[PATCH] gpu: host1x: Forbid RESTART opcode in the firewall

Erik Faye-Lund kusmabite at gmail.com
Mon May 15 12:06:12 UTC 2017


On Mon, May 15, 2017 at 2:02 PM, Dmitry Osipenko <digetx at gmail.com> wrote:
> The RESTART opcode terminates the gather and restarts the CDMA fetch from
> a specified word << 2 relative to the CDMA start address. That shouldn't
> be allowed to be done by userspace.
>
> Signed-off-by: Dmitry Osipenko <digetx at gmail.com>

Outch, yeah.

Reviewed-by: Erik Faye-Lund <kusmabite at gmail.com>


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