On Fri, 19 Jan 2018, Julien Grall wrote:
> In order to avoid aliasing attacks against the branch predictor on
> Cortex A-15, let's invalidate the BTB on guest exit, which can only be
> done by invalidating the icache (with ACTLR[0] being set).
>
> We use the same hack as for A12/A17 to perform
In order to avoid aliasing attacks against the branch predictor on
Cortex A-15, let's invalidate the BTB on guest exit, which can only be
done by invalidating the icache (with ACTLR[0] being set).
We use the same hack as for A12/A17 to perform the vector decoding.
This is based on Linux patch
