Re: [Xen-devel] [PATCH] xen: make keyhanler configurable

[chenbaodong <chenbaodong@xxxxxxxxxx>]

On 6/1/19 06:30, Andrew Cooper wrote:
> 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 <chenbaodong@xxxxxxxxxx>
> 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`
IIUC the config cut nearly the entire keyhandler infrastructure.

I'm interested in arm64 automotive use case, safety certification

is nice to have.

so the smaller code base is preferred.

BTW, i heard the works "dom0less", is it possible run vms over xen 
without xl?
> ~Andrew
> .
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