Re: [Xen-devel] [PATCH 10/19] xen: arm: Annotate registers trapped by CPTR_EL2.TTA

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Mon, 2015-04-06 at 13:10 +0200, Julien Grall wrote:
> Hi Ian,
> 
> On 31/03/2015 12:07, Ian Campbell wrote:
> > Add explicit handler for 64-bit CP14 accesses, with more relevant
> > debug message (as per other handlers) and to provide a place for the
> > comment.
> 
> It's a bit strange to name the patch "Annotate..." while the main change 
> is 64-bit CP14 accesses.

I mostly started off annotating things, which lead me to notice things
which are missing. I've retitled to "xen: arm: implement handling of
registers trapped by CPTR_EL2.TTA"

> AFAICT, this was a bug in Xen implementation. Although, I'm not sure if 
> the current platform we support have Trace registers (maybe the Arndale?).

Hrm, good point. I'm not sure really.

Ian.


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