On 20/10/2023 11:29 am, David Woodhouse wrote: > On Fri, 2023-10-20 at 11:14 +0100, Andrew Cooper wrote: >> On 19/10/2023 5:21 pm, David Woodhouse wrote: >>> From: David Woodhouse <d...@amazon.co.uk> >>> >>> In shim mode there is no hardware_domain. Dereferencing the pointer >>> doesn't end well. >>> >>> Signed-off-by: David Woodhouse <d...@amazon.co.uk> >>> --- >>> This is about as far as I got in my abortive attempt to use the PV shim >>> without an actual PV console being provided by the HVM hosting >>> environment. It still doesn't pass the guest's console through to >>> serial; that only seems to shim to an actual PV console. >> There's no such thing as a Xen VM without a PV console. > Huh? There are literally millions of them.
I'm very prepared to believe there are millions which don't overtly malfunction when you don't fill in the HVM Params. Which is very different from saying "there's a way in the Xen guest ABI to express 'you don't have a PV console' ". ~Andrew
