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Re: [PATCH] mini-os: support event channel 0 for console



On 06.12.21 14:24, Jan Beulich wrote:
On 06.12.2021 13:46, Juergen Gross wrote:
The console event channel might be 0 for the console, so use the value
of ~0 as invalid instead.

I may be missing something mini-os specific here, but in Xen channel 0
is always invalid. It's not just here that this value would be used as
a sentinel.

This made me look at th domain creation paths again, and it seems as if
the parameter settings for HVM guests is split in an awful way: the
console ring page pfn is set from libxenguest, while the console event
channel is set from libxl only. :-(

This means that this patch can be dropped, while init-xenstore-domain
needs to gain another one.

Thanks for your feedback,


Juergen

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