ARM errata 430973 on multi platform kernels

Ivaylo Dimitrov ivo.g.dimitrov.75 at gmail.com
Fri Apr 3 15:08:16 PDT 2015


Hi

On  3.04.2015 19:35, Sebastian Reichel wrote:
>
> Maybe an option would be to provide two cpu_v7_switch_mm
> implementations (one with the errata and one without). Then
> the system can start with the simple implementation. Once
> the boot as progressed far enough to know, that the hardware
> is affected by the errata, it could switch to the implementation
> with the flushing.

Or rather the opposite, as if the kernel itself is thumb-compiled, it 
most probably will have no chance to progress enough to switch to the 
correct implementation before hanging.
>
> -- Sebastian
>

Ivo



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