Re: [Xen-devel] [PATCH v2] xen/arm: Add some useful debug in coprocessor trapping

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2014-06-19 at 15:09 +0100, Julien Grall wrote:
> XSA-93 adds a couple of new functions to trap coprocessor registers. They
> unconditionally inject an undefined instruction to guest.
> 
> When debugging an OS at early stage, it may be hard to know why the guest
> received an UNDEFINED. Add some debug message to help the developer when Xen
> is built in debug mode.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

Acked + applied.




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