Re: [PATCH v5 06/15] ARM: spectre-v2: harden branch predictor on context switches

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On Tue, 29 May 2018 15:54:39 +0100,
Russell King wrote:
> 
> Harden the branch predictor against Spectre v2 attacks on context
> switches for ARMv7 and later CPUs.  We do this by:
> 
> Cortex A9, A12, A17, A73, A75: invalidating the BTB.
> Cortex A15, Brahma B15: invalidating the instruction cache.
> 
> Cortex A57 and Cortex A72 are not addressed in this patch.
> 
> Cortex R7 and Cortex R8 are also not addressed as we do not enforce
> memory protection on these cores.
> 
> Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
> Boot-tested-by: Tony Lindgren <tony@xxxxxxxxxxx>
> Reviewed-by: Tony Lindgren <tony@xxxxxxxxxxx>

Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>

	M.

-- 
Jazz is not dead, it just smell funny.
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