On 30/05/2019 18:58, Baodong Chen wrote:
> keyhandler mainly used for debug usage by developers which can dump
> xen module(eg. timer, scheduler) status at runtime by input
> character from console.
>
> Signed-off-by: Baodong Chen <chenbaod...@mxnavi.com>

What is the motivation here?  I don't have a specific objection to
making this configurable (so long as it excises the entire keyhandler
infrastructure, which is rather more than this patch does), but I also
don't see why we would want to do so in the first place.

In particular, it doesn't require a serial console to function correctly
in the first place.  This functionality can be used with `xl debug-keys
$char; xl dmesg`

~Andrew

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