[Xen-devel] Re: [Qemu-devel] [PATCH V10 06/15] xen: Add the Xen platform pci device

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

On 02/25/2011 10:58 AM, Ian Campbell wrote:
> >  Or it should just go away.  Guests can already write to 0xe9 and see
> >  the output on the host's "xm dmesg" ring and serial console.
>
> Only true if you have configured the guest log level to include debug
> messages.
If you can recompile QEMU to add DEBUG_PLATFORM, you can usually do that 
too.  To avoid recompilation, rather than a chardev it would be even 
better to keep it as a trace event.
Paolo

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