Re: [Xen-devel] [PATCH v2] xen/arm: create_xen_entries has to flush TLBs on every CPU

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2014-04-23 at 12:36 +0100, Julien Grall wrote:
> The function create_xen_entries creates mappings in second-level page tables
> which is shared between every CPU.
> 
> Only flushing TLBs on local processor may result to wrong behaviour
> when io{re,un}map is used.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

Acked + applied.

> ---
> 
> This patch is candidate to be backported to Xen 4.4.

Noted. I think you said this would need some backporting? Given that I'm
inclined to hold off on backporting this until someone who is using 4.4
and tripping over the issue reports/requests it.



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