Re: [Xen-devel] [PATCH V2 0/4] arm: per-PCPU pagetables

[Tim Deegan <tim@xxxxxxx>]

At 11:19 +0100 on 23 Apr (1366715977), Ian Campbell wrote:
> Sengul Thomas observed that Xen was updating the domheap mappings
> without a lock and that this caused problems on SMP systems.
> 
> The underlying problem here is that the domheap mappings are supposed to
> be per-PCPU but were not, instead all PCPUs are currently sharing the
> same pagetables and therefore using the same mappings.
> 
> Implement per-PCPU page tables and give each PCPU its own domheap
> mapping pages.

1, 2 and 4: Acked-by: Tim Deegan <tim@xxxxxxx>

Tim.

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