de/?p=u-boot.git;a=commitdiff;h=a615d0be6a73fc48a22e5662608260fe9b9149ff


[...]

-- 
Regards,
Nishanth Menon