Re: [Qemu-devel] [PATCH v3 1/4] cpus: Define NMI callback

[Peter Maydell]

On 10 June 2014 19:09, Alexander Graf <address@hidden> wrote:
> I agree. I see two different paths forward:
>
>   1) Use the patches as they are - they seem pretty sound and take the
> existing x86/s390 only feature to spapr
>   2) Model an "NMI" button. That button would get instantiated by the
> machine model. That would allow the wiring to be defined by the board.
> Monitor / QMP would only "press" that button (trigger an edge interrupt?
> call a function? something).
>
>
> I don't mind much either way - option 2 is the architecturally correct way
> of doing this. Option 1 probably won't hurt us either.

In an ideal world I'd like (2), ie actually model front panel switches
per machine and with whatever the machine's behaviour actually
is. However pragmatically speaking that's an awful lot of work
(especially since it basically requires adding a lot of U/I which is
always controversial and hard to drive through). I think pragmatism
should probably win here.

-- PMM