Re: [Xen-devel] [PATCH 30/38] arm: Upgrade guest barriers to Outer-Shareable. Enable Protected Table Walk.

[Tim Deegan <tim@xxxxxxx>]

At 15:39 +0000 on 01 Jun (1338565199), Ian Campbell wrote:
> Upgrading barriers is conservative and may not be necessary.
> 
> Protected Table Walk traps stage 1 page tables which refer to device memory
> (per stage 2) using a non-device mapping. This generally indicates a guest
> error but trapping it as a fault for now helps us know if something odd is
> going on.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Acked-by: Tim Deegan <tim@xxxxxxx>

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